[JIRA] [git-plugin] (JENKINS-27864) 1.608 with git plugin deadlock

Mon, 13 Apr 2015 01:38:34 -0700

Lubos Kosco commented on Bug JENKINS-27864

seems it is something with credentials, so a dependency on git then?
can you reroute me if this is not git plugin problem?

relevant jstack info:

2015-04-08 21:11:12
Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.40-b25 mixed mode):

"GitSCM.onLoaded" #126 daemon prio=5 os_prio=64 tid=0x0000000001151000 nid=0x83 waiting for monitor entry [0xffff80ffa15f7000]
java.lang.Thread.State: BLOCKED (on object monitor)
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:252)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

"GitSCM.onLoaded" #126 daemon prio=5 os_prio=64 tid=0x0000000001151000 nid=0x83 waiting for monitor entry [0xffff80ffa15f7000]
java.lang.Thread.State: BLOCKED (on object monitor)
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:252)

  • waiting to lock <0x00000006c283e468> (a hudson.ExtensionList$Lock)
    at hudson.ExtensionList.iterator(ExtensionList.java:143)
    at jenkins.model.Jenkins.getDescriptorByType(Jenkins.java:1192)
    at hudson.plugins.git.GitSCM.onLoaded(GitSCM.java:1603)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:106)
    at hudson.init.TaskMethodFinder$TaskImpl.run(TaskMethodFinder.java:176)
    at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
    at jenkins.model.Jenkins$7.runTask(Jenkins.java:904)
    at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
    at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"Loading global config" #125 daemon prio=5 os_prio=64 tid=0x00000000024f3800 nid=0x82 waiting for monitor entry [0xffff80ffa16f8000]
java.lang.Thread.State: BLOCKED (on object monitor)
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:252)

  • waiting to lock <0x00000006c283e468> (a hudson.ExtensionList$Lock)
    at hudson.ExtensionList.getComponents(ExtensionList.java:154)
    at hudson.DescriptorExtensionList.load(DescriptorExtensionList.java:182)
    at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
  • locked <0x00000007b4189ae8> (a hudson.DescriptorExtensionList)
    at hudson.ExtensionList.iterator(ExtensionList.java:143)
    at hudson.model.User.load(User.java:190)
  • locked <0x00000007b4189b28> (a hudson.model.User)
    at hudson.model.User.<init>(User.java:141)
    at hudson.model.User.getOrCreate(User.java:442)
    at hudson.model.User.current(User.java:486)
    at hudson.plugins.jobConfigHistory.PluginUtils.getHistoryDao(PluginUtils.java:71)
    at hudson.plugins.jobConfigHistory.PluginUtils.getHistoryDao(PluginUtils.java:62)
    at hudson.plugins.jobConfigHistory.ComputerHistoryListener.onChange(ComputerHistoryListener.java:92)
    at hudson.plugins.jobConfigHistory.ComputerHistoryListener.onConfigurationChange(ComputerHistoryListener.java:52)
    at hudson.model.AbstractCIBase.updateComputerList(AbstractCIBase.java:208)
    at jenkins.model.Jenkins.updateComputerList(Jenkins.java:1219)
    at jenkins.model.Nodes$6.run(Nodes.java:254)
    at hudson.model.Queue._withLock(Queue.java:1207)
    at hudson.model.Queue.withLock(Queue.java:1143)
    at jenkins.model.Nodes.load(Nodes.java:245)
    at jenkins.model.Jenkins$16.run(Jenkins.java:2637)
    at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
    at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
    at jenkins.model.Jenkins$7.runTask(Jenkins.java:904)
    at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
    at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"GitTool.onLoaded" #123 daemon prio=5 os_prio=64 tid=0x000000000184f000 nid=0x80 waiting for monitor entry [0xffff80ffa18f9000]
java.lang.Thread.State: BLOCKED (on object monitor)
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:252)

  • waiting to lock <0x00000007b4189ae8> (a hudson.DescriptorExtensionList)
    at hudson.ExtensionList.iterator(ExtensionList.java:143)
    at hudson.model.User.load(User.java:190)
  • locked <0x0000000774639048> (a hudson.model.User)
    at hudson.model.User.<init>(User.java:141)
    at hudson.model.User.getOrCreate(User.java:442)
    at hudson.model.User.current(User.java:486)
    at hudson.plugins.jobConfigHistory.PluginUtils.getHistoryDao(PluginUtils.java:71)
    at hudson.plugins.jobConfigHistory.PluginUtils.getHistoryDao(PluginUtils.java:62)
    at hudson.plugins.jobConfigHistory.JobConfigHistorySaveableListener.getHistoryDao(JobConfigHistorySaveableListener.java:49)
    at hudson.plugins.jobConfigHistory.JobConfigHistorySaveableListener.onChange(JobConfigHistorySaveableListener.java:28)
    at hudson.model.listeners.SaveableListener.fireOnChange(SaveableListener.java:80)
    at hudson.model.Descriptor.save(Descriptor.java:760)
  • locked <0x0000000774478750> (a hudson.plugins.sonar.SonarPublisher$DescriptorImpl)
    at hudson.plugins.sonar.SonarPublisher$DescriptorImpl.<init>(SonarPublisher.java:420)
    at hudson.plugins.sonar.SonarPublisher$DescriptorImpl$$FastClassByGuice$$46a6cf4e.newInstance(<generated>)
    at com.google.inject.internal.cglib.reflect.$FastConstructor.newInstance(FastConstructor.java:40)
    at com.google.inject.internal.DefaultConstructionProxyFactory$1.newInstance(DefaultConstructionProxyFactory.java:61)
    at com.google.inject.internal.ConstructorInjector.provision(ConstructorInjector.java:108)
    at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:88)
    at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:269)
    at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
    at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1058)
    at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
    at com.google.inject.Scopes$1$1.get(Scopes.java:65)
  • locked <0x00000007b39194e0> (a java.lang.Class for com.google.inject.internal.InternalInjectorCreator)
    at hudson.ExtensionFinder$GuiceFinder$FaultTolerantScope$1.get(ExtensionFinder.java:427)
    at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:41)
    at com.google.inject.internal.InjectorImpl$3$1.call(InjectorImpl.java:1005)
    at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1051)
    at com.google.inject.internal.InjectorImpl$3.get(InjectorImpl.java:1001)
    at hudson.ExtensionFinder$GuiceFinder._find(ExtensionFinder.java:389)
    at hudson.ExtensionFinder$GuiceFinder.find(ExtensionFinder.java:380)
    at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:386)
    at hudson.ExtensionList.load(ExtensionList.java:300)
    at hudson.ExtensionList.ensureLoaded(ExtensionList.java:253)
  • locked <0x00000006c283e468> (a hudson.ExtensionList$Lock)
    at hudson.ExtensionList.iterator(ExtensionList.java:143)
    at jenkins.model.Jenkins.getDescriptor(Jenkins.java:1168)
    at hudson.plugins.git.GitTool.onLoaded(GitTool.java:114)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:106)
    at hudson.init.TaskMethodFinder$TaskImpl.run(TaskMethodFinder.java:176)
    at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
    at jenkins.model.Jenkins$7.runTask(Jenkins.java:904)
    at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
    at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

Found one Java-level deadlock:
=============================
"pool-11-thread-1":
waiting to lock monitor 0x00000000024ac850 (object 0x00000006c283e468, a hudson.ExtensionList$Lock),
which is held by "GitTool.onLoaded"
"GitTool.onLoaded":
waiting to lock monitor 0x0000000002889520 (object 0x00000007b4189ae8, a hudson.DescriptorExtensionList),
which is held by "Loading global config"
"Loading global config":
waiting to lock monitor 0x00000000024ac850 (object 0x00000006c283e468, a hudson.ExtensionList$Lock),
which is held by "GitTool.onLoaded"

Java stack information for the threads listed above:
===================================================
"pool-11-thread-1":
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:252)

  • waiting to lock <0x00000006c283e468> (a hudson.ExtensionList$Lock)
    at hudson.ExtensionList.iterator(ExtensionList.java:143)
    at com.cloudbees.plugins.credentials.CredentialsProvider.lookupCredentials(CredentialsProvider.java:460)
    at com.cloudbees.plugins.credentials.CredentialsProvider.lookupCredentials(CredentialsProvider.java:416)
    at hudson.plugins.sshslaves.SSHLauncher.lookupSystemCredentials(SSHLauncher.java:291)
    at hudson.plugins.sshslaves.SSHLauncher.getCredentials(SSHLauncher.java:486)
    at hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1169)
    at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:701)
    at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:696)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
    "GitTool.onLoaded":
    at hudson.ExtensionList.ensureLoaded(ExtensionList.java:252)
  • waiting to lock <0x00000007b4189ae8> (a hudson.DescriptorExtensionList)
    at hudson.ExtensionList.iterator(ExtensionList.java:143)
    at hudson.model.User.load(User.java:190)
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