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Posted to hdfs-issues@hadoop.apache.org by "Wei-Chiu Chuang (JIRA)" <ji...@apache.org> on 2016/09/27 13:07:21 UTC

[jira] [Created] (HDFS-10908) Improve StripedBlockReader#createBlockReader error logging

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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