zhaoyunjiong created MAPREDUCE-5260:
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Summary: Job failed because of JvmManager running into
inconsistent state
Key: MAPREDUCE-5260
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5260
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: tasktracker
Affects Versions: 1.1.2
Reporter: zhaoyunjiong
Fix For: 1.1.3
In our cluster, jobs failed due to randomly task initialization failed because
of JvmManager running into inconsistent state and TaskTracker failed to exit:
java.lang.Throwable: Child Error
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
Caused by: java.lang.NullPointerException
at
org.apache.hadoop.mapred.JvmManager$JvmManagerForType.getDetails(JvmManager.java:402)
at
org.apache.hadoop.mapred.JvmManager$JvmManagerForType.reapJvm(JvmManager.java:387)
at
org.apache.hadoop.mapred.JvmManager$JvmManagerForType.access$000(JvmManager.java:192)
at org.apache.hadoop.mapred.JvmManager.launchJvm(JvmManager.java:125)
at
org.apache.hadoop.mapred.TaskRunner.launchJvmAndWait(TaskRunner.java:292)
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:251)
-------
java.lang.Throwable: Child Error
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
Caused by: java.lang.NullPointerException
at
org.apache.hadoop.mapred.JvmManager$JvmManagerForType.getDetails(JvmManager.java:402)
at
org.apache.hadoop.mapred.JvmManager$JvmManagerForType.reapJvm(JvmManager.java:387)
at
org.apache.hadoop.mapred.JvmManager$JvmManagerForType.access$000(JvmManager.java:192)
at org.apache.hadoop.mapred.JvmManager.launchJvm(JvmManager.java:125)
at
org.apache.hadoop.mapred.TaskRunner.launchJvmAndWait(TaskRunner.java:292)
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:251)
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