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https://issues.apache.org/jira/browse/FOP-2292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13753919#comment-13753919
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Vincent Hennebert commented on FOP-2292:
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I guess some LayoutManager doesn't handle changing IPD well in some cases. But,
without being able to reproduce the issue, that's all I can say I'm afraid.
> [PATCH] NullPointerException after page IPD change
> --------------------------------------------------
>
> Key: FOP-2292
> URL: https://issues.apache.org/jira/browse/FOP-2292
> Project: Fop
> Issue Type: Bug
> Components: general
> Affects Versions: 1.0
> Environment: Windows 7 64 bit
> Reporter: Seifeddine Dridi
> Fix For: 1.1
>
> Attachments: expected.pdf, fop.pdf, idea.patch, test.fo
>
>
> The error occurs when FOP detects an IPD change and redoes phase 1 of the
> layout process. A NullPointerException is fired in
> getNextBlockListChangedIPD() at line 820, it seems that getPosition() is
> returning null.
> Can anyone confirm this issue?
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