[FOP-1428] NullPointerException when min-height is specified for table-row

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 2.5
• Component/s: layout/unqualified
• Environment: Operating System: All; Platform: All
• External issue ID: 43591
• Assignee: fop-dev
• Reporter: Isaac Shabtay
• Created: 10/Oct/07 13:36
• Updated: 01/Apr/12 06:42
• Resolved: 01/Apr/12 06:42

Description

When specifying min-height for an fo:table-row, FOP aborts with a
NullPointerException:

java.lang.NullPointerException
at
org.apache.fop.layoutmgr.table.TableContentLayoutManager.createElementsForRowGroup(TableContentLayoutManager.java:465)
at
org.apache.fop.layoutmgr.table.TableContentLayoutManager.getKnuthElementsForRowIterator(TableContentLayoutManager.java:251)
at
org.apache.fop.layoutmgr.table.TableContentLayoutManager.getNextKnuthElements(TableContentLayoutManager.java:179)
at
org.apache.fop.layoutmgr.table.TableLayoutManager.getNextKnuthElements(TableLayoutManager.java:243)

Example XSL-FO:

<?xml version="1.0" encoding="UTF-8"?>
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
<fo:layout-master-set>
<fo:simple-page-master master-name="letter"
page-height="11in"
page-width="8.5in"
margin-left="0.75in"
margin-right="0.75in">
<fo:region-body margin-bottom="1.0cm" margin-top="0.7cm"/>
</fo:simple-page-master>
</fo:layout-master-set>
<fo:page-sequence master-reference="letter">
<fo:flow flow-name="xsl-region-body">
<fo:table table-layout="fixed" width="100%">
<fo:table-column column-width="100%"/>
<fo:table-body>
<fo:table-row min-height="3.0em">
<fo:table-cell>
<fo:block>Hello</fo:block>
</fo:table-cell>
</fo:table-row>
</fo:table-body>
</fo:table>
</fo:flow>
</fo:page-sequence>
</fo:root>