[HDFS-7471] TestDatanodeManager#testNumVersionsReportedCorrect occasionally fails

• Type: Test
• Status: Resolved
• Priority: Major
• Resolution: Cannot Reproduce
• Affects Version/s: 3.0.0-alpha1
• Component/s: test
• Labels: BB2015-05-TBR
• Target Version/s: 2.8.0
• Assignee: Binglin Chang
• Reporter: Ted Yu
• Created: 04/Dec/14 14:49
• Updated: 12/May/16 18:12
• Resolved: 11/May/15 14:37

Description

From https://builds.apache.org/job/Hadoop-Hdfs-trunk/1957/ :

FAILED:  org.apache.hadoop.hdfs.server.blockmanagement.TestDatanodeManager.testNumVersionsReportedCorrect

Error Message:
The map of version counts returned by DatanodeManager was not what it was expected to be on iteration 237 expected:<0> but was:<1>

Stack Trace:
java.lang.AssertionError: The map of version counts returned by DatanodeManager was not what it was expected to be on iteration 237 expected:<0> but was:<1>
        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.apache.hadoop.hdfs.server.blockmanagement.TestDatanodeManager.testNumVersionsReportedCorrect(TestDatanodeManager.java:150)

Issue Links

• is duplicated by: HDFS-7525 TestDatanodeManager.testNumVersionsReportedCorrect fails occassionally in trunk
• relates to: HDFS-3245 Add metrics and web UI for cluster version summary