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https://issues.apache.org/jira/browse/MAPREDUCE-58?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J resolved MAPREDUCE-58.
------------------------------
Resolution: Not A Problem
Does not occur in task launches anymore.
> Duplicate metric name getTask
> -----------------------------
>
> Key: MAPREDUCE-58
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-58
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Owen O'Malley
>
> I've been seeing the following error in some tasks:
> {noformat}
> org.apache.hadoop.ipc.RemoteException: java.io.IOException:
> java.lang.IllegalArgumentException: Duplicate metricsName:getTask
> at
> org.apache.hadoop.metrics.util.MetricsRegistry.add(MetricsRegistry.java:56)
> at
> org.apache.hadoop.metrics.util.MetricsTimeVaryingRate.<init>(MetricsTimeVaryingRate.java:89)
> at
> org.apache.hadoop.metrics.util.MetricsTimeVaryingRate.<init>(MetricsTimeVaryingRate.java:99)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:522)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
> at org.apache.hadoop.ipc.Client.call(Client.java:736)
> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
> at $Proxy0.getTask(Unknown Source)
> at org.apache.hadoop.mapred.Child.main(Child.java:109)
> {noformat}
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