May 18, 2016 1:38:30 PM org.jenkinsci.main.modules.sshd.PortAdvertiser getEndpoint
WARNING: Failed to advertise SSH port
java.lang.NullPointerException
  at jenkins.model.Jenkins.getRootUrl(Jenkins.java:1954)
  at org.jenkinsci.main.modules.sshd.PortAdvertiser.getEndpoint(PortAdvertiser.java:26)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:606)
  at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
  at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233)
  at groovy.lang.MetaClassImpl$GetBeanMethodMetaProperty.getProperty(MetaClassImpl.java:3500)
  at org.codehaus.groovy.runtime.callsite.GetEffectivePojoPropertySite.getProperty(GetEffectivePojoPropertySite.java:61)
  at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGetProperty(AbstractCallSite.java:227)
  at org.jenkinsci.main.modules.sshd.PortAdvertiser.httpHeaders.run(httpHeaders.groovy:3)
  at org.kohsuke.stapler.jelly.groovy.GroovierJellyScript.run(GroovierJellyScript.java:74)
  at org.kohsuke.stapler.jelly.groovy.GroovierJellyScript.run(GroovierJellyScript.java:62)
  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.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.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$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.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
  at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)
  at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:63)
  at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:53)
  at org.kohsuke.stapler.jelly.JellyRequestDispatcher.forward(JellyRequestDispatcher.java:55)
  at hudson.util.HudsonIsLoading.doDynamic(HudsonIsLoading.java:45)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:606)
  at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:320)
  at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:163)
  at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96)
  at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:403)
  at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
  at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
  at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494)
  at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:135)
  at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:126)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
  at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:49)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
  at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
  at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
  at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
  at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
  at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
  at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
  at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
  at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
  at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
  at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
  at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
  at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
  at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
  at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
  at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
  at org.eclipse.jetty.server.Server.handle(Server.java:370)
  at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
  at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
  at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
  at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
  at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
  at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
  at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
  at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
  at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
  at java.lang.Thread.run(Thread.java:745)