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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 Thu, 29 Nov 2012 17:35:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13506611#comment-13506611
] 

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

Hi,

I noted that this changes the CompressionCodec interface, which would make it an incompatible
change for its users (as older code, downstream, would fail to compile as they now may be
missing a few method implementations).

Is it absolutely necessary to break compatibility to have just some information over this
exception?
                
> 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
>              Labels: patch
>         Attachments: HADOOP-8615.patch, HADOOP-8615-release-0.20.2.patch, HADOOP-8615-ver2.patch,
HADOOP-8615-ver3.patch
>
>
> 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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