[HDFS-12122] TestEditLogTailer is flaky

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Cannot Reproduce
• Affects Version/s: 3.0.0-alpha4
• Component/s: namenode
• Labels: flaky-test

Release Note

I could not reproduce this. I did not see it in the Qbt reports either.
Without logs there is no point of keeping this opened.

• Assignee: Unassigned
• Reporter: John Zhuge
• Created: 11/Jul/17 16:55
• Updated: 27/Oct/20 12:01
• Resolved: 23/Oct/20 03:44

Description

https://builds.apache.org/job/PreCommit-HDFS-Build/20225/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt

Tests run: 12, Failures: 5, Errors: 0, Skipped: 0, Time elapsed: 46.901 sec <<< FAILURE! - in org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer
testTriggersLogRollsForAllStandbyNN[0](org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer)  Time elapsed: 10.728 sec  <<< FAILURE!
java.lang.AssertionError: Test resulted in an unexpected exit
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1957)
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1944)
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1937)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer.testTriggersLogRollsForAllStandbyNN(TestEditLogTailer.java:245)

testNN1TriggersLogRolls[1](org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer)  Time elapsed: 0.394 sec  <<< FAILURE!
java.lang.AssertionError: Test resulted in an unexpected exit
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1957)
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1944)
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1937)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer.testStandbyTriggersLogRolls(TestEditLogTailer.java:201)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer.testNN1TriggersLogRolls(TestEditLogTailer.java:154)

testNN2TriggersLogRolls[1](org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer)  Time elapsed: 1.287 sec  <<< FAILURE!
java.lang.AssertionError: Test resulted in an unexpected exit
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1957)
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1944)
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1937)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer.testStandbyTriggersLogRolls(TestEditLogTailer.java:201)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer.testNN2TriggersLogRolls(TestEditLogTailer.java:159)

testNN0TriggersLogRolls[1](org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer)  Time elapsed: 1.286 sec  <<< FAILURE!
java.lang.AssertionError: Test resulted in an unexpected exit
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1957)
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1944)
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1937)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer.testStandbyTriggersLogRolls(TestEditLogTailer.java:201)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer.testNN0TriggersLogRolls(TestEditLogTailer.java:149)

testTriggersLogRollsForAllStandbyNN[1](org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer)  Time elapsed: 10.469 sec  <<< FAILURE!
java.lang.AssertionError: Test resulted in an unexpected exit
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1957)
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1944)
	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1937)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer.testTriggersLogRollsForAllStandbyNN(TestEditLogTailer.java:245)