[HADOOP-2036] NPE in JvmMetrics.doThreadUpdates

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.14.1
• Fix Version/s: 0.14.3
• Component/s: metrics
• Assignee: Nigel Daley
• Reporter: Koji Noguchi
• Created: 11/Oct/07 23:12
• Updated: 15/Oct/07 17:16
• Resolved: 12/Oct/07 05:08

Description

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)