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Change By:
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Marcus Jacobsson
(21/May/13 10:50 AM)
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Description:
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Jenkins slaves running on Windows have a tendency to deadlock when programs are sending a lot of data simultaneously.
Reading the threaddump from VisualVM we can see that proc.java tries to
write to deadlock stream resulting in hanging builds
"""
String msg = "Process leaked file descriptors. See http://wiki.jenkins-ci.org/display/JENKINS/Spawning+processes+from+build for more information";
Throwable e = new Exception().fillInStackTrace();
LOGGER.log(Level.WARNING,msg,e);
"""
{code}
"pool-1-thread-833" - Thread t@1926010
java.lang.Thread.State: BLOCKED
at java.util.logging.StreamHandler.publish(Unknown Source)
- waiting to lock <1502546> (a java.util.logging.ConsoleHandler) owned by "pool-1-thread-927" t@1926604
at java.util.logging.ConsoleHandler.publish(Unknown Source)
at java.util.logging.Logger.log(Unknown Source)
at java.util.logging.Logger.doLog(Unknown Source)
at java.util.logging.Logger.log(Unknown Source)
at hudson.Proc$LocalProc.join(Proc.java:330)
at hudson.Launcher$RemoteLaunchCallable$1.join(Launcher.java:993)
at sun.reflect.GeneratedMethodAccessor127.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:275)
at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:256)
at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:215)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:326)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at hudson.remoting.Engine$1$1.run(Engine.java:58)
at java.lang.Thread.run(Unknown Source)
{code}
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