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From John Bourke <john.bou...@Cedar.com>
Subject RE: Trying to resolve memory exception through correct use of pag e se quencing
Date Thu, 02 May 2002 08:20:54 GMT
J. below is my layout-master-set followed by the way I start the page
sequence for my repeatable page.

<fo:layout-master-set>
   <fo:simple-page-master master-name="paramsPage"
       page-height="21cm" 
	 page-width="29.7cm"
	 margin-top="1.5cm" 
	 margin-bottom="1.5cm" 
	 margin-left="1.5cm" 
	 margin-right="1.5cm"            
       border-width=".5pt" 
       border-style="solid">
       <fo:region-before extent="2.5cm"/>
       <fo:region-after extent="1cm"/>
       <fo:region-body 
           margin-top="1.1cm"
           margin-bottom="1.1cm"/>
    </fo:simple-page-master>
 
    <fo:simple-page-master master-name="detailPage"
        page-height="21cm" 
	  page-width="29.7cm"
	  margin-top="1.5cm" 
	  margin-bottom="1.5cm" 
	  margin-left="1.5cm" 
	  margin-right="1.5cm">            
        <fo:region-before extent=".5cm"/>
        <fo:region-after extent=".5cm"/>
        <fo:region-body margin-top=".5cm" margin-bottom=".5cm"
border-style="solid"/>
    </fo:simple-page-master>

    <fo:simple-page-master master-name="summaryPage"
        page-height="21cm" 
	  page-width="29.7cm"
	  margin-top="1.5cm" 
	  margin-bottom="1.5cm" 
	  margin-left="1.5cm" 
	  margin-right="1.5cm">            
        <fo:region-before extent=".5cm" border-width=".5pt"
border-style="solid"/>
        <fo:region-after extent=".5cm"  border-width=".5pt"
border-style="solid"/>
        <fo:region-body margin-top=".5cm" margin-bottom=".5cm"
border-width=".5pt" border-style="solid"/>
    </fo:simple-page-master>
         
    <fo:page-sequence-master master-name="reportDetails">
       <fo:repeatable-page-master-alternatives>
          <fo:conditional-page-master-reference master-name="detailPage"
blank-or-not-blank="not-blank"/>
       </fo:repeatable-page-master-alternatives>            
    </fo:page-sequence-master>
     
</fo:layout-master-set>

<fo:page-sequence master-reference="reportDetails">
</fo:page-sequence>

-----Original Message-----
From: J.Pietschmann [mailto:j3322ptm@yahoo.de]
Sent: 01 May 2002 21:22
To: fop-user@xml.apache.org
Subject: Re: Trying to resolve memory exception through correct use of
page se quencing


John Bourke wrote:
> I think the problem is caused by me having a page sequence called detail
> page, into which my 500 pages worth of data is placed with a page break
> before each page full. BUT, this is all within the one page sequence which
I
> think FOP is trying to render all at once.

FOP tries to render page by page, however, ending a
page sequence will usually free additional memory
(perhaps a lot of additional memory, according to
the stories on the list).

> Then when rendering FOP throws the following exception:
> ---------
> java.lang.NullPointerException
> at
>
org.apache.fop.fo.pagination.PageSequence.getNextPageMaster(PageSequence.jav
> a:526)

This has nothing to do with a memory problem. You
probably have referenced a page master which doesn't
exist, or hit another FOP bug. Can you post your
layout-master-set?


J.Pietschmann


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