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https://issues.apache.org/jira/browse/TOMAHAWK-1400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680573#action_12680573
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Jochen Reinhardt commented on TOMAHAWK-1400:
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Seems to be a layer 8 problem. I did not know that I had to set the rows
attribute in the table element to make things work. I was already wondering how
to adjust the number of records. I see, that changing the default for rows to
something else is not what one expects. But causing an ArithmeticExcpetion in
the default configuration is not perfect either.
What I am really missing, is a hint on the instructions section of the JSF tag
documentation for DataScroller. That would make life easier for newbies like me.
> ArithmeticException when last button is pressed in empty table
> --------------------------------------------------------------
>
> Key: TOMAHAWK-1400
> URL: https://issues.apache.org/jira/browse/TOMAHAWK-1400
> Project: MyFaces Tomahawk
> Issue Type: Bug
> Components: Data Scroller
> Affects Versions: 1.1.8
> Environment: JBoss 5.01GA with Sun's JSF RI, Ubuntu Linux
> Reporter: Jochen Reinhardt
> Priority: Minor
> Original Estimate: 0.08h
> Remaining Estimate: 0.08h
>
> Problem is in AbstractHtmlDataScroller.java, line 307 / 308
> int rows = uiData.getRows();
> int delta = rowcount % rows;
> Rows obviously can be 0, so the code should read:
> int rows = uiData.getRows();
> int delta = rows != 0 ? rowcount % rows : 0;
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