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Stack trace javax.servlet.ServletException: java.lang.RuntimeException: Failed to serialize hudson.model.Project#publishers for class hudson.model.FreeStyleProject at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:796) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876) at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:249) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649) at org.kohsuke.stapler.Stapler.service(Stapler.java:238) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132) at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:58) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:129) at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:123) at org.eclipse.jetty.servlet.ServletHandler$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.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$1.doFilter(ChainedServletFilter.java:87) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171) at org.eclipse.jetty.servlet.ServletHandler$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$CachedChain.doFilter(ServletHandler.java:1474) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) at org.eclipse.jetty.server.Server.handle(Server.java:370) at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489) at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:960) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1021) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240) 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$1.run(BoundedExecutorService.java:77) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1153) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.lang.Thread.run(Thread.java:785) Caused by: java.lang.RuntimeException: Failed to serialize hudson.model.Project#publishers for class hudson.model.FreeStyleProject at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43) at com.thoughtworks.xstream.core.TreeMarshaller.start(TreeMarshaller.java:82) at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.marshal(AbstractTreeMarshallingStrategy.java:37) at com.thoughtworks.xstream.XStream.marshal(XStream.java:1026) at com.thoughtworks.xstream.XStream.marshal(XStream.java:1015) at com.thoughtworks.xstream.XStream.toXML(XStream.java:988) at hudson.XmlFile.write(XmlFile.java:178) at hudson.model.AbstractItem.save(AbstractItem.java:513) at hudson.model.Job.save(Job.java:177) at hudson.model.AbstractProject.save(AbstractProject.java:305) at hudson.model.AbstractItem.setDisplayName(AbstractItem.java:168) at hudson.model.Job.doConfigSubmit(Job.java:1186) at hudson.model.AbstractProject.doConfigSubmit(AbstractProject.java:794) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:95) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55) at java.lang.reflect.Method.invoke(Method.java:495) at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:298) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:161) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96) at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:121) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746) ... 65 more Caused by: java.lang.RuntimeException: Failed to serialize com.ibm.ConnectionsPlugin#logger for class com.ibm.ConnectionsPlugin at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:88) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at hudson.util.DescribableList$ConverterImpl.marshal(DescribableList.java:269) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 94 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.logging.Logger#manager for class java.util.logging.Logger at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 109 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.logging.LogManager#systemContext for class java.util.logging.LogManager at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 118 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.logging.LogManager$LoggerContext#namedLoggers for class java.util.logging.LogManager$SystemLoggerContext at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 127 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.ref.Reference#referent for class java.util.logging.LogManager$LoggerWeakRef at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:88) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.MapConverter.marshal(MapConverter.java:79) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 136 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.logging.Logger#parent for class java.util.logging.Logger at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 151 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.logging.Logger#handlers for class java.util.logging.LogManager$RootLogger at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 160 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.WebAppMain$1#this$0 for class hudson.WebAppMain$1 at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:88) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:74) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 169 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.WebAppMain#initThread for class hudson.WebAppMain at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 184 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.Thread#contextClassLoader for class hudson.WebAppMain$3 at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 193 more Caused by: java.lang.RuntimeException: Failed to serialize org.eclipse.jetty.webapp.WebAppClassLoader#_context for class org.eclipse.jetty.webapp.WebAppClassLoader at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 202 more Caused by: java.lang.RuntimeException: Failed to serialize org.eclipse.jetty.server.handler.AbstractHandler#_server for class winstone.HostConfiguration$1 at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 211 more Caused by: java.lang.RuntimeException: Failed to serialize org.eclipse.jetty.util.component.AggregateLifeCycle#_beans for class org.eclipse.jetty.server.Server at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 220 more Caused by: java.lang.RuntimeException: Failed to serialize org.eclipse.jetty.util.component.AggregateLifeCycle$Bean#_bean for class org.eclipse.jetty.util.component.AggregateLifeCycle$Bean at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:88) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:74) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 229 more Caused by: java.lang.RuntimeException: Failed to serialize org.eclipse.jetty.util.thread.ExecutorThreadPool#_executor for class org.eclipse.jetty.util.thread.ExecutorThreadPool at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 244 more Caused by: java.lang.RuntimeException: Failed to serialize winstone.BoundedExecutorService#base for class winstone.BoundedExecutorService at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 253 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.concurrent.ThreadPoolExecutor#workers for class java.util.concurrent.ThreadPoolExecutor at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 262 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.concurrent.ThreadPoolExecutor$Worker#thread for class java.util.concurrent.ThreadPoolExecutor$Worker at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:88) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:74) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 271 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.Thread#group for class java.lang.Thread at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 286 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.ThreadGroup#childrenThreads for class java.lang.ThreadGroup at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 295 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.Thread#runnable for class java.lang.Thread at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:88) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.ArrayConverter.marshal(ArrayConverter.java:45) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 304 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.concurrent.ThreadPoolExecutor$Worker#this$0 for class java.util.concurrent.ThreadPoolExecutor$Worker at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 319 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.concurrent.ThreadPoolExecutor#workQueue for class jenkins.util.ErrorLoggingScheduledThreadPoolExecutor at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 328 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue#queue for class java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 337 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.concurrent.FutureTask#callable for class java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:88) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.ArrayConverter.marshal(ArrayConverter.java:45) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 346 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.concurrent.Executors$RunnableAdapter#task for class java.util.concurrent.Executors$RunnableAdapter at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 361 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.slaves.ComputerRetentionWork#nextCheck for class hudson.slaves.ComputerRetentionWork at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 370 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.WeakHashMap#table for class java.util.WeakHashMap at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 379 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.ref.Reference#referent for class java.util.WeakHashMap$Entry at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:88) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.ArrayConverter.marshal(ArrayConverter.java:45) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 388 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.slaves.SlaveComputer#channel for class hudson.slaves.SlaveComputer at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 403 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.remoting.Channel#exportedObjects for class hudson.remoting.Channel at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 412 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.remoting.ExportTable#table for class hudson.remoting.ExportTable at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 421 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.remoting.ExportTable$Entry#object for class hudson.remoting.ExportTable$Entry at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:214) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:182) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:108) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:88) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.MapConverter.marshal(MapConverter.java:79) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 430 more Caused by: com.thoughtworks.xstream.converters.reflection.ObjectAccessException: Could not call hudson.remoting.JarLoaderImpl.writeReplace() : null at com.thoughtworks.xstream.converters.reflection.SerializationMethodInvoker.callWriteReplace(SerializationMethodInvoker.java:95) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:99) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:223) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:210) ... 445 more Caused by: java.lang.NullPointerException at hudson.remoting.JarLoaderImpl.writeReplace(JarLoaderImpl.java:104) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:95) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55) at java.lang.reflect.Method.invoke(Method.java:495) at com.thoughtworks.xstream.converters.reflection.SerializationMethodInvoker.callWriteReplace(SerializationMethodInvoker.java:89) ... 451 more