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https://issues.apache.org/jira/browse/FOP-2182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13846331#comment-13846331
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Achim Hensel edited comment on FOP-2182 at 12/12/13 2:37 PM:
-------------------------------------------------------------

I could a rtf transformation by supplying a hard value for the main flow name 
at this place:
{code:java}
 public void startPageSequence(PageSequence pageSeq)  {
                    ...
                    String mainFlowName;
                    if (pageSeq.getMainFlow() != null) {
                        mainFlowName = pageSeq.getMainFlow().getFlowName();
                    } else {
                        mainFlowName = "xsl-region-body";
                    }
                    this.pagemaster = master.getNextSimplePageMaster(
                            false, false, false, false, mainFlowName);
                    ...
}
{code}

An other solution would be to defer the processing of the StartPageSequence 
until the main flow is available 

Is there some way for me to help to get the RTF transformation going again?


was (Author: ahensel):
I could a rtf transformation by supplying a hard value for the main flow name 
at this place:
{code:java}
 public void startPageSequence(PageSequence pageSeq)  {
                    ...
                    String mainFlowName;
                    if (pageSeq.getMainFlow() != null) {
                        mainFlowName = pageSeq.getMainFlow().getFlowName();
                    } else {
                        mainFlowName = "xsl-region-body";
                    }
                    this.pagemaster = master.getNextSimplePageMaster(
                            false, false, false, false, mainFlowName);
                    ...
}
{code}

An other solution would be to defer the processing of the StartPageSequence 
until the main flow is available 

> org.apache.fop.render.rtf.RTFHandler.startPageSequence(RTFHandler.java:221)
> ---------------------------------------------------------------------------
>
>                 Key: FOP-2182
>                 URL: https://issues.apache.org/jira/browse/FOP-2182
>             Project: Fop
>          Issue Type: Bug
>            Reporter: Mathieu Malaterre
>         Attachments: demo.fo
>
>
> I cannot build an rtf file from a fo. It keep on failing with:
> java.lang.NullPointerException
>       at 
> org.apache.fop.render.rtf.RTFHandler.startPageSequence(RTFHandler.java:221)
>       at 
> org.apache.fop.fo.pagination.PageSequence.startOfNode(PageSequence.java:119)
>       at 
> org.apache.fop.fo.FOTreeBuilder$MainFOHandler.startElement(FOTreeBuilder.java:325)
>       at org.apache.fop.fo.FOTreeBuilder.startElement(FOTreeBuilder.java:175)
>       at 
> org.apache.xalan.transformer.TransformerIdentityImpl.startElement(TransformerIdentityImpl.java:1073)
>       at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown 
> Source)
>       at org.apache.xerces.xinclude.XIncludeHandler.startElement(Unknown 
> Source)
>       at 
> org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown 
> Source)
>       at 
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
>  Source)
>       at 
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown 
> Source)
>       at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
>       at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
>       at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
>       at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
>       at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown 
> Source)
>       at 
> org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:485)
>       at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:300)
>       at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:130)
>       at org.apache.fop.cli.Main.startFOP(Main.java:177)
>       at org.apache.fop.cli.Main.main(Main.java:208)



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