TestDFSConcurrentFileOperations broken in 0.20-appendj
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Key: HDFS-1252
URL: https://issues.apache.org/jira/browse/HDFS-1252
Project: Hadoop HDFS
Issue Type: Test
Components: test
Affects Versions: 0.20-append
Reporter: Todd Lipcon
Assignee: Todd Lipcon
Fix For: 0.20-append
This test currently has several flaws:
- It calls DN.updateBlock with a BlockInfo instance, which then causes
java.lang.RuntimeException: java.lang.NoSuchMethodException:
org.apache.hadoop.hdfs.server.namenode.BlocksMap$BlockInfo.<init>() in the logs
when the DN tries to send blockReceived for the block
- It assumes that getBlockLocations returns an up-to-date length block after a
sync, which is false. It happens to work because it calls getBlockLocations
directly on the NN, and thus gets a direct reference to the block in the
blockmap, which later gets updated
This patch fixes this test to use the AppendTestUtil functions to intiiate
recovery, and generally pass more reliably.
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