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https://issues.apache.org/jira/browse/FALCON-2073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ying Zheng updated FALCON-2073:
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Summary: Handle with NULL corner cases (was: Handle with NULL corner case)
> 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
>
> Coverity scan finds quite 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, in OozieWorkflowEngine::updateDependents, we
> will run into an error if there is no dependency edge for the oldEntity:
> {code}
> Set<Entity> affectedEntities =
> EntityGraph.get().getDependents(oldEntity);
> for (Entity affectedEntity : affectedEntities) {
> ......
> }
> {code}
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