[jira] [Commented] (OOZIE-81) GH-40: coordinator rerun doesn't consider empty output-event

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OOZIE-81?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13099780#comment-13099780 ] 

Hadoop QA commented on OOZIE-81:
--------------------------------

rvs remarked:
Closed by f337f6383090710575b345f48e8b2539339e698d coordinator rerun doesn't consider empty output-event

> GH-40: coordinator rerun doesn't consider empty output-event
> ------------------------------------------------------------
>
>                 Key: OOZIE-81
>                 URL: https://issues.apache.org/jira/browse/OOZIE-81
>             Project: Oozie
>          Issue Type: Bug
>            Reporter: Hadoop QA
>
> ### User experience:
> If the user selects cleanup but there is no "output-event" in the cooridnator xml, the code will throw NullPointerException (NPE):
>     private void cleanupOutputEvents(Element eAction, String user, String group) {
>             Element outputList = eAction.getChild("output-events", eAction.getNamespace());
>             for (Element data : (List) outputList.getChildren("data-out", eAction.getNamespace())) {
> Line 3 will throw NPE.
> Solution:
>     if (outputList != null) {
>         for (Element data : (List) outputList.getChildren("data-out", eAction.getNamespace())) {
>          ......
>     }
> ### Additional activities:
> 1. Add an unit test
> 2. QA needs to add one test case with this scenario.

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