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https://issues.apache.org/jira/browse/YARN-2707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14193224#comment-14193224
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Hudson commented on YARN-2707:
------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #1944 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1944/])
YARN-2707. Potential null dereference in FSDownload. Contributed by Gera
Shegalov (jlowe: rev 7bc179f9f5e1e270fd5e6f1ad29b0f32fe371d15)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/TestFSDownload.java
* hadoop-yarn-project/CHANGES.txt
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/FSDownload.java
> Potential null dereference in FSDownload
> ----------------------------------------
>
> Key: YARN-2707
> URL: https://issues.apache.org/jira/browse/YARN-2707
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Gera Shegalov
> Priority: Minor
> Fix For: 2.6.0
>
> Attachments: YARN-2707.v01.patch
>
>
> Here is related code in call():
> {code}
> Pattern pattern = null;
> String p = resource.getPattern();
> if (p != null) {
> pattern = Pattern.compile(p);
> }
> unpack(new File(dTmp.toUri()), new File(dFinal.toUri()), pattern);
> {code}
> In unpack():
> {code}
> RunJar.unJar(localrsrc, dst, pattern);
> {code}
> unJar() would dereference the pattern without checking whether it is null.
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