Hi,

I got the following exception on producing pdf file. The error and the fo file 
will be provided below. Sorry it is too long but there is no way for me to 
attach them.

Thank you very much,

Hao

Error:

ERROR:  'Some content could not fit into a line/page after 50 attempts. Giving 
up to avoid an endless loop. (fo:block, location: 21/325)'
javax.xml.transform.TransformerException: java.lang.RuntimeException: Some 
content could not fit into a line/page after 50 attempts. Giving up to avoid 
an endless loop. (fo:block, location: 21/325)
  at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform
(TransformerImpl.java:647)
  at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform
(TransformerImpl.java:279)
  at embedding.ExampleFO2PDF.convertFO2PDF(ExampleFO2PDF.java:88)
  at embedding.ExampleFO2PDF.main(ExampleFO2PDF.java:137)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:585)
  at com.intellij.rt.execution.application.AppMain.main(AppMain.java:90)
Caused by: java.lang.RuntimeException: Some content could not fit into a 
line/page after 50 attempts. Giving up to avoid an endless loop. (fo:block, 
location: 21/325)
  at org.apache.fop.layoutmgr.BreakingAlgorithm.findBreakingPoints
(BreakingAlgorithm.java:434)
  at org.apache.fop.layoutmgr.BreakingAlgorithm.findBreakingPoints
(BreakingAlgorithm.java:339)
  at org.apache.fop.layoutmgr.AbstractBreaker.doLayout
(AbstractBreaker.java:289)
  at org.apache.fop.layoutmgr.AbstractBreaker.doLayout
(AbstractBreaker.java:220)
  at org.apache.fop.layoutmgr.PageSequenceLayoutManager.activateLayout
(PageSequenceLayoutManager.java:152)
  at org.apache.fop.area.AreaTreeHandler.endPageSequence
(AreaTreeHandler.java:320)
  at org.apache.fop.fo.pagination.PageSequence.endOfNode(PageSequence.java:147)
  at org.apache.fop.fo.FOTreeBuilder$MainFOHandler.endElement
(FOTreeBuilder.java:357)
  at org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:193)
  at com.sun.org.apache.xml.internal.serializer.ToXMLSAXHandler.endElement
(ToXMLSAXHandler.java:262)
  at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement
(AbstractSAXParser.java:633)
  at 
com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanEndElement
(XMLNSDocumentScannerImpl.java:719)
  at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$Fragment
ContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1685)
  at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocu
ment(XMLDocumentFragmentScannerImpl.java:368)
  at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse
(XML11Configuration.java:834)
  at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse
(XML11Configuration.java:764)
  at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse
(XMLParser.java:148)
  at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse
(AbstractSAXParser.java:1242)
  at 
com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity
(TransformerImpl.java:557)
  at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform
(TransformerImpl.java:638)
  ... 8 more


=================The fo file===============================

<?xml version="1.0" encoding="UTF-8"?><fo:root 
xmlns:html="http://www.w3.org/1999/xhtml" 
xmlns:fo="http://www.w3.org/1999/XSL/Format" writing-mode="lr-tb" 
hyphenate="false" text-align="start" role="html:html"><fo:layout-master-
set><fo:simple-page-master margin="25mm 25mm 25mm 25mm" master-
name="PageMaster-TOC" page-height="8in" page-width="11in"><fo:region-body 
margin="0mm 0mm 0mm 0mm"/></fo:simple-page-master><fo:simple-page-master page-
width="auto" page-height="auto" master-name="all-pages"><fo:region-body margin-
top="1in" margin-right="1in" margin-bottom="1in" margin-left="1in" column-
count="1" column-gap="12pt"/><fo:region-before region-name="page-header" 
extent="1in" display-align="before"/><fo:region-after region-name="page-
footer" extent="1in" display-align="after"/><fo:region-start 
extent="1in"/><fo:region-end extent="1in"/></fo:simple-page-master></fo:layout-
master-set><fo:page-sequence master-reference="PageMaster-TOC" force-page-
count="no-force"><fo:flow flow-name="xsl-region-body" font-
size="18pt"><fo:block space-after="12pt" id="TableOfContents" line-
height="21pt" font-size="18pt" text-align="start">
      Table of Contents
    </fo:block><fo:block text-align-last="justify" margin-left="0em" space-
before="5pt" font-size="1em"><fo:basic-link internal-
destination="topic1072">52.2</fo:basic-link><fo:leader leader-pattern="dots" 
leader-pattern-width="5pt"/><fo:page-number-citation ref-
id="topic1072"/></fo:block><fo:block text-align-last="justify" margin-
left="0em" space-before="5pt" font-size="1em"><fo:basic-link internal-
destination="topic1081">Cancellation,
      Rescission, and Recovery of Funds for Illegal or Improper Activity (Over 
$100,000)</fo:basic-link><fo:leader leader-pattern="dots" leader-pattern-
width="5pt"/><fo:page-number-citation ref-id="topic1081"/></fo:block><fo:block 
text-align-last="justify" margin-left="0em" space-before="5pt" font-
size="1em"><fo:basic-link internal-destination="topic1082">Price or Fee
      Adjustment for Illegal or Improper Activity (Over $100,000)</fo:basic-
link><fo:leader leader-pattern="dots" leader-pattern-width="5pt"/><fo:page-
number-citation ref-id="topic1082"/></fo:block><fo:block text-align-
last="justify" margin-left="0em" space-before="5pt" font-size="1em"><fo:basic-
link internal-destination="topic1083">Limitation on
      Payments to Influence Certain Federal Transactions (Over $100,000)
</fo:basic-link><fo:leader leader-pattern="dots" leader-pattern-
width="5pt"/><fo:page-number-citation ref-id="topic1083"/></fo:block><fo:block 
text-align-last="justify" margin-left="0em" space-before="5pt" font-
size="1em"><fo:basic-link internal-destination="topic1084">Printed or Copied
      Double-Sided on Recycled Paper (Over $100,000)</fo:basic-link><fo:leader 
leader-pattern="dots" leader-pattern-width="5pt"/><fo:page-number-citation ref-
id="topic1084"/></fo:block><fo:block text-align-last="justify" margin-
left="0em" space-before="5pt" font-size="1em"><fo:basic-link internal-
destination="topic1085">Central Contractor
      Registration</fo:basic-link><fo:leader leader-pattern="dots" leader-
pattern-width="5pt"/><fo:page-number-citation ref-
id="topic1085"/></fo:block><fo:block text-align-last="justify" margin-
left="0em" space-before="5pt" font-size="1em"><fo:basic-link internal-
destination="topic1086">Protecting the
      Government's Interests When Subcontracting With Contractors Debarred, 
Suspended, or Proposed for Debarment (Over
      $25,000)</fo:basic-link><fo:leader leader-pattern="dots" leader-pattern-
width="5pt"/><fo:page-number-citation ref-id="topic1086"/></fo:block><fo:block 
text-align-last="justify" margin-left="0em" space-before="5pt" font-
size="1em"><fo:basic-link internal-destination="topic1087">Material
      Requirements</fo:basic-link><fo:leader leader-pattern="dots" leader-
pattern-width="5pt"/><fo:page-number-citation ref-
id="topic1087"/></fo:block><fo:block text-align-last="justify" margin-
left="0em" space-before="5pt" font-size="1em"><fo:basic-link internal-
destination="topic1088">Audit and Records -
      Sealed Bidding (Over $500,000)</fo:basic-link><fo:leader leader-
pattern="dots" leader-pattern-width="5pt"/><fo:page-number-citation ref-
id="topic1088"/></fo:block><fo:block text-align-last="justify" margin-
left="0em" space-before="5pt" font-size="1em"><fo:basic-link internal-
destination="topic1089">Price Reduction for
      Defective Cost or Pricing Data - Modifications - Sealed 
Bidding</fo:basic-link><fo:leader leader-pattern="dots" leader-pattern-
width="5pt"/><fo:page-number-citation ref-id="topic1089"/></fo:block><fo:block 
text-align-last="justify" margin-left="0em" space-before="5pt" font-
size="1em"><fo:basic-link internal-destination="topic1090">Subcontractor Cost 
or
      Pricing Data - Modifications - Sealed Bidding</fo:basic-link><fo:leader 
leader-pattern="dots" leader-pattern-width="5pt"/><fo:page-number-citation ref-
id="topic1090"/></fo:block><fo:block text-align-last="justify" margin-
left="0em" space-before="5pt" font-size="1em"><fo:basic-link internal-
destination="topic1091">Order of Precedence -
      Sealed Bidding</fo:basic-link><fo:leader leader-pattern="dots" leader-
pattern-width="5pt"/><fo:page-number-citation ref-
id="topic1091"/></fo:block><fo:block text-align-last="justify" margin-
left="0em" space-before="5pt" font-size="1em"><fo:basic-link internal-
destination="topic1092">Audit and Records -
      Negotiation (Over $100,000)</fo:basic-link><fo:leader leader-
pattern="dots" leader-pattern-width="5pt"/><fo:page-number-citation ref-
id="topic1092"/></fo:block><fo:block text-align-last="justify" margin-
left="0em" space-before="5pt" font-size="1em"><fo:basic-link internal-
destination="topic1094">Order of Precedence -
    Sealed Bidding</fo:basic-link><fo:leader leader-pattern="dots" leader-
pattern-width="5pt"/><fo:page-number-citation ref-
id="topic1094"/></fo:block></fo:flow></fo:page-sequence>
<fo:page-sequence master-reference="all-pages"><fo:static-content flow-
name="page-header"><fo:block font-size="small" text-align="center" space-
before.conditionality="retain" space-before="0.5in"/></fo:static-
content><fo:static-content flow-name="page-footer"><fo:block font-size="small" 
text-align="center" space-after.conditionality="retain" space-after="0.5in">- 
<fo:page-number/> -</fo:block></fo:static-content><fo:flow flow-name="xsl-
region-body"><fo:block role="html:body">
<fo:block role="html:div" id="1070"><fo:block role="html:div" id="topic1072" 
padding-top="10px"><fo:block role="html:div" id="content1072"><fo:block font-
size="0.83em" font-weight="bold" space-before="1.33em" space-after="1.33em" 
keep-with-next.within-column="always" keep-together.within-column="always" 
role="html:h5">52.2</fo:block></fo:block>
    <fo:block role="html:div" id="topic1081" padding-top="10px"><fo:block 
role="html:div" id="content1081"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5"><fo:inline 
text-decoration="underline" role="html:u">Cancellation,
      Rescission, and Recovery of Funds for Illegal or Improper Activity (Over 
$100,000)</fo:inline></fo:block></fo:block></fo:block>
    <fo:block role="html:div" id="topic1082" padding-top="10px"><fo:block 
role="html:div" id="content1082"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5"><fo:inline 
text-decoration="underline" role="html:u">Price or Fee
      Adjustment for Illegal or Improper Activity (Over $100,000)
</fo:inline></fo:block></fo:block></fo:block>
    <fo:block role="html:div" id="topic1083" padding-top="10px"><fo:block 
role="html:div" id="content1083"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5"><fo:inline 
text-decoration="underline" role="html:u">Limitation on
      Payments to Influence Certain Federal Transactions (Over $100,000)
</fo:inline></fo:block></fo:block></fo:block>
    <fo:block role="html:div" id="topic1084" padding-top="10px"><fo:block 
role="html:div" id="content1084"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5"><fo:inline 
text-decoration="underline" role="html:u">Printed or Copied
      Double-Sided on Recycled Paper (Over $100,000)
</fo:inline></fo:block></fo:block></fo:block>
    <fo:block role="html:div" id="topic1085" padding-top="10px"><fo:block 
role="html:div" id="content1085"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5"><fo:inline 
text-decoration="underline" role="html:u">Central Contractor
      Registration</fo:inline></fo:block></fo:block></fo:block>
    <fo:block role="html:div" id="topic1086" padding-top="10px"><fo:block 
role="html:div" id="content1086"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5"><fo:inline 
text-decoration="underline" role="html:u">Protecting the
      Government's Interests When Subcontracting With Contractors Debarred, 
Suspended, or Proposed for Debarment (Over
      $25,000)</fo:inline></fo:block></fo:block></fo:block>
    <fo:block role="html:div" id="topic1087" padding-top="10px"><fo:block 
role="html:div" id="content1087"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5"><fo:inline 
text-decoration="underline" role="html:u">Material
      Requirements</fo:inline></fo:block></fo:block></fo:block>
    <fo:block role="html:div" id="topic1088" padding-top="10px"><fo:block 
role="html:div" id="content1088"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5"><fo:inline 
text-decoration="underline" role="html:u">Audit and Records -
      Sealed Bidding (Over $500,000)
</fo:inline></fo:block></fo:block></fo:block>
    <fo:block role="html:div" id="topic1089" padding-top="10px"><fo:block 
role="html:div" id="content1089"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5"><fo:inline 
text-decoration="underline" role="html:u">Price Reduction for
     Defective Cost or Pricing Data - Modifications - Sealed 
Bidding</fo:inline></fo:block></fo:block></fo:block>
    <fo:block role="html:div" id="topic1090" padding-top="10px"><fo:block 
role="html:div" id="content1090"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5"><fo:inline 
text-decoration="underline" role="html:u">Subcontractor Cost or
      Pricing Data - Modifications - Sealed 
Bidding</fo:inline></fo:block></fo:block></fo:block>
    <fo:block role="html:div" id="topic1091" padding-top="10px"><fo:block 
role="html:div" id="content1091"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5"><fo:inline 
text-decoration="underline" role="html:u">Order of Precedence -
      Sealed Bidding</fo:inline></fo:block></fo:block></fo:block>
    <fo:block role="html:div" id="topic1092" padding-top="10px"><fo:block 
role="html:div" id="content1092"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5"><fo:inline 
text-decoration="underline" role="html:u">Audit and Records -
      Negotiation (Over $100,000)</fo:inline></fo:block></fo:block>
      </fo:block>
  <fo:block role="html:div" id="topic1094" padding-top="10px"><fo:block 
role="html:div" id="content1094"><fo:block font-size="0.83em" font-
weight="bold" space-before="1.33em" space-after="1.33em" keep-with-next.within-
column="always" keep-together.within-column="always" role="html:h5">Order of 
Precedence -
    Sealed Bidding</fo:block></fo:block></fo:block>
</fo:block></fo:block>
</fo:block></fo:flow></fo:page-sequence></fo:root>