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Hudson commented on YARN-3006: ------------------------------ FAILURE: Integrated in Hadoop-Yarn-trunk #915 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/915/]) YARN-3006. Improve the error message when attempting manual failover with auto-failover enabled. (Akira AJISAKA via wangda) (wangda: rev 7d46a806e71de6692cd230e64e7de18a8252019d) * hadoop-yarn-project/CHANGES.txt * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/HAAdmin.java > Improve the error message when attempting manual failover with auto-failover > enabled > ------------------------------------------------------------------------------------ > > Key: YARN-3006 > URL: https://issues.apache.org/jira/browse/YARN-3006 > Project: Hadoop YARN > Issue Type: Improvement > Affects Versions: 2.6.0 > Reporter: Akira AJISAKA > Assignee: Akira AJISAKA > Priority: Minor > Fix For: 2.8.0, 2.7.1 > > Attachments: YARN-3006.001.patch > > > When executing manual failover with automatic failover enabled, > UnsupportedOperationException is thrown. > {code} > # yarn rmadmin -failover rm1 rm2 > Exception in thread "main" java.lang.UnsupportedOperationException: > RMHAServiceTarget doesn't have a corresponding ZKFC address > at > org.apache.hadoop.yarn.client.RMHAServiceTarget.getZKFCAddress(RMHAServiceTarget.java:51) > at > org.apache.hadoop.ha.HAServiceTarget.getZKFCProxy(HAServiceTarget.java:94) > at > org.apache.hadoop.ha.HAAdmin.gracefulFailoverThroughZKFCs(HAAdmin.java:311) > at org.apache.hadoop.ha.HAAdmin.failover(HAAdmin.java:282) > at org.apache.hadoop.ha.HAAdmin.runCmd(HAAdmin.java:449) > at org.apache.hadoop.ha.HAAdmin.run(HAAdmin.java:378) > at org.apache.hadoop.yarn.client.cli.RMAdminCLI.run(RMAdminCLI.java:482) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84) > at > org.apache.hadoop.yarn.client.cli.RMAdminCLI.main(RMAdminCLI.java:622) > {code} > I'm thinking the above message is confusing to users. (Users may think > whether ZKFC is configured correctly...) The command should output error > message to stderr instead of throwing Exception. -- This message was sent by Atlassian JIRA (v6.3.4#6332)