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Date: Fri, 15 Jul 2016 15:51:20 +0000 (UTC)
From: "Peeyush Bishnoi (JIRA)" <jira@apache.org>
To: dev@falcon.incubator.apache.org
Message-ID: <JIRA.12988491.1468282879000.42888.1468597880622@Atlassian.JIRA>
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Subject: [jira] [Commented] (FALCON-2073) Handle with NULL corner cases
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archived-at: Fri, 15 Jul 2016 15:51:25 -0000


    [ https://issues.apache.org/jira/browse/FALCON-2073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15379595#comment-15379595 ] 

Peeyush Bishnoi commented on FALCON-2073:
-----------------------------------------

Pull request has been committed to master branch. Thanks [~yzheng-hortonworks] for your contribution. 

> Handle with NULL corner cases
> -----------------------------
>
>                 Key: FALCON-2073
>                 URL: https://issues.apache.org/jira/browse/FALCON-2073
>             Project: Falcon
>          Issue Type: Bug
>            Reporter: Ying Zheng
>            Assignee: Ying Zheng
>             Fix For: trunk
>
>
> Coverity scan finds a few places where the return value of an object could be NULL but Falcon tries to access its member without handling with the corner NULL case. For example, cluster update could run into an error if there is no dependent entity for the cluster, see OozieWorkflowEngine::updateDependents:
> {code}
>         Set<Entity> affectedEntities = EntityGraph.get().getDependents(oldEntity);
>         for (Entity affectedEntity : affectedEntities) {
>                  ......
>         }
> {code}


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