Xiaoyu Yao created HDFS-9354:
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Summary: Fix TestBalancer#testBalancerWithZeroThreadsForMove on
Windows
Key: HDFS-9354
URL: https://issues.apache.org/jira/browse/HDFS-9354
Project: Hadoop HDFS
Issue Type: Test
Reporter: Xiaoyu Yao
Assignee: Xiaoyu Yao
This negative test expect HadoopIllegalArgumentException on illegal
configuration. It uses JUnit (expected=HadoopIllegalArgumentException.class)
and passed fine on Linux.
On windows, this test passes as well. But it left open handles on NN metadata
directories used by MiniDFSCluster. As a result, quite a few of subsequent
TestBalancer unit tests can't start MiniDFSCluster. The open handles prevents
them from cleaning up NN metadata directories on Windows.
This JIRA is opened to explicitly catch the Exception and ensure the test
cluster is properly shutdown.
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