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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8615) EOFException in DecompressorStream.java needs to be more verbose
Date Tue, 24 Jul 2012 18:39:34 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13421629#comment-13421629
] 

Harsh J commented on HADOOP-8615:
---------------------------------

bq. The best solution I can think of - Perhaps creators of DecompressionStream's should catch
EOFException and then print out detailed debug information.

I agree with this. IMO, this would be the right way to do it. What expects it, ought to log/print
it properly.

Jeff/Tim - Any chances of a patch with the above approach? For the MR side though, I've added
in MAPREDUCE-3678 to at least know what file you were dealing with.
                
> EOFException in DecompressorStream.java needs to be more verbose
> ----------------------------------------------------------------
>
>                 Key: HADOOP-8615
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8615
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 0.20.2
>            Reporter: Jeff Lord
>
> In ./src/core/org/apache/hadoop/io/compress/DecompressorStream.java
> The following exception should at least pass back the file that it encounters this error
in relation to:
>   protected void getCompressedData() throws IOException {
>     checkStream();
>     int n = in.read(buffer, 0, buffer.length);
>     if (n == -1) {
>       throw new EOFException("Unexpected end of input stream");
>     }
> This would help greatly to debug bad/corrupt files.

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