Jenkins JIRA | Bismaya Mohapatra | 4 months ago
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    Exception shown at windows slave console during restart of tomcat

    Google Groups | 4 years ago | Varghese Renny
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    Hello, the process tree killer seems to fail on windows 7 while it works on a windows xp. I install todays Jenkins ver. 1.527, add a node which runs windows 7, add a new job that runs the batch command "start calc" (which creates a spawned process) and tie it to this node. The node connects to the master with java -jar slave.jar -jnlpUrl When i start the job the console output shows: d:\temp\workspace\1>start calc d:\temp\workspace\1>exit 0 Process leaked file descriptors. See for more information Finished: SUCCESS so far, so good On the slave, the calculator opens and stays open. The console running slave.jar says: Aug 14, 2013 5:22:56 PM hudson.Proc$LocalProc join WARNING: Process leaked file descriptors. See for more information java.lang.Exception at hudson.Proc$LocalProc.join( at hudson.Launcher$RemoteLaunchCallable$1.join( at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform( at hudson.remoting.RemoteInvocationHandler$ at hudson.remoting.RemoteInvocationHandler$ at hudson.remoting.UserRequest.perform( at hudson.remoting.UserRequest.perform( at hudson.remoting.Request$ at hudson.remoting.InterceptingExecutorService$ at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) at Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$ Source) at hudson.remoting.Engine$1$ at Source) This happens independently if i run java in a cmd.exe with or without admin privileges. If i execute the job on the master, the same happens. When i look into the process list with process explorer, the calc.exe has the BUILD_ID set. Can somebody reproduce this? Shouldn't the process tree killer find and terminate this process? Thanks!

    Jenkins JIRA | 3 years ago | Stefan Waigand

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    Root Cause Analysis

    1. java.lang.Exception

      No message provided

      at hudson.Proc$LocalProc.join()
    2. Hudson
      1. hudson.Proc$LocalProc.join(
      2. hudson.Launcher$RemoteLaunchCallable$1.join(
      2 frames
    3. Java RT
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      1 frame