[YARN-4548] TestCapacityScheduler.testRecoverRequestAfterPreemption fails with NPE

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Done
• Component/s: resourcemanager
• Assignee: Unassigned
• Reporter: Akihiro Suda
• Created: 06/Jan/16 07:22
• Updated: 27/Jan/16 06:43
• Resolved: 27/Jan/16 06:43

Description

testRecoverRequestAfterPreemption(org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacityScheduler)  Time elapsed: 5.552 sec 
<<< ERROR!
java.lang.NullPointerException: null
       at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacityScheduler.testRecoverRequestAfterPreemption(TestCapacitySch
eduler.java:1263)

https://github.com/apache/hadoop/blob/d36b6e045f317c94e97cb41a163aa974d161a404/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java#L1260-L1263

Jenkins also hit this two months ago: https://mail-archives.apache.org/mod_mbox/hadoop-yarn-dev/201510.mbox/%3C1100047319.7290.1446252743553.JavaMail.jenkins@crius%3E

My Hadoop version: 4e4b3a8465a8433e78e015cb1ce7e0dc1ebeb523 (Dec 30, 2015)