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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12191) Bzip2Factory is not thread safe
Date Mon, 06 Jul 2015 20:11:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14615560#comment-14615560
] 

Hadoop QA commented on HADOOP-12191:
------------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m 29s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:red}-1{color} | tests included |   0m  0s | 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{color} | javac |   8m  3s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  10m 16s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 21s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   1m  6s | There were no new checkstyle issues. |
| {color:red}-1{color} | whitespace |   0m  0s | The patch has 1  line(s) that end in whitespace.
Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 35s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 34s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   1m 57s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | common tests |  22m 43s | Tests passed in hadoop-common. |
| | |  64m  6s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12743760/HADOOP-12191.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / fc92d3e |
| whitespace | https://builds.apache.org/job/PreCommit-HADOOP-Build/7164/artifact/patchprocess/whitespace.txt
|
| hadoop-common test log | https://builds.apache.org/job/PreCommit-HADOOP-Build/7164/artifact/patchprocess/testrun_hadoop-common.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/7164/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/7164/console |


This message was automatically generated.

> Bzip2Factory is not thread safe
> -------------------------------
>
>                 Key: HADOOP-12191
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12191
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>            Reporter: Jason Lowe
>            Assignee: Brahma Reddy Battula
>         Attachments: HADOOP-12191.patch
>
>
> Bzip2Factory.isNativeBzip2Loaded is not protected from multiple threads calling it simultaneously.
 A thread can return false from this method despite logging the fact that was going to return
true due to manipulations of the static boolean from another thread calling the same method.



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