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Posted to yarn-issues@hadoop.apache.org by "Zoltán Zvara (JIRA)" <ji...@apache.org> on 2016/10/11 12:49:20 UTC
[jira] [Updated] (YARN-5721) NPE at
AMRMClientImpl.getMatchingRequests
[ https://issues.apache.org/jira/browse/YARN-5721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zoltán Zvara updated YARN-5721:
-------------------------------
Priority: Blocker (was: Critical)
> NPE at AMRMClientImpl.getMatchingRequests
> -----------------------------------------
>
> Key: YARN-5721
> URL: https://issues.apache.org/jira/browse/YARN-5721
> Project: Hadoop YARN
> Issue Type: Bug
> Components: api
> Environment: Tested on Windows 10, in Dockerized Linux containers & Ubuntu 16.04 with Java 7, Java 8.
> Reporter: Zoltán Zvara
> Priority: Blocker
>
> The following NPE was thrown using a Spark 2.1.0-SNAPSHOT (as client) by changing Hadoop dependency to the latest (by the time the ERROR has been generated).
> {{2016-10-10 11:33:53,392 ERROR yarn.ApplicationMaster: Uncaught exception:
> java.lang.NullPointerException
> at org.apache.hadoop.yarn.client.api.impl.AMRMClientImpl.getMatchingRequests(AMRMClientImpl.java:751)
> at org.apache.hadoop.yarn.client.api.impl.AMRMClientImpl.getMatchingRequests(AMRMClientImpl.java:734)
> at org.apache.spark.deploy.yarn.YarnAllocator.getPendingAtLocation(YarnAllocator.scala:210)
> at org.apache.spark.deploy.yarn.YarnAllocator.getPendingAllocate(YarnAllocator.scala:203)
> at org.apache.spark.deploy.yarn.YarnAllocator.updateResourceRequests(YarnAllocator.scala:318)
> at org.apache.spark.deploy.yarn.YarnAllocator.allocateResources(YarnAllocator.scala:278)
> at org.apache.spark.deploy.yarn.ApplicationMaster.registerAM(ApplicationMaster.scala:350)
> at org.apache.spark.deploy.yarn.ApplicationMaster.runExecutorLauncher(ApplicationMaster.scala:418)
> at org.apache.spark.deploy.yarn.ApplicationMaster.run(ApplicationMaster.scala:250)}}
> We've also pulled the latest code (1 hour ago) from the repository, and ran a test for {{getMatchingRequests}}. Same NPE has been encountered.
> {{getMatchingRequests}} should never throw an NPE even if it has been called right after the client has been started.
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