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https://issues.apache.org/jira/browse/HIVE-8458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15613247#comment-15613247
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Ted Yu edited comment on HIVE-8458 at 11/5/16 4:55 AM:
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Agree with Navis's suggestion.
was (Author: yuzhih...@gmail.com):
Agree with Navis.
> 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
> Assignee: skrho
> Priority: Minor
> Attachments: HIVE-8458.v2.patch, 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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