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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10284) o.a.h.hdfs.server.blockmanagement.TestBlockManagerSafeMode.testCheckSafeMode fails intermittently
Date Thu, 14 Apr 2016 02:01:25 GMT
Mingliang Liu created HDFS-10284:
------------------------------------

             Summary: o.a.h.hdfs.server.blockmanagement.TestBlockManagerSafeMode.testCheckSafeMode
fails intermittently
                 Key: HDFS-10284
                 URL: https://issues.apache.org/jira/browse/HDFS-10284
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: test
    Affects Versions: 2.9.0
            Reporter: Mingliang Liu
            Assignee: Mingliang Liu


*Stacktrace*

{code}
org.mockito.exceptions.misusing.UnfinishedStubbingException: 
Unfinished stubbing detected here:
-> at org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManagerSafeMode.testCheckSafeMode(TestBlockManagerSafeMode.java:169)

E.g. thenReturn() may be missing.
Examples of correct stubbing:
    when(mock.isOk()).thenReturn(true);
    when(mock.isOk()).thenThrow(exception);
    doThrow(exception).when(mock).someVoidMethod();
Hints:
 1. missing thenReturn()
 2. although stubbed methods may return mocks, you cannot inline mock creation (mock()) call
inside a thenReturn method (see issue 53)

	at org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManagerSafeMode.testCheckSafeMode(TestBlockManagerSafeMode.java:169)
{code}



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