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List:       fop-dev
Subject:    [jira] [Commented] (FOP-2481) AssertionError at BalancingColumnBreakingAlgorithm.getInitialBreaks
From:       "TLX (Jira)" <jira () apache ! org>
Date:       2021-11-29 21:36:00
Message-ID: JIRA.12835643.1433493794000.75051.1638221760023 () Atlassian ! JIRA
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    [ https://issues.apache.org/jira/browse/FOP-2481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17450722#comment-17450722 \
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TLX commented on FOP-2481:
--------------------------

Okay, I found the answer myself: A block-container that contains only absolutely \
positioned children counts as empty to the algorithm. That way it will crash \
                everything by leading to that AssertionError.
Solution: Assing span="all" to that block-container. By doing so it won't trigger the \
column-distribution algorithm.

It would be great if this could throw a regular exception that explains what's wrong. \
AssertionErrors shouldn't be used to catch invalid user input.


> AssertionError at BalancingColumnBreakingAlgorithm.getInitialBreaks
> -------------------------------------------------------------------
> 
> Key: FOP-2481
> URL: https://issues.apache.org/jira/browse/FOP-2481
> Project: FOP
> Issue Type: Bug
> Reporter: Simon Steiner
> Priority: Major
> Attachments: exception.fo
> 
> 
> AssertionError
> 	at org.apache.fop.layoutmgr.BalancingColumnBreakingAlgorithm.getInitialBreaks(BalancingColumnBreakingAlgorithm.java:171)
>  export FOP_OPTS=-ea
> fop exception.fo out.pdf



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