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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4657) WindowsResourceCalculatorPlugin has NPE
Date Thu, 13 Sep 2012 22:32:07 GMT
Bikas Saha created MAPREDUCE-4657:
-------------------------------------

             Summary: WindowsResourceCalculatorPlugin has NPE
                 Key: MAPREDUCE-4657
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4657
             Project: Hadoop Map/Reduce
          Issue Type: Bug
            Reporter: Bikas Saha
            Priority: Minor


When Shell command execution is interrupted then WindowsResourceCalculatorPlugin has NPE.
code}
2012-08-31 13:01:00,140 ERROR [Thread-771] util.WindowsResourceCalculatorPlugin(69): java.io.IOException:
java.lang.InterruptedException^M
        at org.apache.hadoop.util.Shell.runCommand(Shell.java:424)^M
        at org.apache.hadoop.util.Shell.run(Shell.java:336)^M
        at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:540)^M
        at org.apache.hadoop.util.WindowsResourceCalculatorPlugin.getSystemInfoInfoFromShell(WindowsResourceCalculatorPlugin.java:66)^M
        at org.apache.hadoop.util.WindowsResourceCalculatorPlugin.refreshIfNeeded(WindowsResourceCalculatorPlugin.java:81)^M
        at org.apache.hadoop.util.WindowsResourceCalculatorPlugin.getAvailableVirtualMemorySize(WindowsResourceCalculatorPlugin.java:126)^M
        at org.apache.hadoop.mapred.TaskTracker.getAvailableVirtualMemoryOnTT(TaskTracker.java:1933)^M
        at org.apache.hadoop.mapred.TaskTracker.transmitHeartBeat(TaskTracker.java:1834)^M
        at org.apache.hadoop.mapred.TaskTracker.offerService(TaskTracker.java:1664)^M
        at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:2516)^M
        at org.apache.hadoop.mapred.MiniMRCluster$TaskTrackerRunner.run(MiniMRCluster.java:217)^M
        at java.lang.Thread.run(Thread.java:662)^M
^M
2012-08-31 13:01:00,140 ERROR [Thread-771] mapred.TaskTracker(1766): Caught exception: java.lang.NullPointerException^M
        at org.apache.hadoop.util.WindowsResourceCalculatorPlugin.refreshIfNeeded(WindowsResourceCalculatorPlugin.java:83)^M
        at org.apache.hadoop.util.WindowsResourceCalculatorPlugin.getAvailableVirtualMemorySize(WindowsResourceCalculatorPlugin.java:126)^M
        at org.apache.hadoop.mapred.TaskTracker.getAvailableVirtualMemoryOnTT(TaskTracker.java:1933)^M
        at org.apache.hadoop.mapred.TaskTracker.transmitHeartBeat(TaskTracker.java:1834)^M
        at org.apache.hadoop.mapred.TaskTracker.offerService(TaskTracker.java:1664)^M
        at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:2516)^M
        at org.apache.hadoop.mapred.MiniMRCluster$TaskTrackerRunner.run(MiniMRCluster.java:217)^M
        at java.lang.Thread.run(Thread.java:662)^M
{code}

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