[TEZ-1632] NPE at TestPreemption.testPreemptionWithoutSession

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.5.2
• Hadoop Flags: Reviewed
• Assignee: Alexander Pivovarov
• Reporter: Alexander Pivovarov
• Created: 30/Sep/14 06:20
• Updated: 08/Nov/14 20:25
• Resolved: 16/Oct/14 22:43

Description

Some issues with multithreading
mockApp.getContext().getCurrentDAG() returns non-null value after 200-300ms.

$ mvn clean package
...
Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 9.566 sec <<< FAILURE!
testPreemptionWithoutSession(org.apache.tez.dag.app.TestPreemption)  Time elapsed: 0.182 sec  <<< ERROR!
java.lang.NullPointerException: null
	at org.apache.tez.dag.app.TestPreemption.testPreemptionWithoutSession(TestPreemption.java:105)

Running org.apache.tez.client.TestLocalMode