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  1. Jenkins
  2. JENKINS-15717

InvalidClassException on SwapSpaceMonitor.MonitorTask

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      Description

      Hi,
      I am running jenkins v.1487 through tomcat7.
      I get the error

      WARNING: Failed to monitor user at slave for Free Swap Space
      java.io.InvalidClassException: hudson.node_monitors.SwapSpaceMonitor$MonitorTask; local class incompatible: stream classdesc serialVersionUID = 1, local class serialVersionUID = 1184166703664094906
      at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:562)
      at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1583)
      at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
      at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)
      at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
      at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)
      at hudson.remoting.UserRequest.perform(UserRequest.java:98)
      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(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)

      It seems that this is a bug. I am not familiar enough with jenkins to assess if it can cause great problems, or not.

      BR,
      David

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          Hide
          mikeliucc Mike Liu added a comment -

          same problem here... I was using v1.489 and just upgraded to v1.492. Issue still exists.

          Show
          mikeliucc Mike Liu added a comment - same problem here... I was using v1.489 and just upgraded to v1.492. Issue still exists.
          Hide
          hgomez Henri Gomez added a comment - - edited

          Any news about this one ?

          I'm using Jenkins 1.498, motorized by Tomcat 7.0.34, using Java 1.6.0-37.
          Slaves are controled by SSH and report as 2.20.

          Error reported :

          Jan 11, 2013 10:45:41 AM hudson.node_monitors.AbstractNodeMonitorDescriptor$Record run
          WARNING: Failed to monitor cdf-nexus-ptx for Free Swap Space
          java.io.InvalidClassException: hudson.node_monitors.SwapSpaceMonitor$MonitorTask; local class incompatible: stream classdesc serialVersionUID = 1, local class serialVersionUID = 1184166703664094906
          at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:560)
          at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1582)
          at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495)
          at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1731)
          at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
          at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
          at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)
          at hudson.remoting.UserRequest.perform(UserRequest.java:98)
          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(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:662)

          Show
          hgomez Henri Gomez added a comment - - edited Any news about this one ? I'm using Jenkins 1.498, motorized by Tomcat 7.0.34, using Java 1.6.0-37. Slaves are controled by SSH and report as 2.20. Error reported : Jan 11, 2013 10:45:41 AM hudson.node_monitors.AbstractNodeMonitorDescriptor$Record run WARNING: Failed to monitor cdf-nexus-ptx for Free Swap Space java.io.InvalidClassException: hudson.node_monitors.SwapSpaceMonitor$MonitorTask; local class incompatible: stream classdesc serialVersionUID = 1, local class serialVersionUID = 1184166703664094906 at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:560) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1582) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1731) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350) at hudson.remoting.UserRequest.deserialize(UserRequest.java:182) at hudson.remoting.UserRequest.perform(UserRequest.java:98) 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(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:662)
          Hide
          bduffy Brent Duffy added a comment -

          Seeing a similar error on Windows nodes after updating to Jenkins 1.480.3 LTS release. This did not occur with 1.466.2:

          WARNING: Failed to monitor winbuildnode1 for Free Swap Space
          java.io.IOException: Remote call on winbuildnode1 failed
          at hudson.remoting.Channel.call(Channel.java:681)
          at hudson.node_monitors.SwapSpaceMonitor$1.monitor(SwapSpaceMonitor.java:83)
          at hudson.node_monitors.SwapSpaceMonitor$1.monitor(SwapSpaceMonitor.java:81)
          at hudson.node_monitors.AbstractNodeMonitorDescriptor$Record.run(AbstractNodeMonitorDescriptor.java:202)
          Caused by: java.lang.UnsatisfiedLinkError: com.sun.jna.Native.malloc(J)J
          at com.sun.jna.Native.malloc(Native Method)
          at com.sun.jna.Memory.malloc(Memory.java:690)
          at com.sun.jna.Memory.<init>(Memory.java:79)
          at com.sun.jna.Structure$AutoAllocated.<init>(Structure.java:1366)
          at com.sun.jna.Structure.autoAllocate(Structure.java:231)
          at com.sun.jna.Structure.allocateMemory(Structure.java:302)
          at com.sun.jna.Structure.<init>(Structure.java:179)
          at com.sun.jna.Structure.<init>(Structure.java:169)
          at com.sun.jna.Structure.<init>(Structure.java:165)
          at com.sun.jna.Structure.<init>(Structure.java:156)
          at org.jvnet.hudson.Windows$MEMORYSTATUSEX.<init>(Windows.java:55)
          at org.jvnet.hudson.Windows.monitor(Windows.java:40)
          at hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113)
          at hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:99)
          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$Worker.runTask(Unknown Source)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
          at java.lang.Thread.run(Unknown Source)

          Show
          bduffy Brent Duffy added a comment - Seeing a similar error on Windows nodes after updating to Jenkins 1.480.3 LTS release. This did not occur with 1.466.2: WARNING: Failed to monitor winbuildnode1 for Free Swap Space java.io.IOException: Remote call on winbuildnode1 failed at hudson.remoting.Channel.call(Channel.java:681) at hudson.node_monitors.SwapSpaceMonitor$1.monitor(SwapSpaceMonitor.java:83) at hudson.node_monitors.SwapSpaceMonitor$1.monitor(SwapSpaceMonitor.java:81) at hudson.node_monitors.AbstractNodeMonitorDescriptor$Record.run(AbstractNodeMonitorDescriptor.java:202) Caused by: java.lang.UnsatisfiedLinkError: com.sun.jna.Native.malloc(J)J at com.sun.jna.Native.malloc(Native Method) at com.sun.jna.Memory.malloc(Memory.java:690) at com.sun.jna.Memory.<init>(Memory.java:79) at com.sun.jna.Structure$AutoAllocated.<init>(Structure.java:1366) at com.sun.jna.Structure.autoAllocate(Structure.java:231) at com.sun.jna.Structure.allocateMemory(Structure.java:302) at com.sun.jna.Structure.<init>(Structure.java:179) at com.sun.jna.Structure.<init>(Structure.java:169) at com.sun.jna.Structure.<init>(Structure.java:165) at com.sun.jna.Structure.<init>(Structure.java:156) at org.jvnet.hudson.Windows$MEMORYSTATUSEX.<init>(Windows.java:55) at org.jvnet.hudson.Windows.monitor(Windows.java:40) at hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113) at hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:99) 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$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)
          Hide
          jglick Jesse Glick added a comment -

          Reporters try running with a different slave remote FS root and/or a fresh copy of slave.jar. Looks to me like there is an old cache that has not been cleared. Either that or a buggy version of Java (which?).

          Show
          jglick Jesse Glick added a comment - Reporters try running with a different slave remote FS root and/or a fresh copy of slave.jar . Looks to me like there is an old cache that has not been cleared. Either that or a buggy version of Java (which?).
          Hide
          asmundo Asmund Ostvold added a comment -

          I am running on a FC 17 using rpm jenkins-1.513-1.1.noarch and slaves are all local on the computer. Only 1-2 out of the 18 nodes get this issue. Jenkins "node" are named ao1, ao2, ao3.... ao18 it is mostly ao1 and ao10 that get the issue. Current version on java used is:

          /usr/bin/java -version
          java version "1.7.0_19"
          OpenJDK Runtime Environment (fedora-2.3.9.1.fc17-x86_64)
          OpenJDK 64-Bit Server VM (build 23.7-b01, mixed mode)

          Reproducing steps:
          Remote FS root is /tmp/. I stopped Jenkins made sure there was not slave.jar in /tmp. Started Jenkins and I got the issue.

          For node ao1 I have issues with 2 monitoring values:

          Apr 30, 2013 8:13:58 PM hudson.node_monitors.AbstractNodeMonitorDescriptor$Record run
          WARNING: Failed to monitor ao1 for Free Swap Space
          java.io.InvalidClassException: hudson.node_monitors.SwapSpaceMonitor$MonitorTask; local class incompatible: stream classdesc serialVersionUID = 1, local class serialVersionUID = 1184166703664094906
          at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
          at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1620)
          at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1515)
          at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769)
          at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348)
          at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
          at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)
          at hudson.remoting.UserRequest.perform(UserRequest.java:98)
          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(FutureTask.java:334)
          at java.util.concurrent.FutureTask.run(FutureTask.java:166)
          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:722)

          Apr 30, 2013 8:13:58 PM hudson.node_monitors.AbstractNodeMonitorDescriptor$Record run
          WARNING: Failed to monitor ao1 for Free Temp Space
          hudson.util.IOException2: remote file operation failed: /tmp at hudson.remoting.Channel@35f5a0f0:ao1
          at hudson.FilePath.act(FilePath.java:900)
          at hudson.FilePath.act(FilePath.java:877)
          at hudson.node_monitors.TemporarySpaceMonitor$1.getFreeSpace(TemporarySpaceMonitor.java:73)
          at hudson.node_monitors.DiskSpaceMonitorDescriptor.monitor(DiskSpaceMonitorDescriptor.java:169)
          at hudson.node_monitors.DiskSpaceMonitorDescriptor.monitor(DiskSpaceMonitorDescriptor.java:49)
          at hudson.node_monitors.AbstractNodeMonitorDescriptor$Record.run(AbstractNodeMonitorDescriptor.java:246)
          Caused by: java.io.IOException: Remote call on ao1 failed
          at hudson.remoting.Channel.call(Channel.java:681)
          at hudson.FilePath.act(FilePath.java:893)
          ... 5 more
          Caused by: java.lang.Error: Failed to deserialize the Callable object.
          at hudson.remoting.UserRequest.perform(UserRequest.java:104)
          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(FutureTask.java:334)
          at java.util.concurrent.FutureTask.run(FutureTask.java:166)
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
          at java.lang.Thread.run(Thread.java:722)
          Caused by: java.lang.reflect.UndeclaredThrowableException
          at com.sun.proxy.$Proxy5.fetch2(Unknown Source)
          at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:127)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
          at java.lang.Class.getDeclaredMethods0(Native Method)
          at java.lang.Class.privateGetDeclaredMethods(Class.java:2451)
          at java.lang.Class.getDeclaredMethod(Class.java:1954)
          at java.io.ObjectStreamClass.getPrivateMethod(ObjectStreamClass.java:1411)
          at java.io.ObjectStreamClass.access$1700(ObjectStreamClass.java:69)
          at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:481)
          at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:455)
          at java.security.AccessController.doPrivileged(Native Method)
          at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:455)
          at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:352)
          at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:589)
          at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1620)
          at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1515)
          at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769)
          at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348)
          at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989)
          at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913)
          at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796)
          at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348)
          at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
          at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)
          at hudson.remoting.UserRequest.perform(UserRequest.java:98)
          ... 8 more
          Caused by: java.lang.InterruptedException
          at java.lang.Object.wait(Native Method)
          at hudson.remoting.Request.call(Request.java:146)
          at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:160)
          ... 34 more

          Show
          asmundo Asmund Ostvold added a comment - I am running on a FC 17 using rpm jenkins-1.513-1.1.noarch and slaves are all local on the computer. Only 1-2 out of the 18 nodes get this issue. Jenkins "node" are named ao1, ao2, ao3.... ao18 it is mostly ao1 and ao10 that get the issue. Current version on java used is: /usr/bin/java -version java version "1.7.0_19" OpenJDK Runtime Environment (fedora-2.3.9.1.fc17-x86_64) OpenJDK 64-Bit Server VM (build 23.7-b01, mixed mode) Reproducing steps: Remote FS root is /tmp/. I stopped Jenkins made sure there was not slave.jar in /tmp. Started Jenkins and I got the issue. For node ao1 I have issues with 2 monitoring values: Apr 30, 2013 8:13:58 PM hudson.node_monitors.AbstractNodeMonitorDescriptor$Record run WARNING: Failed to monitor ao1 for Free Swap Space java.io.InvalidClassException: hudson.node_monitors.SwapSpaceMonitor$MonitorTask; local class incompatible: stream classdesc serialVersionUID = 1, local class serialVersionUID = 1184166703664094906 at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1620) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1515) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) at hudson.remoting.UserRequest.deserialize(UserRequest.java:182) at hudson.remoting.UserRequest.perform(UserRequest.java:98) 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(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) Apr 30, 2013 8:13:58 PM hudson.node_monitors.AbstractNodeMonitorDescriptor$Record run WARNING: Failed to monitor ao1 for Free Temp Space hudson.util.IOException2: remote file operation failed: /tmp at hudson.remoting.Channel@35f5a0f0:ao1 at hudson.FilePath.act(FilePath.java:900) at hudson.FilePath.act(FilePath.java:877) at hudson.node_monitors.TemporarySpaceMonitor$1.getFreeSpace(TemporarySpaceMonitor.java:73) at hudson.node_monitors.DiskSpaceMonitorDescriptor.monitor(DiskSpaceMonitorDescriptor.java:169) at hudson.node_monitors.DiskSpaceMonitorDescriptor.monitor(DiskSpaceMonitorDescriptor.java:49) at hudson.node_monitors.AbstractNodeMonitorDescriptor$Record.run(AbstractNodeMonitorDescriptor.java:246) Caused by: java.io.IOException: Remote call on ao1 failed at hudson.remoting.Channel.call(Channel.java:681) at hudson.FilePath.act(FilePath.java:893) ... 5 more Caused by: java.lang.Error: Failed to deserialize the Callable object. at hudson.remoting.UserRequest.perform(UserRequest.java:104) 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(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.reflect.UndeclaredThrowableException at com.sun.proxy.$Proxy5.fetch2(Unknown Source) at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:127) at java.lang.ClassLoader.loadClass(ClassLoader.java:423) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2451) at java.lang.Class.getDeclaredMethod(Class.java:1954) at java.io.ObjectStreamClass.getPrivateMethod(ObjectStreamClass.java:1411) at java.io.ObjectStreamClass.access$1700(ObjectStreamClass.java:69) at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:481) at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:455) at java.security.AccessController.doPrivileged(Native Method) at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:455) at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:352) at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:589) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1620) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1515) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) at hudson.remoting.UserRequest.deserialize(UserRequest.java:182) at hudson.remoting.UserRequest.perform(UserRequest.java:98) ... 8 more Caused by: java.lang.InterruptedException at java.lang.Object.wait(Native Method) at hudson.remoting.Request.call(Request.java:146) at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:160) ... 34 more
          Hide
          kohsuke Kohsuke Kawaguchi added a comment -

          This is mysterious, as SwapSpaceMonitor$MonitorTask has serialVersionUID=1L since 2008 (or Hudson 1.312). So there's no jar in circulation that does not have the field.

          As unlikely as it is, I'm reluctantly suspecting some Java version having a problem. If you see InvalidClassException on SwapSpaceMonitor.MonitorTask please report your Java version of the slave. The slave name in question is reported in the error message.

          Show
          kohsuke Kohsuke Kawaguchi added a comment - This is mysterious, as SwapSpaceMonitor$MonitorTask has serialVersionUID=1L since 2008 (or Hudson 1.312). So there's no jar in circulation that does not have the field. As unlikely as it is, I'm reluctantly suspecting some Java version having a problem. If you see InvalidClassException on SwapSpaceMonitor.MonitorTask please report your Java version of the slave. The slave name in question is reported in the error message.
          Hide
          billy_foss Billy Foss added a comment -

          We are seeing this error after upgrading to LTS 1.509.1 and upgrading all plugins.

          Jun 22, 2013 10:56:01 AM hudson.node_monitors.AbstractNodeMonitorDescriptor$Record run
          WARNING: Failed to monitor bld-dav-lin-13 for Free Swap Space
          java.io.InvalidClassException: hudson.node_monitors.SwapSpaceMonitor$MonitorTask; local class incompatible: stream classdesc serialVersionUID = 1, local class serialVersionUID = 1184166703664094906
          at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:562)
          at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1583)
          at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
          at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)
          at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
          at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
          at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)
          at hudson.remoting.UserRequest.perform(UserRequest.java:98)
          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(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)

          When I check the java version of that machine, I see

          jenkins ~ >>> $ ssh -i /var/lib/jenkins/keys/id_rsa.for.jenkins builder@bld-dav-lin-13 java -version
          java version "1.4.2"
          gij (GNU libgcj) version 4.1.2 20080704 (Red Hat 4.1.2-54)

          Copyright (C) 2006 Free Software Foundation, Inc.
          This is free software; see the source for copying conditions. There is NO
          warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
          jenkins ~ >>> $

          We have Jenkins install a newer JDK for any real jobs, but the default java is the default from RHEL 5.x. Currently this slave is
          Red Hat Enterprise Linux Server release 5.9 (Tikanga)

          We have a number of build slaves configured this way, but only some are reporting that WARNING.

          Show
          billy_foss Billy Foss added a comment - We are seeing this error after upgrading to LTS 1.509.1 and upgrading all plugins. Jun 22, 2013 10:56:01 AM hudson.node_monitors.AbstractNodeMonitorDescriptor$Record run WARNING: Failed to monitor bld-dav-lin-13 for Free Swap Space java.io.InvalidClassException: hudson.node_monitors.SwapSpaceMonitor$MonitorTask; local class incompatible: stream classdesc serialVersionUID = 1, local class serialVersionUID = 1184166703664094906 at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:562) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1583) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351) at hudson.remoting.UserRequest.deserialize(UserRequest.java:182) at hudson.remoting.UserRequest.perform(UserRequest.java:98) 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(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) When I check the java version of that machine, I see jenkins ~ >>> $ ssh -i /var/lib/jenkins/keys/id_rsa.for.jenkins builder@bld-dav-lin-13 java -version java version "1.4.2" gij (GNU libgcj) version 4.1.2 20080704 (Red Hat 4.1.2-54) Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. jenkins ~ >>> $ We have Jenkins install a newer JDK for any real jobs, but the default java is the default from RHEL 5.x. Currently this slave is Red Hat Enterprise Linux Server release 5.9 (Tikanga) We have a number of build slaves configured this way, but only some are reporting that WARNING.
          Hide
          jglick Jesse Glick added a comment -

          Probably libgcj is buggy. Jenkins is not tested against the GNU Classpath runtime and is unlikely to work reliably in that environment.

          Show
          jglick Jesse Glick added a comment - Probably libgcj is buggy. Jenkins is not tested against the GNU Classpath runtime and is unlikely to work reliably in that environment.

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            • Assignee:
              Unassigned
              Reporter:
              michaelgang David Gang
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              • Created:
                Updated: