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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-11042) CryptoInputStream throwing wrong exception class on erros
Date Mon, 01 Sep 2014 11:18:21 GMT
Steve Loughran created HADOOP-11042:
---------------------------------------

             Summary: CryptoInputStream throwing wrong exception class on erros
                 Key: HADOOP-11042
                 URL: https://issues.apache.org/jira/browse/HADOOP-11042
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs
    Affects Versions: 3.0.0
            Reporter: Steve Loughran


Having had a quick look at the {{CryptoInputStream}} class, it's not in sync with all the
other filesystem's exception logic, as specified in {{src/site/markdown/filesystem/fsdatainputstream.md}}

Operations MUST throw an {{IOException}} on out of bounds reads, ideally {{EOFException}}
:
# {{read(byte[] b, int off, int len)}} 
# {{seek(long pos) }}
# {{seekToNewSource}}

The tests you want to extend to verify expected behaviour are in {{AbstractContractOpenTest}}
and {{AbstractContractSeekTest}}

also, the {{HasEnhancedByteBufferAccess}} implementations may want to think about using {{checkStream()}}
before acting on a potentially closed stream.



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