I can't not upgrade to >2.116 because jetty response time is unacceptable. I got this:

      WARNING: Caught exception evaluating: h.filterDescriptors(it,attrs.descriptors) in /configure. Reason: java.lang.NullPointerException: Descriptor list is null for context 'class hudson.model.Hudson' in thread 'Handling GET /configure from 10.20.0.5 : RequestHandlerThread21 Jenkins/configure.jelly GlobalLibraries/config.jelly LibraryConfiguration/config.jelly SCMRetriever/DescriptorImpl/config.jelly MultiSCM/DescriptorImpl/config.jelly'
      java.lang.NullPointerException: Descriptor list is null for context 'class hudson.model.Hudson' in thread 'Handling GET /configure from 10.20.0.5 : RequestHandlerThread21 Jenkins/configure.jelly GlobalLibraries/config.jelly LibraryConfiguration/config.jelly SCMRetriever/DescriptorImpl/config.jelly MultiSCM/DescriptorImpl/config.jelly'
      at hudson.model.DescriptorVisibilityFilter.apply(DescriptorVisibilityFilter.java:73)
      at hudson.Functions.filterDescriptors(Functions.java:1888)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:498)
      at org.apache.commons.jexl.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:258)
      at org.apache.commons.jexl.parser.ASTMethod.execute(ASTMethod.java:104)
      at org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java:83)
      at org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:57)
      at org.apache.commons.jexl.parser.ASTReferenceExpression.value(ASTReferenceExpression.java:51)
      at org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:80)
      at hudson.ExpressionFactory2$JexlExpression.evaluate(ExpressionFactory2.java:74)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$3.run(CoreTagLibrary.java:134)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
      at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
      at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
      at org.apache.commons.jelly.tags.core.WhenTag.doTag(WhenTag.java:46)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
      at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
      at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
      at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
      at org.apache.commons.jelly.tags.core.WhenTag.doTag(WhenTag.java:46)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
      at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
      at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.ScopeTag.doTag(ScopeTag.java:37)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
      at org.apache.commons.jelly.tags.core.WhenTag.doTag(WhenTag.java:46)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
      at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
      at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
      at org.apache.commons.jelly.tags.core.OtherwiseTag.doTag(OtherwiseTag.java:41)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
      at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
      at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
      at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
      at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
      at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
      at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
      at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
      at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:63)
      at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:53)
      at org.kohsuke.stapler.jelly.JellyFacet$1.dispatch(JellyFacet.java:97)
      at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:734)
      at org.kohsuke.stapler.Stapler.invoke(Stapler.java:864)
      at org.kohsuke.stapler.Stapler.invoke(Stapler.java:668)
      at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
      at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865)
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655)
      at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
      at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:237)
      at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:214)
      at net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:88)
      at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:114)
      at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
      at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:59)
      at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
      at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:157)
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
      at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:105)
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
      at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
      at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
      at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      at jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
      at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
      at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
      at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
      at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      at jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
      at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
      at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:67)
      at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:90)
      at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171)
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
      at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
      at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
      at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
      at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
      at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
      at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
      at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
      at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
      at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
      at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
      at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1317)
      at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
      at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
      at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
      at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
      at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1219)
      at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
      at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
      at org.eclipse.jetty.server.Server.handle(Server.java:531)
      at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352)
      at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
      at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281)
      at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
      at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
      at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
      at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
      at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
      at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
      at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
      at winstone.BoundedExecutorService.lambda$scheduleNext$0(BoundedExecutorService.java:80)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      at java.lang.Thread.run(Thread.java:748)

          [JENKINS-52654] slowness after 2.116+

          Balint Szigeti created issue -
          Balint Szigeti made changes -
          Description Original: WARNING: Caught exception evaluating: h.filterDescriptors(it,attrs.descriptors) in /configure. Reason: java.lang.NullPointerException: Descriptor list is null for context 'class hudson.model.Hudson' in thread 'Handling GET /configure from 10.20.0.5 : RequestHandlerThread[#21] Jenkins/configure.jelly GlobalLibraries/config.jelly LibraryConfiguration/config.jelly SCMRetriever/DescriptorImpl/config.jelly MultiSCM/DescriptorImpl/config.jelly'
          java.lang.NullPointerException: Descriptor list is null for context 'class hudson.model.Hudson' in thread 'Handling GET /configure from 10.20.0.5 : RequestHandlerThread[#21] Jenkins/configure.jelly GlobalLibraries/config.jelly LibraryConfiguration/config.jelly SCMRetriever/DescriptorImpl/config.jelly MultiSCM/DescriptorImpl/config.jelly'
           at hudson.model.DescriptorVisibilityFilter.apply(DescriptorVisibilityFilter.java:73)
           at hudson.Functions.filterDescriptors(Functions.java:1888)
           at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
           at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
           at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
           at java.lang.reflect.Method.invoke(Method.java:498)
           at org.apache.commons.jexl.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:258)
           at org.apache.commons.jexl.parser.ASTMethod.execute(ASTMethod.java:104)
           at org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java:83)
           at org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:57)
           at org.apache.commons.jexl.parser.ASTReferenceExpression.value(ASTReferenceExpression.java:51)
           at org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:80)
           at hudson.ExpressionFactory2$JexlExpression.evaluate(ExpressionFactory2.java:74)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$3.run(CoreTagLibrary.java:134)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
           at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.WhenTag.doTag(WhenTag.java:46)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
           at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.WhenTag.doTag(WhenTag.java:46)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
           at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.ScopeTag.doTag(ScopeTag.java:37)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.WhenTag.doTag(WhenTag.java:46)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
           at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.OtherwiseTag.doTag(OtherwiseTag.java:41)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
           at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:63)
           at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:53)
           at org.kohsuke.stapler.jelly.JellyFacet$1.dispatch(JellyFacet.java:97)
           at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:734)
           at org.kohsuke.stapler.Stapler.invoke(Stapler.java:864)
           at org.kohsuke.stapler.Stapler.invoke(Stapler.java:668)
           at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
           at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
           at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655)
           at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
           at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:237)
           at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:214)
           at net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:88)
           at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:114)
           at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
           at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:59)
           at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
           at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:157)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
           at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:105)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
           at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
           at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:67)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:90)
           at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
           at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
           at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
           at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
           at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
           at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
           at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
           at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
           at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
           at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
           at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
           at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1317)
           at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
           at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
           at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
           at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
           at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1219)
           at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
           at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
           at org.eclipse.jetty.server.Server.handle(Server.java:531)
           at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352)
           at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
           at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281)
           at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
           at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
           at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
           at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
           at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
           at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
           at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
           at winstone.BoundedExecutorService.lambda$scheduleNext$0(BoundedExecutorService.java:80)
           at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
           at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
           at java.lang.Thread.run(Thread.java:748)
          New: I can't not upgrade to >2.116 because jetty response time is unacceptable. I got this:

          WARNING: Caught exception evaluating: h.filterDescriptors(it,attrs.descriptors) in /configure. Reason: java.lang.NullPointerException: Descriptor list is null for context 'class hudson.model.Hudson' in thread 'Handling GET /configure from 10.20.0.5 : RequestHandlerThread[#21] Jenkins/configure.jelly GlobalLibraries/config.jelly LibraryConfiguration/config.jelly SCMRetriever/DescriptorImpl/config.jelly MultiSCM/DescriptorImpl/config.jelly'
           java.lang.NullPointerException: Descriptor list is null for context 'class hudson.model.Hudson' in thread 'Handling GET /configure from 10.20.0.5 : RequestHandlerThread[#21] Jenkins/configure.jelly GlobalLibraries/config.jelly LibraryConfiguration/config.jelly SCMRetriever/DescriptorImpl/config.jelly MultiSCM/DescriptorImpl/config.jelly'
           at hudson.model.DescriptorVisibilityFilter.apply(DescriptorVisibilityFilter.java:73)
           at hudson.Functions.filterDescriptors(Functions.java:1888)
           at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
           at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
           at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
           at java.lang.reflect.Method.invoke(Method.java:498)
           at org.apache.commons.jexl.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:258)
           at org.apache.commons.jexl.parser.ASTMethod.execute(ASTMethod.java:104)
           at org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java:83)
           at org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:57)
           at org.apache.commons.jexl.parser.ASTReferenceExpression.value(ASTReferenceExpression.java:51)
           at org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:80)
           at hudson.ExpressionFactory2$JexlExpression.evaluate(ExpressionFactory2.java:74)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$3.run(CoreTagLibrary.java:134)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
           at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.WhenTag.doTag(WhenTag.java:46)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
           at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.WhenTag.doTag(WhenTag.java:46)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
           at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.ScopeTag.doTag(ScopeTag.java:37)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.WhenTag.doTag(WhenTag.java:46)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
           at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.OtherwiseTag.doTag(OtherwiseTag.java:41)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
           at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)
           at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
           at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
           at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
           at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
           at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
           at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:63)
           at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:53)
           at org.kohsuke.stapler.jelly.JellyFacet$1.dispatch(JellyFacet.java:97)
           at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:734)
           at org.kohsuke.stapler.Stapler.invoke(Stapler.java:864)
           at org.kohsuke.stapler.Stapler.invoke(Stapler.java:668)
           at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
           at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
           at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655)
           at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
           at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:237)
           at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:214)
           at net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:88)
           at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:114)
           at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
           at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:59)
           at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
           at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:157)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
           at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:105)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
           at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
           at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:67)
           at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
           at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:90)
           at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
           at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
           at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
           at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
           at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
           at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
           at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
           at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
           at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
           at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
           at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
           at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
           at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1317)
           at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
           at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
           at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
           at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
           at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1219)
           at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
           at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
           at org.eclipse.jetty.server.Server.handle(Server.java:531)
           at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352)
           at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
           at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281)
           at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
           at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
           at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
           at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
           at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
           at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
           at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
           at winstone.BoundedExecutorService.lambda$scheduleNext$0(BoundedExecutorService.java:80)
           at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
           at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
           at java.lang.Thread.run(Thread.java:748)
          Oleg Nenashev made changes -
          Component/s New: winstone-jetty [ 20645 ]

          Oleg Nenashev added a comment -

          I doubt it is related to Jetty in this case.

          Both changes in 2.116 do not seem to be related. jupiter2005ster are you sure that 2.116 is the version where the regression happens?

          Oleg Nenashev added a comment - I doubt it is related to Jetty in this case. Both changes in 2.116 do not seem to be related. jupiter2005ster are you sure that 2.116 is the version where the regression happens?

          I probably used the wrong words. I wanted to say, I can not use newer version but 2.116.

          2.116 is the last version which work with normal speed. 

          The issue (h.filterDescriptors(it,attrs.descriptors) in /configure. Reason: java.lang.NullPointerException) could come a plugin. I'll do more checks.

          Balint Szigeti added a comment - I probably used the wrong words. I wanted to say, I can not use newer version but 2.116. 2.116 is the last version which work with normal speed.  The issue (h.filterDescriptors(it,attrs.descriptors) in /configure. Reason: java.lang.NullPointerException) could come a plugin. I'll do more checks.

          Oleg Nenashev added a comment -

          "Update Winstone from 4.1.2 to 4.2 to update Jetty from 9.4.5 to 9.4.8 for various bugfixes and improvements" is in 2.117.

          From "Jenkins/configure.jelly GlobalLibraries/config.jelly LibraryConfiguration/config.jelly SCMRetriever/DescriptorImpl/config.jelly MultiSCM/DescriptorImpl/config.jelly" I suspect MultipleSCM to be a root cause

          Code track:

          Descriptor list is null for context.

           

          If the MultipleSCM plugin is used correctly, there should be no such issue. Most likely hetero-list-scm is incorrectly invoked somewhere with null attribute

           

          Oleg Nenashev added a comment - "Update Winstone from 4.1.2 to 4.2 to update Jetty from 9.4.5 to 9.4.8 for various bugfixes and improvements" is in 2.117. From "Jenkins/configure.jelly GlobalLibraries/config.jelly LibraryConfiguration/config.jelly SCMRetriever/DescriptorImpl/config.jelly MultiSCM/DescriptorImpl/config.jelly" I suspect MultipleSCM to be a root cause Code track: https://github.com/jenkinsci/jenkins/blob/d4737b2b60438ce0e3cb7a8a6f26675f7c880914/core/src/main/java/hudson/model/DescriptorVisibilityFilter.java#L71-L74   - the entire iterable array is null https://github.com/jenkinsci/multiple-scms-plugin/blob/6e7231283defa716d547b2f4f56e9b8db52b67be/src/main/resources/org/jenkinsci/plugins/multiplescms/forms/hetero-list-scm.jelly#L126 https://github.com/jenkinsci/multiple-scms-plugin/blob/6e7231283defa716d547b2f4f56e9b8db52b67be/src/main/resources/org/jenkinsci/plugins/multiplescms/MultiSCM/config.jelly#L9-L13 https://github.com/jenkinsci/multiple-scms-plugin/blob/6e7231283defa716d547b2f4f56e9b8db52b67be/src/main/java/org/jenkinsci/plugins/multiplescms/MultiSCM.java#L220_L229 - instanceof checks will permit null descriptor, but it will never return null collection https://github.com/jenkinsci/jenkins/blame/master/core/src/main/java/hudson/scm/SCM.java#L740-L751 - cannot return collection null descriptor independently of whether the Project is passed or not. The original context refers "Hudson" so likely project is not passed Descriptor list is null for context.   If the MultipleSCM plugin is used correctly, there should be no such issue. Most likely hetero-list-scm is incorrectly invoked somewhere with null attribute  

          okay, the NullPointerException belonged to MultiSCM plugin, that I removed, but the slowness still remained. I started to disabled plugins, but the jetty (web page rendering time) still slow. I've tried the 2.133 and 2.121.2 LTS but both are slow. I can't see any relevant in logs (Ubuntu /var/log/jenkins/jenkins.log).  

          Balint Szigeti added a comment - okay, the NullPointerException belonged to MultiSCM plugin, that I removed, but the slowness still remained. I started to disabled plugins, but the jetty (web page rendering time) still slow. I've tried the 2.133 and 2.121.2 LTS but both are slow. I can't see any relevant in logs (Ubuntu /var/log/jenkins/jenkins.log).  

          isn't there a way to get more info from jenkins what it is doing? why does page rendering take ages?

          Balint Szigeti added a comment - isn't there a way to get more info from jenkins what it is doing? why does page rendering take ages?

          Oleg Nenashev added a comment -

          An ultimate approach would be to attach a Java profiler to your instance, but it is preferable to avoid it on production.

          If you have a test instance where you can reproduce it, it would be great if you could do it

          Oleg Nenashev added a comment - An ultimate approach would be to attach a Java profiler to your instance, but it is preferable to avoid it on production. If you have a test instance where you can reproduce it, it would be great if you could do it

          okay, the answer is https://plugins.jenkins.io/extended-choice-parameter
          this plugin cause the slowness, but I don't know why.

          Balint Szigeti added a comment - okay, the answer is https://plugins.jenkins.io/extended-choice-parameter this plugin cause the slowness, but I don't know why.

            Unassigned Unassigned
            jupiter2005ster Balint Szigeti
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              Created:
              Updated: