[TEZ-2852] TestVertexImpl fails due to race in AsyncDispatcher

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 0.7.2, 0.9.0, 0.8.5
• Assignee: Zhiyuan Yang
• Reporter: Jeff Zhang
• Created: 24/Sep/15 13:32
• Updated: 14/Mar/17 03:50
• Resolved: 25/Aug/16 22:00

Description

https://builds.apache.org/job/Tez-Build-Hadoop-2.4/176/console

Running org.apache.tez.dag.app.dag.impl.TestVertexImpl
Tests run: 90, Failures: 1, Errors: 0, Skipped: 1, Time elapsed: 5.632 sec <<< FAILURE!
testVertexTaskAttemptOutputFailure(org.apache.tez.dag.app.dag.impl.TestVertexImpl)  Time elapsed: 0.049 sec  <<< FAILURE!
java.lang.AssertionError: expected:<OUTPUT_WRITE_ERROR> but was:<UNKNOWN_ERROR>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:743)
	at org.junit.Assert.assertEquals(Assert.java:118)
	at org.junit.Assert.assertEquals(Assert.java:144)
	at org.apache.tez.dag.app.dag.impl.TestVertexImpl.testVertexTaskAttemptOutputFailure(TestVertexImpl.java:3452)

Issue Links

• duplicates: TEZ-3423 Test Failures on TestVertexImpl
• is broken by: YARN-5436 Race in AsyncDispatcher can cause random test failures in Tez (probably YARN also)