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Posted to dev@hive.apache.org by "Navis (JIRA)" <ji...@apache.org> on 2014/10/27 08:32:34 UTC
[jira] [Commented] (HIVE-8458) Potential null dereference in
Utilities#clearWork()
[ https://issues.apache.org/jira/browse/HIVE-8458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14184910#comment-14184910 ]
Navis commented on HIVE-8458:
-----------------------------
"&&" part looks right. You can fix this by checking null prior to do something with mapPath and reducePath.
> Potential null dereference in Utilities#clearWork()
> ---------------------------------------------------
>
> Key: HIVE-8458
> URL: https://issues.apache.org/jira/browse/HIVE-8458
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.13.1
> Reporter: Ted Yu
> Priority: Minor
> Attachments: HIVE-8458_001.patch
>
>
> {code}
> Path mapPath = getPlanPath(conf, MAP_PLAN_NAME);
> Path reducePath = getPlanPath(conf, REDUCE_PLAN_NAME);
> // if the plan path hasn't been initialized just return, nothing to clean.
> if (mapPath == null && reducePath == null) {
> return;
> }
> try {
> FileSystem fs = mapPath.getFileSystem(conf);
> {code}
> If mapPath is null but reducePath is not null, getFileSystem() call would produce NPE
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