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https://issues.apache.org/jira/browse/YARN-7890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16353243#comment-16353243
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Hudson commented on YARN-7890:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13615 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/13615/])
YARN-7890. NPE during container relaunch. Contributed by Jason Lowe (billie:
rev a196ee9362a1b35e5de20ee519f7c544ab1588e1)
* (add)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/TestContainerRelaunch.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/ContainerRelaunch.java
> NPE during container relaunch
> -----------------------------
>
> Key: YARN-7890
> URL: https://issues.apache.org/jira/browse/YARN-7890
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.9.0, 3.0.0-alpha1
> Reporter: Billie Rinaldi
> Assignee: Jason Lowe
> Priority: Major
> Attachments: YARN-7890.001.patch, YARN-7890.002.patch
>
>
> While running a recent build of trunk, I saw the following:
> {noformat}
> 2018-02-02 21:02:40,026 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerImpl:
> Container container_e02_1517604848419_0002_01_000004 transitioned from
> RELAUNCHING to RUNNING
> 2018-02-02 21:02:40,026 WARN
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerRelaunch:
> Failed to relaunch container.
> java.lang.NullPointerException
> at
> java.util.Collections$UnmodifiableCollection.<init>(Collections.java:1026)
> at
> java.util.Collections$UnmodifiableList.<init>(Collections.java:1302)
> at java.util.Collections.unmodifiableList(Collections.java:1287)
> at
> org.apache.hadoop.yarn.server.nodemanager.executor.ContainerStartContext.getFilecacheDirs(ContainerStartContext.java:200)
> at
> org.apache.hadoop.yarn.server.nodemanager.LinuxContainerExecutor.buildContainerRuntimeContext(LinuxContainerExecutor.java:651)
> at
> org.apache.hadoop.yarn.server.nodemanager.LinuxContainerExecutor.launchContainer(LinuxContainerExecutor.java:546)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.launchContainer(ContainerLaunch.java:465)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerRelaunch.call(ContainerRelaunch.java:107)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerRelaunch.call(ContainerRelaunch.java:49)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {noformat}
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