Chuan Liu created HDFS-5100:
-------------------------------
Summary: TestNamenodeRetryCache fails on Windows due to incorrect
cleanup
Key: HDFS-5100
URL: https://issues.apache.org/jira/browse/HDFS-5100
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 3.0.0, 2.3.0
Reporter: Chuan Liu
Assignee: Chuan Liu
Priority: Minor
The test case fails on Windows with the following exceptions.
{noformat}
java.io.IOException: Could not fully delete
C:\hdc\hadoop-hdfs-project\hadoop-hdfs\target\test\data\dfs\name1
at
org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:759)
at
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:644)
at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:334)
at
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:316)
at
org.apache.hadoop.hdfs.server.namenode.ha.TestInitializeSharedEdits.setupCluster(TestInitializeSharedEdits.java:68)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
...
{noformat}
The root cause is that the {{cleanup()}} only try to delete root directory
instead of shutting down the MiniDFSCluster. Every test case in this unit test
will create a new MiniDFSCluster during {{setup()}} step. Without shutting down
the previous cluster, the new cluster creation will fail with the above
exception due to blocking file handling on Windows.
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