Mohammad Kamrul Islam created MAPREDUCE-6139:
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Summary: ConcurrentModificationException in ContainerLogAppender
Key: MAPREDUCE-6139
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6139
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Mohammad Kamrul Islam
Assignee: Mohammad Kamrul Islam
Priority: Critical
Context:
* Hadoop-2.3.0
* Using Oozie 4.0.1
* Pig version 0.11.x
The job is submitted by Oozie to launch Pig script.
The following exception traces were found on MR task log:
In syslog:
{noformat}
2014-10-24 20:37:29,317 WARN [Thread-5]
org.apache.hadoop.util.ShutdownHookManager: ShutdownHook '' failed,
java.util.ConcurrentModificationException
java.util.ConcurrentModificationException
at
java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:966)
at java.util.LinkedList$ListItr.next(LinkedList.java:888)
at
org.apache.hadoop.yarn.ContainerLogAppender.close(ContainerLogAppender.java:94)
at
org.apache.log4j.helpers.AppenderAttachableImpl.removeAllAppenders(AppenderAttachableImpl.java:141)
at org.apache.log4j.Category.removeAllAppenders(Category.java:891)
at org.apache.log4j.Hierarchy.shutdown(Hierarchy.java:471)
at org.apache.log4j.LogManager.shutdown(LogManager.java:267)
at org.apache.hadoop.mapred.TaskLog.syncLogsShutdown(TaskLog.java:286)
at org.apache.hadoop.mapred.TaskLog$2.run(TaskLog.java:339)
at
org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54)
2014-10-24 20:37:29,395 INFO [main]
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping MapTask metrics
system...
{noformat}
in stderr:
{noformat}
java.util.ConcurrentModificationException
at
java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:966)
at java.util.LinkedList$ListItr.next(LinkedList.java:888)
at
org.apache.hadoop.yarn.ContainerLogAppender.close(ContainerLogAppender.java:94)
at
org.apache.log4j.helpers.AppenderAttachableImpl.removeAllAppenders(AppenderAttachableImpl.java:141)
at org.apache.log4j.Category.removeAllAppenders(Category.java:891)
at
org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:759)
at
org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:648)
at
org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:514)
at
org.apache.log4j.PropertyConfigurator.configure(PropertyConfigurator.java:440)
at org.apache.pig.Main.configureLog4J(Main.java:740)
at org.apache.pig.Main.run(Main.java:384)
at org.apache.pig.PigRunner.run(PigRunner.java:49)
at org.apache.oozie.action.hadoop.PigMain.runPigJob(PigMain.java:283)
at org.apache.oozie.action.hadoop.PigMain.run(PigMain.java:223)
at org.apache.oozie.action.hadoop.LauncherMain.run(LauncherMain.java:37)
at org.apache.oozie.action.hadoop.PigMain.main(PigMain.java:76)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at
org.apache.oozie.action.hadoop.LauncherMapper.map(LauncherMapper.java:226)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:430)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:167)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)
{noformat}
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