Hello,

We are running version 1.565.1. Jenkins freeze from time to time. We have
pasted what we get in the log. It does not make much sense to me.

Could someone advise please?

Thank you in advance.

SEVERE: Trying to unexport an object that's already unexported
java.lang.IllegalStateException: Invalid object ID 4 iota=12
    at hudson.remoting.ExportTable.diagnoseInvalidId(ExportTable.java:304)
    at hudson.remoting.ExportTable.unexportByOid(ExportTable.java:327)
    at hudson.remoting.Channel.unexport(Channel.java:600)
    at hudson.remoting.UnexportCommand.execute(UnexportCommand.java:38)
    at hudson.remoting.Channel$2.handle(Channel.java:475)
    at 
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:60)
Caused by: java.lang.Exception: Object was recently deallocated
    #4 (ref.0) : hudson.remoting.RemoteClassLoader$ClassLoaderProxy
      Created at Mon Nov 03 16:51:55 CET 2014
        at hudson.remoting.ExportTable$Entry.<init>(ExportTable.java:91)
        at hudson.remoting.ExportTable.export(ExportTable.java:266)
        at hudson.remoting.Channel.export(Channel.java:592)
        at 
hudson.remoting.RemoteClassLoader.exportId(RemoteClassLoader.java:676)
        at 
hudson.remoting.RemoteClassLoader$ClassLoaderProxy.fetch4(RemoteClassLoader.java:771)
        at 
hudson.remoting.RemoteClassLoader$ClassLoaderProxy.fetch3(RemoteClassLoader.java:799)
        at sun.reflect.GeneratedMethodAccessor22.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at 
hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:309)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at 
jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:679)
      Released at Mon Nov 03 16:57:30 CET 2014
        at hudson.remoting.ExportTable$Entry.release(ExportTable.java:125)
        at hudson.remoting.ExportTable.unexportByOid(ExportTable.java:332)
        at hudson.remoting.Channel.unexport(Channel.java:600)
        at hudson.remoting.UnexportCommand.execute(UnexportCommand.java:38)
        at hudson.remoting.Channel$2.handle(Channel.java:475)
        at 
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:60)
    Caused by: Command hudson.remoting.UnexportCommand@712d07bb created at
        at hudson.remoting.Command.<init>(Command.java:67)
        at hudson.remoting.Command.<init>(Command.java:50)
        at hudson.remoting.UnexportCommand.<init>(UnexportCommand.java:33)
        at 
hudson.remoting.RemoteInvocationHandler.finalize(RemoteInvocationHandler.java:221)
        at java.lang.System$2.invokeFinalize(System.java:1210)
        at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:98)
        at java.lang.ref.Finalizer.access$100(Finalizer.java:34)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:210)
    at hudson.remoting.ExportTable.diagnoseInvalidId(ExportTable.java:297)
Caused by:   Released at Mon Nov 03 16:57:30 CET 2014
    at hudson.remoting.ExportTable$Entry.release(ExportTable.java:125)
    at hudson.remoting.ExportTable.unexportByOid(ExportTable.java:332)
    ... 4 more
Caused by: Command hudson.remoting.UnexportCommand@712d07bb created at
    at hudson.remoting.Command.<init>(Command.java:67)
    at hudson.remoting.Command.<init>(Command.java:50)
    at hudson.remoting.UnexportCommand.<init>(UnexportCommand.java:33)
    at 
hudson.remoting.RemoteInvocationHandler.finalize(RemoteInvocationHandler.java:221)
    at java.lang.System$2.invokeFinalize(System.java:1210)
    at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:98)
    at java.lang.ref.Finalizer.access$100(Finalizer.java:34)
    at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:210)
Nov 3, 2014 4:57:30 PM hudson.remoting.ExportTable unexportByOid
SEVERE: 2nd unexport attempt is here
Command hudson.remoting.UnexportCommand@7459b168 created at
    at hudson.remoting.Command.<init>(Command.java:67)
    at hudson.remoting.Command.<init>(Command.java:50)
    at hudson.remoting.UnexportCommand.<init>(UnexportCommand.java:33)
    at 
hudson.remoting.RemoteInvocationHandler.finalize(RemoteInvocationHandler.java:221)
    at java.lang.System$2.invokeFinalize(System.java:1210)
    at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:98)
    at java.lang.ref.Finalizer.access$100(Finalizer.java:34)
    at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:210)

-- 
Somebody ran the operating system through a spelling checker.
    -- BOFH excuse #30

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