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From "Koji Noguchi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-2036) NPE in JvmMetrics.doThreadUpdates
Date Thu, 11 Oct 2007 23:12:50 GMT
NPE in JvmMetrics.doThreadUpdates
---------------------------------

                 Key: HADOOP-2036
                 URL: https://issues.apache.org/jira/browse/HADOOP-2036
             Project: Hadoop
          Issue Type: Bug
          Components: metrics
    Affects Versions: 0.14.1
            Reporter: Koji Noguchi


It showed on task's stderr.  Didn't fail the task directly.

java.lang.NullPointerException
at org.apache.hadoop.metrics.jvm.JvmMetrics.doThreadUpdates(JvmMetrics.java:129)
at org.apache.hadoop.metrics.jvm.JvmMetrics.doUpdates(JvmMetrics.java:79)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.timerEvent(AbstractMetricsContext.java:284)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.access$000(AbstractMetricsContext.java:50)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext$1.run(AbstractMetricsContext.java:249)
at java.util.TimerThread.mainLoop(Timer.java:512)
at java.util.TimerThread.run(Timer.java:462)

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