[JIRA] [build-pipeline-plugin] (JENKINS-34722) Unbounded searches with BuildUtil.getDownstreamBuild

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ganthore@gmail.com (JIRA)

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May 10, 2016, 11:30:01 PM5/10/16
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Mark Austin created an issue
 
Jenkins / Improvement JENKINS-34722
Unbounded searches with BuildUtil.getDownstreamBuild
Issue Type: Improvement Improvement
Assignee: Unassigned
Components: build-pipeline-plugin
Created: 2016/May/11 3:29 AM
Priority: Major Major
Reporter: Mark Austin

BuildUtil.getDownstreamBuild does an unbounded search of build records, which is never acceptable due to Jenkins lazy-loading, and particular not in the context of an HTTP handler thread.

It would be better is to use AbstractBuild.getDownstreamBuilds(AbstractProject), which is efficient, though it only works for project chains which are correctly configured with fingerprints.
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ganthore@gmail.com (JIRA)

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May 10, 2016, 11:39:01 PM5/10/16
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Mark Austin updated an issue
Change By: Mark Austin
BuildUtil.getDownstreamBuild does an unbounded search of build records, which is never acceptable due to Jenkins lazy-loading, and particular not in the context of an HTTP handler thread.

It would be better is to use AbstractBuild.getDownstreamBuilds(AbstractProject), which is efficient, though it only works for project chains which are correctly configured with fingerprints.


Example:
{code}
"Handling GET /jenkins/org/job/Pipelines/job/org-build/view/Pipelines_View/ from 10.x.x.x : RequestHandlerThread[#2296] View/index.jelly" Id=126293 BLOCKED on hudson.model.RunMap@607d5beb owned by "Handling GET /jenkins/org/job/Pipelines/job/org-build/ from 10.x.x.x : RequestHandlerThread[#2297] View/index.jelly" Id=126471
    at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java)
    -  blocked on hudson.model.RunMap@607d5beb
    at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:448)
    at jenkins.model.lazy.AbstractLazyLoadRunMap.getByNumber(AbstractLazyLoadRunMap.java:356)
    at jenkins.model.lazy.AbstractLazyLoadRunMap.search(AbstractLazyLoadRunMap.java:332)
    at jenkins.model.lazy.LazyLoadRunMapEntrySet$1.next(LazyLoadRunMapEntrySet.java:74)
    at jenkins.model.lazy.LazyLoadRunMapEntrySet$1.next(LazyLoadRunMapEntrySet.java:63)
    at java.util.AbstractMap$2$1.next(AbstractMap.java:396)
    at au.com.centrumsystems.hudson.plugin.util.BuildUtil.getDownstreamBuild(BuildUtil.java:66)
{code}

schristou88@gmail.com (JIRA)

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May 18, 2016, 1:59:01 PM5/18/16
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Steven Christou assigned an issue to Steven Christou
Change By: Steven Christou
Assignee: Steven Christou

scm_issue_link@java.net (JIRA)

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May 20, 2016, 1:31:06 PM5/20/16
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SCM/JIRA link daemon resolved as Fixed
Change By: SCM/JIRA link daemon
Status: Open Resolved
Resolution: Fixed

scm_issue_link@java.net (JIRA)

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May 20, 2016, 1:31:07 PM5/20/16
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SCM/JIRA link daemon commented on Improvement JENKINS-34722
 
Re: Unbounded searches with BuildUtil.getDownstreamBuild

Code changed in jenkins
User: Dan Alvizu
Path:
src/main/java/au/com/centrumsystems/hudson/plugin/util/BuildUtil.java
src/test/java/au/com/centrumsystems/hudson/plugin/util/BuildUtilTest.java
http://jenkins-ci.org/commit/build-pipeline-plugin/00a6a4ffe49f1a98ac0195dd5e940a3f070b79c9
Log:
Merge pull request #100 from christ66/perf

[FIXED JENKINS-34722] Performance improvement to not load all jobs

Compare: https://github.com/jenkinsci/build-pipeline-plugin/compare/1dbe68a2a15d...00a6a4ffe49f

alvizu@gmail.com (JIRA)

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May 23, 2016, 5:15:01 PM5/23/16
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Fixed in release 1.5.3.1

dilipm79@gmail.com (JIRA)

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Jun 20, 2016, 5:58:03 PM6/20/16
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Dilip M commented on Improvement JENKINS-34722

Hi,

Unfortunately we are not seeing any performance improvements . We upgraded to 1.5.3.1 version of plugin and set the System property using the groovy script console.
Core: 1.642.1

https://JENKINS_URL/script
System.setProperty('au.com.centurmsystems.hudson.plugin.util.BuildUtil.MAX_DOWNSTREAM_DEPTH', '3')

It takes 10+ mins to initialize the Build Pipe line page.

Here is the few threadDumps taken during various stages…until the build-pipe-line view finally rendered. Let me know if you need more logging...

Snapshot 1:


"Handling GET /jenkins/view/RadioSW/view/40%C2%B0%20Wash%20Pipeline/ from 142.133.110.108 : http-bio-8443-exec-114 View/index.jelly" daemon prio=10 tid=0x00007f3790168000 nid=0x507c runnable [0x00007f376fcb8000]
   java.lang.Thread.State: RUNNABLE
	at java.util.AbstractList$Itr.hasNext(AbstractList.java:351)
	at java.util.AbstractCollection.toArray(AbstractCollection.java:139)
	at java.util.ArrayList.<init>(ArrayList.java:164)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.search(AbstractLazyLoadRunMap.java:326)
	at jenkins.model.lazy.LazyLoadRunMapEntrySet$1.next(LazyLoadRunMapEntrySet.java:74)
	at jenkins.model.lazy.LazyLoadRunMapEntrySet$1.next(LazyLoadRunMapEntrySet.java:63)
	at java.util.AbstractMap$2$1.next(AbstractMap.java:385)
	at hudson.util.Iterators$9.fetch(Iterators.java:383)
	at hudson.util.Iterators$9.hasNext(Iterators.java:369)
	at au.com.centrumsystems.hudson.plugin.util.BuildUtil.getDownstreamBuild(BuildUtil.java:80)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.PipelineBuild.getDownstreamPipeline(PipelineBuild.java:189)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildForm.<init>(BuildForm.java:90)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildForm.<init>(BuildForm.java:74)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.DownstreamProjectGridBuilder$GridImpl$1$1.adapt(DownstreamProjectGridBuilder.java:117)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.DownstreamProjectGridBuilder$GridImpl$1$1.adapt(DownstreamProjectGridBuilder.java:114)
	at hudson.util.AdaptedIterator.next(AdaptedIterator.java:54)
	at com.google.common.collect.Iterators$9.next(Iterators.java:969)
	at com.google.common.collect.Lists.newArrayList(Lists.java:139)
	at com.google.common.collect.Iterables.toCollection(Iterables.java:315)
	at com.google.common.collect.Iterables.toArray(Iterables.java:293)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildPipelineForm.<init>(BuildPipelineForm.java:40)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildPipelineView.getBuildPipelineForm(BuildPipelineView.java:360)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildPipelineView.getItems(BuildPipelineView.java:814)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildPipelineView.hasPermission(BuildPipelineView.java:882)
	at hudson.Functions.hasPermission(Functions.java:791)
	at sun.reflect.GeneratedMethodAccessor157.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.commons.jexl.util.introspection.UberspectImpl$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.expression.ExpressionSupport.evaluateRecurse(ExpressionSupport.java:61)
	at org.apache.commons.jelly.expression.ExpressionSupport.evaluateAsBoolean(ExpressionSupport.java:71)
	at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:97)
	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.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.CompressTag.doTag(CompressTag.java:44)
	at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
	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.JellyClassTearOff.serveIndexJelly(JellyClassTearOff.java:112)
	at org.kohsuke.stapler.jelly.JellyFacet.handleIndexRequest(JellyFacet.java:127)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:735)
	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.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:728)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)
	at com.cloudbees.jenkins.support.slowrequest.SlowRequestFilter.doFilter(SlowRequestFilter.java:37)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:129)
	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:201)
	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:178)
	at net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:85)
	at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:102)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:129)
	at jenkins.metrics.impl.MetricsFilter.doFilter(MetricsFilter.java:125)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:129)
	at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:59)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:129)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:123)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:49)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	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.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:611)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)
	- locked <0x00007f3b9d3d6710> (a org.apache.tomcat.util.net.SocketWrapper)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)

   Locked ownable synchronizers:
	- <0x00007f38c27bc5f0> (a java.util.concurrent.ThreadPoolExecutor$Worker)

Snapshot 2:


"Handling GET /jenkins/view/RadioSW/view/40%C2%B0%20Wash%20Pipeline/ from 142.133.110.108 : http-bio-8443-exec-114 View/index.jelly View/sidepanel.jelly" daemon prio=10 tid=0x00007f3790168000 nid=0x507c runnable [0x00007f376fcb6000]
   java.lang.Thread.State: RUNNABLE
	at java.util.Collections$SynchronizedMap.get(Collections.java:2037)
	- locked <0x00007f38af1a2ca8> (a java.util.Collections$SynchronizedMap)
	at com.thoughtworks.xstream.converters.basic.StringConverter.fromString(StringConverter.java:89)
	at com.thoughtworks.xstream.converters.SingleValueConverterWrapper.fromString(SingleValueConverterWrapper.java:41)
	at com.thoughtworks.xstream.converters.SingleValueConverterWrapper.unmarshal(SingleValueConverterWrapper.java:49)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:352)
	at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:290)
	at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:229)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:71)
	at com.thoughtworks.xstream.converters.collections.ArrayConverter.unmarshal(ArrayConverter.java:55)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:352)
	at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:290)
	at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:229)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:352)
	at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:290)
	at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:229)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:71)
	at hudson.util.RobustCollectionConverter.populateCollection(RobustCollectionConverter.java:85)
	at com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal(CollectionConverter.java:80)
	at hudson.util.RobustCollectionConverter.unmarshal(RobustCollectionConverter.java:76)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:352)
	at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:290)
	at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:229)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
	at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1189)
	at hudson.util.XStream2.unmarshal(XStream2.java:113)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1173)
	at hudson.XmlFile.unmarshal(XmlFile.java:163)
	at hudson.model.Run.reload(Run.java:326)
	at hudson.model.Run.<init>(Run.java:314)
	at hudson.model.AbstractBuild.<init>(AbstractBuild.java:175)
	at hudson.model.Build.<init>(Build.java:103)
	at hudson.model.FreeStyleBuild.<init>(FreeStyleBuild.java:38)
	at sun.reflect.GeneratedConstructorAccessor939.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
	at jenkins.model.lazy.LazyBuildMixIn.loadBuild(LazyBuildMixIn.java:156)
	at jenkins.model.lazy.LazyBuildMixIn$1.create(LazyBuildMixIn.java:133)
	at hudson.model.RunMap.retrieve(RunMap.java:223)
	at hudson.model.RunMap.retrieve(RunMap.java:56)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:465)
	- locked <0x00007f38a8966830> (a hudson.model.RunMap)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:448)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.getByNumber(AbstractLazyLoadRunMap.java:356)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.search(AbstractLazyLoadRunMap.java:332)
	at jenkins.model.lazy.LazyLoadRunMapEntrySet$1.next(LazyLoadRunMapEntrySet.java:74)
	at jenkins.model.lazy.LazyLoadRunMapEntrySet$1.next(LazyLoadRunMapEntrySet.java:63)
	at java.util.AbstractMap$2$1.next(AbstractMap.java:385)
	at hudson.util.Iterators$9.fetch(Iterators.java:383)
	at hudson.util.Iterators$9.hasNext(Iterators.java:369)
	at au.com.centrumsystems.hudson.plugin.util.BuildUtil.getDownstreamBuild(BuildUtil.java:80)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.PipelineBuild.getDownstreamPipeline(PipelineBuild.java:189)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildForm.<init>(BuildForm.java:90)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildForm.<init>(BuildForm.java:93)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildForm.<init>(BuildForm.java:93)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildForm.<init>(BuildForm.java:74)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.DownstreamProjectGridBuilder$GridImpl$1$1.adapt(DownstreamProjectGridBuilder.java:117)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.DownstreamProjectGridBuilder$GridImpl$1$1.adapt(DownstreamProjectGridBuilder.java:114)
	at hudson.util.AdaptedIterator.next(AdaptedIterator.java:54)
	at com.google.common.collect.Iterators$9.next(Iterators.java:969)
	at com.google.common.collect.Lists.newArrayList(Lists.java:139)
	at com.google.common.collect.Iterables.toCollection(Iterables.java:315)
	at com.google.common.collect.Iterables.toArray(Iterables.java:293)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildPipelineForm.<init>(BuildPipelineForm.java:40)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildPipelineView.getBuildPipelineForm(BuildPipelineView.java:360)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildPipelineView.getItems(BuildPipelineView.java:814)
	at hudson.model.View.getComputers(View.java:434)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
	at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233)
	at groovy.lang.MetaClassImpl$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 jenkins.widgets.ExecutorsWidget.index.run(index.groovy:5)
	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.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.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.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.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.kohsuke.stapler.jelly.CompressTag.doTag(CompressTag.java:44)
	at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
	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.JellyClassTearOff.serveIndexJelly(JellyClassTearOff.java:112)
	at org.kohsuke.stapler.jelly.JellyFacet.handleIndexRequest(JellyFacet.java:127)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:735)
	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.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:728)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)
	at com.cloudbees.jenkins.support.slowrequest.SlowRequestFilter.doFilter(SlowRequestFilter.java:37)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:129)
	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:201)
	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:178)
	at net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:85)
	at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:102)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:129)
	at jenkins.metrics.impl.MetricsFilter.doFilter(MetricsFilter.java:125)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:129)
	at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:59)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:129)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:123)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:49)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	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.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:611)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)
	- locked <0x00007f3b9cbcc690> (a org.apache.tomcat.util.net.SocketWrapper)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)

   Locked ownable synchronizers:
	- <0x00007f38c27bc5f0> (a java.util.concurrent.ThreadPoolExecutor$Worker)
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Jun 20, 2016, 6:06:09 PM6/20/16
to jenkinsc...@googlegroups.com
Dilip M commented on Improvement JENKINS-34722

Here is the threadump on multiple http requests for Build Pipe line view.

Client #1: 142.133.110.108
Cleint #2: 142.133.185.30


"Handling GET /jenkins/view/RadioSW/view/40%C2%B0%20Wash%20Pipeline/ from 142.133.110.108 : http-bio-8443-exec-124 View/index.jelly View/sidepanel.jelly" daemon prio=10 tid=0x00007f379016f000 nid=0x6d90 waiting for monitor entry [0x00007f3778ec9000]
   java.lang.Thread.State: BLOCKED (on object monitor)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:465)
	- waiting to lock <0x00007f38a8dcac70> (a hudson.model.RunMap)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:448)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.getByNumber(AbstractLazyLoadRunMap.java:356)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.search(AbstractLazyLoadRunMap.java:332)
	at jenkins.model.lazy.LazyLoadRunMapEntrySet$1.next(LazyLoadRunMapEntrySet.java:74)
	.
.
.

"Handling GET /jenkins/view/RadioSW/view/40%C2%B0%20Wash%20Pipeline/ from 142.133.185.30 : http-bio-8443-exec-97 View/index.jelly View/sidepanel.jelly NextExecutionsWidget/index.jelly" daemon prio=10 tid=0x00007f3784219000 nid=0x5e0d waiting for monitor entry [0x00007f37704be000]
   java.lang.Thread.State: BLOCKED (on object monitor)
	at com.thoughtworks.xstream.core.DefaultConverterLookup.lookupConverterForType(DefaultConverterLookup.java:49)
	- locked <0x00007f38a9c96380> (a com.thoughtworks.xstream.core.DefaultConverterLookup)
	at com.thoughtworks.xstream.XStream$1.lookupConverterForType(XStream.java:498)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:56)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at com.thoughtworks.xstream.converters.reflection.SerializableConverter$2.readFromStream(SerializableConverter.java:340)
	at com.thoughtworks.xstream.core.util.CustomObjectInputStream.readObjectOverride(CustomObjectInputStream.java:120)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:364)
	at java.util.TreeMap.buildFromSorted(TreeMap.java:2403)
	at java.util.TreeMap.buildFromSorted(TreeMap.java:2418)
	at java.util.TreeMap.buildFromSorted(TreeMap.java:2418)
	at java.util.TreeMap.buildFromSorted(TreeMap.java:2418)
	at java.util.TreeMap.buildFromSorted(TreeMap.java:2418)
	at java.util.TreeMap.buildFromSorted(TreeMap.java:2386)
	at java.util.TreeMap.buildFromSorted(TreeMap.java:2418)
	at java.util.TreeMap.buildFromSorted(TreeMap.java:2418)
	at java.util.TreeMap.buildFromSorted(TreeMap.java:2344)
	at java.util.TreeMap.readObject(TreeMap.java:2290)
	at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.thoughtworks.xstream.converters.reflection.SerializationMethodInvoker.callReadObject(SerializationMethodInvoker.java:114)
	at com.thoughtworks.xstream.converters.reflection.SerializableConverter.doUnmarshal(SerializableConverter.java:454)
	at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:257)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:352)
	at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:290)
	at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:229)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:71)
	at hudson.util.RobustCollectionConverter.populateCollection(RobustCollectionConverter.java:85)
	at com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal(CollectionConverter.java:80)
	at hudson.util.RobustCollectionConverter.unmarshal(RobustCollectionConverter.java:76)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:352)
	at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:290)
	at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:229)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
	at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1189)
	at hudson.util.XStream2.unmarshal(XStream2.java:113)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1173)
	at hudson.XmlFile.unmarshal(XmlFile.java:163)
	at hudson.model.Run.reload(Run.java:326)
	at hudson.model.Run.<init>(Run.java:314)
	at hudson.model.AbstractBuild.<init>(AbstractBuild.java:175)
	at hudson.model.Build.<init>(Build.java:103)
	at hudson.model.FreeStyleBuild.<init>(FreeStyleBuild.java:38)
	at sun.reflect.GeneratedConstructorAccessor877.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
	at jenkins.model.lazy.LazyBuildMixIn.loadBuild(LazyBuildMixIn.java:156)
	at jenkins.model.lazy.LazyBuildMixIn$1.create(LazyBuildMixIn.java:133)
	at hudson.model.RunMap.retrieve(RunMap.java:223)
	at hudson.model.RunMap.retrieve(RunMap.java:56)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:465)
	- locked <0x00007f38a8dcac70> (a hudson.model.RunMap)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:448)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.getByNumber(AbstractLazyLoadRunMap.java:356)
	at jenkins.model.lazy.AbstractLazyLoadRunMap.search(AbstractLazyLoadRunMap.java:332)
	at jenkins.model.lazy.LazyLoadRunMapEntrySet$1.next(LazyLoadRunMapEntrySet.java:74)
	at jenkins.model.lazy.LazyLoadRunMapEntrySet$1.next(LazyLoadRunMapEntrySet.java:63)
	at java.util.AbstractMap$2$1.next(AbstractMap.java:385)
	at hudson.util.Iterators$9.fetch(Iterators.java:383)
	at hudson.util.Iterators$9.hasNext(Iterators.java:369)
	at au.com.centrumsystems.hudson.plugin.util.BuildUtil.getDownstreamBuild(BuildUtil.java:80)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.PipelineBuild.getDownstreamPipeline(PipelineBuild.java:189)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildForm.<init>(BuildForm.java:90)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildForm.<init>(BuildForm.java:93)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildForm.<init>(BuildForm.java:74)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.DownstreamProjectGridBuilder$GridImpl$1$1.adapt(DownstreamProjectGridBuilder.java:117)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.DownstreamProjectGridBuilder$GridImpl$1$1.adapt(DownstreamProjectGridBuilder.java:114)
	at hudson.util.AdaptedIterator.next(AdaptedIterator.java:54)
	at com.google.common.collect.Iterators$9.next(Iterators.java:969)
	at com.google.common.collect.Lists.newArrayList(Lists.java:139)
	at com.google.common.collect.Iterables.toCollection(Iterables.java:315)
	at com.google.common.collect.Iterables.toArray(Iterables.java:293)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildPipelineForm.<init>(BuildPipelineForm.java:40)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildPipelineView.getBuildPipelineForm(BuildPipelineView.java:360)
	at au.com.centrumsystems.hudson.plugin.buildpipeline.BuildPipelineView.getItems(BuildPipelineView.java:814)
	at hudson.plugins.nextexecutions.NextExecutionsWidget.getBuilds(NextExecutionsWidget.java:58)
	at sun.reflect.GeneratedMethodAccessor629.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.commons.jexl.util.PropertyExecutor.execute(PropertyExecutor.java:125)
	at org.apache.commons.jexl.util.introspection.UberspectImpl$VelGetterImpl.invoke(UberspectImpl.java:314)
	at org.apache.commons.jexl.parser.ASTArrayAccess.evaluateExpr(ASTArrayAccess.java:185)
	at org.apache.commons.jexl.parser.ASTIdentifier.execute(ASTIdentifier.java:75)
	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.expression.ExpressionSupport.evaluateRecurse(ExpressionSupport.java:61)
	at org.apache.commons.jelly.expression.ExpressionSupport.evaluateAsIterator(ExpressionSupport.java:94)
	at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:89)
	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.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
	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.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
	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.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)

dilipm79@gmail.com (JIRA)

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Jun 27, 2016, 12:41:01 PM6/27/16
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Dilip M commented on Improvement JENKINS-34722

Hi,

Any news or workaround for this please?

Thanks!
Dilip Mahadevappa

schristou88@gmail.com (JIRA)

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Jun 27, 2016, 1:35:03 PM6/27/16
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Dilip M How many builds are currently in your pipeline view, and how many pipelines are you currently displaying? A large part of the performance issue also revolves around the number of pipeline runs that are being displayed.

juan.m.fernandez@ericsson.com (JIRA)

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Jul 6, 2016, 6:19:02 PM7/6/16
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J F commented on Improvement JENKINS-34722

There are ~280 builds, and 50 pipelines, with varying numbers of build jobs each.

(Answering on behalf of Dilip)

audrey.azra@ericsson.com (JIRA)

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Jul 20, 2016, 3:00:02 PM7/20/16
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Steven Christou: Any news or workaround on this issue?

andrew.buckles@ericsson.com (JIRA)

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Jul 21, 2016, 2:09:02 PM7/21/16
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Hi, a bit more information here with regards to the pipeline we are having issues with.

Total number of potential jobs for the pipeline is 17... however, each one of those jobs has a range of build history in the thousands (some 8-9K, some 5K and others have 1-2K).

The pipeline is configured to only show the last 100 builds, however, will Jenkins still attempt to load all of the build history for each of the jobs involved in the pipeline?

For instance, what we observe with a standard job is that Jenkins will take a significant amount of time to load a job page if there are 8000 builds in the build history versus 100-200. Even though Jenkins won't display all of the build history, it still seems to load all of them into memory.

Does the pipeline job loading/rendering do a similar style of data fetch for each job in the pipeline?

Thanks,
Andy Buckles

sean.mcintyre@warbyparker.com (JIRA)

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Nov 17, 2016, 11:04:03 AM11/17/16
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Hi there,

I wanted to chime in and let everyone know we are having a similar issue with our Jenkins setup using the Pipeline plug-in. Each page load in Jenkins was approaching 11s, which is unacceptable for our CI pipeline and causing friction on our team.

I found that this was the issue by sampling the Java stack every second during a GET request, here are the results in a gist. I saw the common denominator of each sample was the BuildUtil.getDownstreamBuild, and found this ticket.

We have 7 pipelines in our installation, each having about 6 jobs, and most of those jobs having 1-3K builds in their histories. I purged the histories of these pipelines, reducing their histories to about 300 each (total 60K -> 17K), and Jenkins pageloads are now 2s. I had to do a Jenkins restart after the purges.

We are running Build Pipeline Plugin 1.5.4 and Jenkins 2.30.

Thanks!

alvizu@gmail.com (JIRA)

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Dec 8, 2016, 5:58:04 PM12/8/16
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Fixed in 1.5.6

alvizu@gmail.com (JIRA)

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Dec 9, 2016, 4:50:01 PM12/9/16
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sean.mcintyre@warbyparker.com (JIRA)

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Dec 12, 2016, 12:07:02 PM12/12/16
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Great, Dan Alvizu. Our Jenkins page load times fell from 2s to 20ms with the upgrade to 1.5.6.

alvizu@gmail.com (JIRA)

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Dec 12, 2016, 12:09:01 PM12/12/16
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good to hear, all credit to jpederzolli
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