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https://issues.apache.org/jira/browse/DERBY-5452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13123974#comment-13123974
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Kristian Waagan commented on DERBY-5452:
----------------------------------------
+1
> Possible NPE in NsTest.printException()
> ---------------------------------------
>
> Key: DERBY-5452
> URL: https://issues.apache.org/jira/browse/DERBY-5452
> Project: Derby
> Issue Type: Bug
> Components: Test
> Affects Versions: 10.9.0.0
> Reporter: Knut Anders Hatlen
> Assignee: Knut Anders Hatlen
> Priority: Minor
> Attachments: d5452.diff
>
>
> NsTest.printException() contains the following piece of code:
> if (e.getMessage().equals(null)) {
> System.out.println("NULL error message detected");
> System.out.println("Here is the NULL exection - " +
> e.toString());
> System.out.println("Stack trace of the NULL exception -
> ");
> e.printStackTrace(System.out);
> }
> It's supposed to detect if e.getMessage() returns null. However, if it does
> return null, calling equals() on the return value will result in a
> NullPointerException.
> The condition should be changed to (e.getMessage() == null).
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