Clark Wright created JENKINS-13330:
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Summary: Jenkins slave hangs in post build phase
Key: JENKINS-13330
URL: https://issues.jenkins-ci.org/browse/JENKINS-13330
Project: Jenkins
Issue Type: Bug
Components: master-slave, slave-status
Environment: RHEL 5, both master and all slaves.
Jenkins is running inside of Tomcat
Reporter: Clark Wright
Priority: Critical
Attachments: Screenshot-galleon_allIntegration #1196 Console [Jenkins]
- Mozilla Firefox.png
We have an intermittent problem with slaves hanging AFTER the job itself is
finished. In the post processing step (?) what we see is that the console log
has this line:
Description set: vap_current_iter-2012_03_29_19_01_03
And then nothing. Usually, it will look like this:
Description set: prod_pull-2012_03_28_19_01_03
Notifying upstream build armada_Launch_prod_pull #13 of job completion
Project armada_Launch_prod_pull still waiting for 1 builds to complete
Notifying upstream projects of job completion
Notifying upstream of completion: armada_Launch_prod_pull #13
Finished: SUCCESS
I setup a logger for hudson.model.Run, and it currently has this :
at java.lang.Thread.run(Thread.java:619)
Mar 30, 2012 12:44:00 PM hudson.model.Run run
INFO: galleon_allUnit #1134 main build action completed: SUCCESS
Mar 30, 2012 12:44:00 PM hudson.model.Run setResult
FINE: galleon_allUnit #1134 : result is set to SUCCESS
java.lang.Exception
at hudson.model.Run.setResult(Run.java:352)
at hudson.model.Run.run(Run.java:1410)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:238)
Repeated for every hung slave.
The main hudson log doesn't have any additional information.
Disconnecting the slave has no effect.
Trying to do an orderly shutdown of Jenkins has no effect (jenkins actually
appears to hang on shutdown).
The only way we have found to recover is to kill -9 the tomcat process.
The tread dump for one of the slaves (they are all the same) is:
Thread Dump
Channel reader thread: channel
"Channel reader thread: channel" Id=9 Group=main RUNNABLE (in native)
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:199)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
- locked java.io.BufferedInputStream@1ae615a
at
java.io.ObjectInputStream$PeekInputStream.peek(ObjectInputStream.java:2249)
at
java.io.ObjectInputStream$BlockDataInputStream.peek(ObjectInputStream.java:2542)
at
java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2552)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1297)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
at hudson.remoting.Channel$ReaderThread.run(Channel.java:1030)
main
"main" Id=1 Group=main WAITING on hudson.remoting.Channel@e1d5ea
at java.lang.Object.wait(Native Method)
- waiting on hudson.remoting.Channel@e1d5ea
at java.lang.Object.wait(Object.java:485)
at hudson.remoting.Channel.join(Channel.java:766)
at hudson.remoting.Launcher.main(Launcher.java:420)
at hudson.remoting.Launcher.runWithStdinStdout(Launcher.java:366)
at hudson.remoting.Launcher.run(Launcher.java:206)
at hudson.remoting.Launcher.main(Launcher.java:168)
Ping thread for channel hudson.remoting.Channel@e1d5ea:channel
"Ping thread for channel hudson.remoting.Channel@e1d5ea:channel" Id=10
Group=main TIMED_WAITING
at java.lang.Thread.sleep(Native Method)
at hudson.remoting.PingThread.run(PingThread.java:86)
Pipe writer thread: channel
"Pipe writer thread: channel" Id=12 Group=main WAITING on
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@14263ed
at sun.misc.Unsafe.park(Native Method)
- waiting on
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@14263ed
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
pool-1-thread-267
"pool-1-thread-267" Id=285 Group=main RUNNABLE
at sun.management.ThreadImpl.dumpThreads0(Native Method)
at sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:374)
at hudson.Functions.getThreadInfos(Functions.java:872)
at
hudson.util.RemotingDiagnostics$GetThreadDump.call(RemotingDiagnostics.java:93)
at
hudson.util.RemotingDiagnostics$GetThreadDump.call(RemotingDiagnostics.java:89)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:287)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
Number of locked synchronizers = 1
- java.util.concurrent.locks.ReentrantLock$NonfairSync@1186f88
Finalizer
"Finalizer" Id=3 Group=system WAITING on
java.lang.ref.ReferenceQueue$Lock@1798fdd
at java.lang.Object.wait(Native Method)
- waiting on java.lang.ref.ReferenceQueue$Lock@1798fdd
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:132)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
Reference Handler
"Reference Handler" Id=2 Group=system WAITING on
java.lang.ref.Reference$Lock@1d40442
at java.lang.Object.wait(Native Method)
- waiting on java.lang.ref.Reference$Lock@1d40442
at java.lang.Object.wait(Object.java:485)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
Signal Dispatcher
"Signal Dispatcher" Id=4 Group=system RUNNABLE
Any ideas on how to better recover or prevent this would be greatly appreciated.
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