[jira] [Closed] (DERBY-5452) Possible NPE in NsTest.printException()

["Knut Anders Hatlen (Closed) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DERBY-5452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Knut Anders Hatlen closed DERBY-5452.
-------------------------------------

    Resolution: Fixed
    
> 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: 10.8.1.2, 10.9.0.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>             Fix For: 10.8.2.2, 10.9.0.0
>
>         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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