Andrew Wang created HDFS-4751:
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Summary: TestLeaseRenewer#testThreadName flakes
Key: HDFS-4751
URL: https://issues.apache.org/jira/browse/HDFS-4751
Project: Hadoop HDFS
Issue Type: Bug
Components: test
Affects Versions: 3.0.0, 2.0.5-beta
Reporter: Andrew Wang
Assignee: Andrew Wang
Priority: Minor
Seen internally and during upstream trunk builds, error like the following:
{noformat}
Error Message:
Unfinished stubbing detected here: -> at
org.apache.hadoop.hdfs.TestLeaseRenewer.testThreadName(TestLeaseRenewer.java:197)
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)
Stack Trace:
org.mockito.exceptions.misusing.UnfinishedStubbingException:
Unfinished stubbing detected here:
-> at
org.apache.hadoop.hdfs.TestLeaseRenewer.testThreadName(TestLeaseRenewer.java:197)
{noformat}
I believe it's due to mocking while being concurrently accessed by another
thread.
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