Jing Zhao created HDFS-3927:
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Summary: DFSInputStream#blockSeekTo may print incorrect warn msg
for IOException
Key: HDFS-3927
URL: https://issues.apache.org/jira/browse/HDFS-3927
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 3.0.0
Reporter: Jing Zhao
Assignee: Jing Zhao
Priority: Minor
In DFSInputStream#blockSeekTo, for most IOExceptions (except
InvalidEncryptionKeyException and InvalidBlockTokenException), the current code
only prints "Failed to connect to targetAddr", which can be incorrect since
there are other possible cases, e.g., the chosen node (remote/local) can be
connected but the block/replica cannot be found. The correct error msg
(including the error msg from remote node) should be printed to log.
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