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https://issues.apache.org/jira/browse/YARN-9179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16735730#comment-16735730
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Akira Ajisaka commented on YARN-9179:
-------------------------------------
01 patch
* Add null check to avoid NPE
* Avoid JSON parsing as possible
> TestAMRMClient crashes
> ----------------------
>
> Key: YARN-9179
> URL: https://issues.apache.org/jira/browse/YARN-9179
> Project: Hadoop YARN
> Issue Type: Bug
> Components: test
> Reporter: Akira Ajisaka
> Assignee: Akira Ajisaka
> Priority: Major
> Attachments: YARN-9179.01.patch
>
>
> {noformat}
> [ERROR] Error occurred in starting fork, check output in log
> [ERROR] Process Exit Code: 255
> [ERROR] Crashed tests:
> [ERROR] org.apache.hadoop.yarn.client.api.impl.TestAMRMClient
> [ERROR] at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:670)
> [ERROR] at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter.access$600(ForkStarter.java:116)
> [ERROR] at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter$2.call(ForkStarter.java:445)
> [ERROR] at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter$2.call(ForkStarter.java:421)
> [ERROR] at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> [ERROR] at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> [ERROR] at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> [ERROR] at java.lang.Thread.run(Thread.java:748)
> {noformat}
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