Wei-Chiu Chuang created HDFS-10908:
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Summary: Improve StripedBlockReader#createBlockReader error logging
Key: HDFS-10908
URL: https://issues.apache.org/jira/browse/HDFS-10908
Project: Hadoop HDFS
Issue Type: Improvement
Components: erasure-coding
Reporter: Wei-Chiu Chuang
Priority: Minor
In {{StripedBlockReader#createBlockReader}} if any IOException is thrown, the
error is logged at debug level and then returns a null. This means in a typical
configuration an NPE may be thrown without logging a cause if the
StripedBlockReader object is accessed.
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