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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11418) Property "io.compression.codec.lzo.class" does not work with other value besides default
Date Tue, 03 Mar 2015 10:57:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14344923#comment-14344923
] 

Hadoop QA commented on HADOOP-11418:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12702130/HADOOP-11418-1.patch
  against trunk revision 4228de9.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-common-project/hadoop-common.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/5829//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/5829//console

This message is automatically generated.

> Property "io.compression.codec.lzo.class" does not work with other value besides default
> ----------------------------------------------------------------------------------------
>
>                 Key: HADOOP-11418
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11418
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>            Reporter: fang fang chen
>            Assignee: fang fang chen
>         Attachments: HADOOP-11418-1.patch, HADOOP-11418.patch
>
>
> From following code, seems "io.compression.codec.lzo.class" does not work for other codec
besides default. Hadoop will always treat it as defaultClazz. I think it is a bug. Please
let me know if this is a work as design thing. Thanks
>      77       private static final String defaultClazz =
>      78           "org.apache.hadoop.io.compress.LzoCodec";
>      82       public synchronized boolean isSupported() {
>      83         if (!checked) {
>      84           checked = true;
>      85           String extClazz =
>      86               (conf.get(CONF_LZO_CLASS) == null ? System
>      87                   .getProperty(CONF_LZO_CLASS) : null);
>      88           String clazz = (extClazz != null) ? extClazz : defaultClazz;



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