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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 Thu, 21 May 2015 12:52:01 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14554229#comment-14554229
] 

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

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  15m 17s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 1 new
or modified test files. |
| {color:green}+1{color} | javac |   7m 43s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  10m  3s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 23s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   1m 10s | The applied patch generated  1 new checkstyle
issues (total was 4, now 5). |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 37s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   1m 41s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | common tests |  23m 34s | Tests passed in hadoop-common. |
| | |  62m  6s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12734427/HADOOP-11418.005.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 0e4f108 |
| checkstyle |  https://builds.apache.org/job/PreCommit-HADOOP-Build/6792/artifact/patchprocess/diffcheckstylehadoop-common.txt
|
| hadoop-common test log | https://builds.apache.org/job/PreCommit-HADOOP-Build/6792/artifact/patchprocess/testrun_hadoop-common.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/6792/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf904.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep
3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/6792/console |


This message was 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
>    Affects Versions: 2.6.0
>            Reporter: fang fang chen
>            Assignee: fang fang chen
>              Labels: BB2015-05-RFC
>         Attachments: HADOOP-11418-004.patch, HADOOP-11418-1.patch, HADOOP-11418-2.patch,
HADOOP-11418-3.patch, HADOOP-11418.005.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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