[YARN-7786] NullPointerException while launching ApplicationMaster

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.0, 3.0.0-beta1
• Fix Version/s: 2.10.0, 3.2.0, 3.1.1, 2.9.2, 3.0.3
• Target Version/s: 3.2.0, 3.1.1, 2.9.2, 3.0.3
• Hadoop Flags: Reviewed
• Assignee: lujie
• Reporter: lujie
• Created: 22/Jan/18 14:29
• Updated: 23/May/18 07:23
• Resolved: 20/Apr/18 18:34

Description

Before launching the ApplicationMaster, send kill command to the job, then some Null pointer appears:

2017-11-25 21:27:25,333 INFO org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher: Error launching appattempt_1511616410268_0001_000001. Got exception: java.lang.NullPointerException
 at org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher.setupTokens(AMLauncher.java:205)
 at org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher.createAMContainerLaunchContext(AMLauncher.java:193)
 at org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher.launch(AMLauncher.java:112)
 at org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher.run(AMLauncher.java:304)
 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)

Issue Links

• is broken by: YARN-65 Reduce RM app memory footprint once app has completed