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From "Andrey Pavlenko (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-3443) [classlib][awt][netbeans] Container.paint() throws NPE
Date Thu, 22 Mar 2007 13:49:32 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-3443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Andrey Pavlenko updated HARMONY-3443:

    Attachment: HARMONY-3443-ContainerRTest.patch

If the graphics clipping aria is undefined assume it intersects with the child components.
Please try the attached patches.

> [classlib][awt][netbeans] Container.paint() throws NPE
> ------------------------------------------------------
>                 Key: HARMONY-3443
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3443
>             Project: Harmony
>          Issue Type: Bug
>          Components: App-Oriented Bug Reports, Classlib
>            Reporter: Vasily Zakharov
>         Attachments: HARMONY-3443-Container.patch, HARMONY-3443-ContainerRTest.patch,
> Container.paint(Graphics) throws NullPointerException if the container contains any components
and the specified Graphics.getClip() call returns null.
> The attached test demonstrates the problem.
> Output on RI:
> Output on Harmony:
> Exception in thread "main" java.lang.NullPointerException
>         at java.awt.Container.paintComponentsImpl(Container.java:12)
>         at java.awt.Container.paint(Container.java:936)
>         at Test.main(Test.java:9)
> The reason for this problem is paintComponentsImpl() method executes the following line:
> if (!clip.intersects(comp.getBounds())) {
> without checking if clip is not null. I'm not sure how should this be fixed.
> This issue was detected while trying to run Netbeans on Harmony.

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