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https://issues.apache.org/jira/browse/SPARK-9439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14654376#comment-14654376
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Apache Spark commented on SPARK-9439:
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User 'squito' has created a pull request for this issue:
https://github.com/apache/spark/pull/7943
> ExternalShuffleService should be robust to NodeManager restarts in yarn
> -----------------------------------------------------------------------
>
> Key: SPARK-9439
> URL: https://issues.apache.org/jira/browse/SPARK-9439
> Project: Spark
> Issue Type: Bug
> Components: Shuffle
> Affects Versions: 1.4.1
> Reporter: Imran Rashid
> Priority: Critical
>
> Yarn applications should be robust to NodeManager restarts in general.
> However, if you run with the external shuffle service enabled, after a NM
> restart, you will observe failures like:
> {noformat}
> 2015-07-22 18:30:18,212 ERROR
> org.apache.spark.network.server.TransportRequestHandler: Error while invoking
> RpcHandler#receive() on RPC id 5405054848584757735
> java.lang.RuntimeException: Executor is not registered
> (appId=application_1437612356649_0008, execId=73)
> at
> org.apache.spark.network.shuffle.ExternalShuffleBlockManager.getBlockData(ExternalShuffleBlockManager.java:105)
> ...
> {noformat}
> This is because when the NM restarts (and restarts the
> ExternalShuffleService), it doesn't call
> {{ExternalShuffleBlockResolver#registerExecutor}}
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