[YARN-7890] NPE during container relaunch

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.0, 3.0.0-alpha1
• Fix Version/s: 3.1.0, 2.10.0, 2.9.1, 3.0.1
• Target Version/s: 3.1.0, 2.10.0, 2.9.1, 3.0.1
• Assignee: Jason Darrell Lowe
• Reporter: Billie Rinaldi
• Created: 03/Feb/18 21:10
• Updated: 07/Feb/18 15:15
• Resolved: 07/Feb/18 15:15

Description

While running a recent build of trunk, I saw the following:

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)

Issue Links

• is broken by: YARN-5298 Mount usercache and NM filecache directories into Docker container