[HDFS-7267] TestBalancer#testUnknownDatanode occasionally fails in trunk

• Type: Sub-task
• Status: Reopened
• Priority: Minor
• Resolution: Unresolved
• Component/s: test
• Assignee: Unassigned
• Reporter: Ted Yu
• Created: 20/Oct/14 14:54
• Updated: 07/Nov/20 03:24

Description

In build #1907 (https://builds.apache.org/job/Hadoop-Hdfs-trunk/1907/):

REGRESSION:  org.apache.hadoop.hdfs.server.balancer.TestBalancer.testUnknownDatanode

Error Message:
expected:<0> but was:<-3>

Stack Trace:
java.lang.AssertionError: expected:<0> but was:<-3>
        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.balancer.TestBalancer.testUnknownDatanode(TestBalancer.java:737)