Huned Lokhandwala created HDFS-4590:
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Summary: Add more Unit Test Case for HDFS-3701 HDFS Miss Final
Block Reading when File is Open for Write
Key: HDFS-4590
URL: https://issues.apache.org/jira/browse/HDFS-4590
Project: Hadoop HDFS
Issue Type: Test
Components: hdfs-client
Affects Versions: 1.0.3
Environment: Java Unit Test Case
Reporter: Huned Lokhandwala
Priority: Minor
Fix For: 1.1.0
Add more Java Unit Test Coverage for the feature HDFS-3701 where the file is
opened for writing, the DFSClient calls one of the datanode owning the last
block to get its size. If this datanode is dead, the socket exception is
shallowed and the size of this last block is equals to zero. Add a unit test
case to write to a file, shutdown the datanodes, and then try to read from the
file and expect an Exception. On 1.1.0 it will produce the exception as
expected, but on 1.0.3 it will return a file length of zero after read.
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