[HDFS-8772] Fix TestStandbyIsHot#testDatanodeRestarts which occasionally fails

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8.0, 2.7.3, 3.0.0-alpha1
• Assignee: Walter Su
• Reporter: Walter Su
• Created: 14/Jul/15 09:32
• Updated: 06/Jan/17 01:39
• Resolved: 07/Aug/15 16:53

Description

https://builds.apache.org/job/PreCommit-HDFS-Build/11596/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11598/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11599/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11600/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11606/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11608/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11612/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11618/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11650/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11655/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11659/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11663/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11664/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11667/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11669/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11676/testReport/
https://builds.apache.org/job/PreCommit-HDFS-Build/11677/testReport/

java.lang.AssertionError: expected:<0> but was:<4>
	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:555)
	at org.junit.Assert.assertEquals(Assert.java:542)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestStandbyIsHot.testDatanodeRestarts(TestStandbyIsHot.java:188)