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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-8458) Potential null dereference in Utilities#clearWork()
Date Tue, 21 Jul 2015 16:12:06 GMT

     [ https://issues.apache.org/jira/browse/HIVE-8458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HIVE-8458:
-------------------------
    Description: 
{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

  was:
{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


> 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_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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