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ASF GitHub Bot commented on YARN-5721: -------------------------------------- Github user zzvara commented on the issue: https://github.com/apache/hadoop/pull/139 Looks good and fixes the problem. > 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:668) > at > org.apache.hadoop.yarn.client.api.impl.AMRMClientImpl.getMatchingRequests(AMRMClientImpl.java:651) > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org