[MAPREDUCE-408] TestKillSubProcesses fails with assertion failure sometimes

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.21.0
• Fix Version/s: 0.21.0
• Component/s: test
• Hadoop Flags: Reviewed
• Release Note: Fixed a bug in the testcase TestKillSubProcesses.
• Assignee: Ravi Gummadi
• Reporter: Amareshwari Sriramadasu
• Created: 15/Jun/09 05:16
• Updated: 24/Aug/10 21:13
• Resolved: 04/Aug/09 07:53

Description

org.apache.hadoop.mapred.TestKillSubProcesses.testJobKillFailAndSucceed fails sometimes with following error Message:

Unexpected: The subprocess at level 3 in the subtree is not alive before Job completion

Stacktrace

junit.framework.AssertionFailedError: Unexpected: The subprocess at level 3 in the subtree is not alive before Job completion
	at org.apache.hadoop.mapred.TestKillSubProcesses.runJobAndSetProcessHandle(TestKillSubProcesses.java:221)
	at org.apache.hadoop.mapred.TestKillSubProcesses.runFailingJobAndValidate(TestKillSubProcesses.java:112)
	at org.apache.hadoop.mapred.TestKillSubProcesses.runTests(TestKillSubProcesses.java:327)
	at org.apache.hadoop.mapred.TestKillSubProcesses.testJobKillFailAndSucceed(TestKillSubProcesses.java:310)

one such failure at http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/495/testReport/org.apache.hadoop.mapred/TestKillSubProcesses/testJobKillFailAndSucceed/