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https://issues.apache.org/jira/browse/YARN-6326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15935490#comment-15935490
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Hudson commented on YARN-6326:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11439 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/11439/])
YARN-6326. Shouldn't use AppAttemptIds to fetch applications while AM (rkanter:
rev cc938e99ec0904824c8072184eff75619fcaf040)
* (edit)
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/FairSchedulerMetrics.java
* (edit)
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SchedulerWrapper.java
* (edit)
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/ResourceSchedulerWrapper.java
* (edit)
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SchedulerMetrics.java
* (edit)
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/appmaster/AMSimulator.java
* (edit)
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSCapacityScheduler.java
* (edit)
hadoop-tools/hadoop-sls/src/test/java/org/apache/hadoop/yarn/sls/appmaster/TestAMSimulator.java
> Shouldn't use AppAttemptIds to fetch applications while AM Simulator tracks
> app in SLS
> --------------------------------------------------------------------------------------
>
> Key: YARN-6326
> URL: https://issues.apache.org/jira/browse/YARN-6326
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: scheduler-load-simulator
> Reporter: Yufei Gu
> Assignee: Yufei Gu
> Attachments: YARN-6326.001.patch, YARN-6326.002.patch,
> YARN-6326.003.patch, YARN-6326.004.patch, YARN-6326.005.patch
>
>
> This causes a NPE issue. Beside the NPE, the metrics won't reflect the
> different attempts. We should pass ApplicationId Instead of AppAttemptId. The
> NPE caused by the issue:
> {code}
> 2017-03-13 20:43:39,153 INFO appmaster.AMSimulator: Submit a new application
> application_1489463017173_0001
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler.getApplicationAttempt(AbstractYarnScheduler.java:327)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.getSchedulerApp(FairScheduler.java:1028)
> at
> org.apache.hadoop.yarn.sls.scheduler.FairSchedulerMetrics.trackApp(FairSchedulerMetrics.java:68)
> at
> org.apache.hadoop.yarn.sls.scheduler.ResourceSchedulerWrapper.addTrackedApp(ResourceSchedulerWrapper.java:799)
> at
> org.apache.hadoop.yarn.sls.appmaster.AMSimulator.trackApp(AMSimulator.java:338)
> at
> org.apache.hadoop.yarn.sls.appmaster.AMSimulator.firstStep(AMSimulator.java:156)
> at
> org.apache.hadoop.yarn.sls.scheduler.TaskRunner$Task.run(TaskRunner.java:90)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Exception in thread "pool-6-thread-1" java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.sls.scheduler.TaskRunner$Task.run(TaskRunner.java:105)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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