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Hudson commented on YARN-3241: ------------------------------ FAILURE: Integrated in Hadoop-Yarn-trunk #876 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/876/]) YARN-3241. FairScheduler handles invalid queue names inconsistently. (Zhihai Xu via kasha) (kasha: rev 2bc097cd14692e6ceb06bff959f28531534eb307) * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/AllocationFileLoaderService.java * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestAllocationFileLoaderService.java * hadoop-yarn-project/CHANGES.txt * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestQueueManager.java * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/QueueManager.java * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/InvalidQueueNameException.java > FairScheduler handles "invalid" queue names inconsistently > ---------------------------------------------------------- > > Key: YARN-3241 > URL: https://issues.apache.org/jira/browse/YARN-3241 > Project: Hadoop YARN > Issue Type: Bug > Components: fairscheduler > Reporter: zhihai xu > Assignee: zhihai xu > Fix For: 2.8.0 > > Attachments: YARN-3241.000.patch, YARN-3241.001.patch, > YARN-3241.002.patch > > > Leading space, trailing space and empty sub queue name may cause > MetricsException(Metrics source XXX already exists! ) when add application to > FairScheduler. > The reason is because QueueMetrics parse the queue name different from the > QueueManager. > QueueMetrics use Q_SPLITTER to parse queue name, it will remove Leading space > and trailing space in the sub queue name, It will also remove empty sub queue > name. > {code} > static final Splitter Q_SPLITTER = > Splitter.on('.').omitEmptyStrings().trimResults(); > {code} > But QueueManager won't remove Leading space, trailing space and empty sub > queue name. > This will cause out of sync between FSQueue and FSQueueMetrics. > QueueManager will think two queue names are different so it will try to > create a new queue. > But FSQueueMetrics will treat these two queue names as same queue which will > create "Metrics source XXX already exists!" MetricsException. -- This message was sent by Atlassian JIRA (v6.3.4#6332)