Bikas Saha created MAPREDUCE-4657:
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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.
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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
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