【问题】
用docbook去编译pdf，结果出错：
SEVERE: Exception
org.apache.fop.apps.FOPException: org.apache.fop.fo.ValidationException: "fo:list-block" is missing child elements. Required content model: marker* (list-item)+ (See position 3570:289)
javax.xml.transform.TransformerException: org.apache.fop.fo.ValidationException: "fo:list-block" is missing child elements. Required content model: marker* (list-item)+ (See position 3570:289)
at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:302)
at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:130)
at org.apache.fop.cli.Main.startFOP(Main.java:174)
at org.apache.fop.cli.Main.main(Main.java:205)
Caused by: javax.xml.transform.TransformerException: org.apache.fop.fo.ValidationException: "fo:list-block" is missing child elements. Required content model: marker* (list-item)+ (See position 3570:289)
at org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:501)
at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:299)
... 3 more
Caused by: org.apache.fop.fo.ValidationException: "fo:list-block" is missing child elements. Required content model: marker* (list-item)+ (See position 3570:289)
at org.apache.fop.events.ValidationExceptionFactory.createException(ValidationExceptionFactory.java:38)
at org.apache.fop.events.EventExceptionManager.throwException(EventExceptionManager.java:54)
at org.apache.fop.events.DefaultEventBroadcaster$1.invoke(DefaultEventBroadcaster.java:175)
at $Proxy3.missingChildElement(Unknown Source)
at org.apache.fop.fo.FONode.missingChildElementError(FONode.java:549)
at org.apache.fop.fo.flow.ListBlock.endOfNode(ListBlock.java:102)
at org.apache.fop.fo.FOTreeBuilder$MainFOHandler.endElement(FOTreeBuilder.java:349)
at org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:177)
at org.apache.xalan.transformer.TransformerIdentityImpl.endElement(TransformerIdentityImpl.java:1101)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
at org.apache.xerces.xinclude.XIncludeHandler.emptyElement(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:484)
... 4 more
---------
javax.xml.transform.TransformerException: org.apache.fop.fo.ValidationException: "fo:list-block" is missing child elements. Required content model: marker* (list-item)+ (See position 3570:289)
at org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:501)
at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:299)
at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:130)
at org.apache.fop.cli.Main.startFOP(Main.java:174)
at org.apache.fop.cli.Main.main(Main.java:205)
Caused by: org.apache.fop.fo.ValidationException: "fo:list-block" is missing child elements. Required content model: marker* (list-item)+ (See position 3570:289)
at org.apache.fop.events.ValidationExceptionFactory.createException(ValidationExceptionFactory.java:38)
at org.apache.fop.events.EventExceptionManager.throwException(EventExceptionManager.java:54)
at org.apache.fop.events.DefaultEventBroadcaster$1.invoke(DefaultEventBroadcaster.java:175)
at $Proxy3.missingChildElement(Unknown Source)
at org.apache.fop.fo.FONode.missingChildElementError(FONode.java:549)
at org.apache.fop.fo.flow.ListBlock.endOfNode(ListBlock.java:102)
at org.apache.fop.fo.FOTreeBuilder$MainFOHandler.endElement(FOTreeBuilder.java:349)
at org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:177)
at org.apache.xalan.transformer.TransformerIdentityImpl.endElement(TransformerIdentityImpl.java:1101)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
at org.apache.xerces.xinclude.XIncludeHandler.emptyElement(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:484)
... 4 more
---------
org.apache.fop.fo.ValidationException: "fo:list-block" is missing child elements. Required content model: marker* (list-item)+ (See position 3570:289)
at org.apache.fop.events.ValidationExceptionFactory.createException(ValidationExceptionFactory.java:38)
at org.apache.fop.events.EventExceptionManager.throwException(EventExceptionManager.java:54)
at org.apache.fop.events.DefaultEventBroadcaster$1.invoke(DefaultEventBroadcaster.java:175)
at $Proxy3.missingChildElement(Unknown Source)
at org.apache.fop.fo.FONode.missingChildElementError(FONode.java:549)
at org.apache.fop.fo.flow.ListBlock.endOfNode(ListBlock.java:102)
at org.apache.fop.fo.FOTreeBuilder$MainFOHandler.endElement(FOTreeBuilder.java:349)
at org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:177)
at org.apache.xalan.transformer.TransformerIdentityImpl.endElement(TransformerIdentityImpl.java:1101)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
at org.apache.xerces.xinclude.XIncludeHandler.emptyElement(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:484)
at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:299)
at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:130)
at org.apache.fop.cli.Main.startFOP(Main.java:174)
at org.apache.fop.cli.Main.main(Main.java:205)
../../../config/docbook.mk:383: recipe for target `../output/pdf/csharp_summary.pdf' failed
make: *** [../output/pdf/csharp_summary.pdf] Error 1
CLi@PC-CLI-1 ~/develop/docbook/books/csharp_summary/src
$如图：
即
org.apache.fop.apps.FOPException: org.apache.fop.fo.ValidationException: "fo:list-block" is missing child elements. Required content model: marker* (list-item)+ (See position 3570:289) |
【解决过程】
1.去对应fo文件中看看对应的内容是啥：
很明显，对应的fo:list-block的内容是空的，所以是不正常的。
2.所以，再去找到xml的源码中，看看对应的内容是啥：
<para>给TreeNode添加右键的总体的思路是：</para>
<orderedlist>
<itemizedlist>添加ContextMenuStrip
</itemizedlist>
<itemizedlist>在其下添加子菜单
</itemizedlist>
<itemizedlist>实现ItemClicked事件，在其中判断点击了哪个子菜单，然后添加代码做你要做的事情即可。
<para></para>
</itemizedlist>
</orderedlist>对此，参考之前自己的例子：
其写法是：
<orderedlist numeration="arabic">
<listitem>总的帧数：<para>VBR中的总的帧的数目。</para></listitem>
<listitem>帧的采样个数：<para>对于MP3（MPEG1，Layer III）来说，是固定的1152个采样。</para></listitem>
<listitem>帧的采样率：<para>通过解析第一帧，即可得知帧采样率索引，查表，即可得此采样率。</para></listitem>
</orderedlist>（以及：例 6.14. itemizedlist）
很明显可以看出问题是：
orderedlist其下，应该是listitem，而不是itemizedlist
itemizedlist是和orderedlist并列级别的，表示无序列表
3.所以，去改为：
<orderedlist numeration="arabic">
<listitem>添加ContextMenuStrip
</listitem>
<listitem>在其下添加子菜单
</listitem>
<listitem>实现ItemClicked事件，在其中判断点击了哪个子菜单，然后添加代码做你要做的事情即可。
</listitem>
</orderedlist>再去编译试试，看看能否解决问题，结果就可以了：
Aug 20, 2013 12:55:29 PM org.apache.fop.fonts.truetype.TTFFile checkTTC INFO: Cambria Math <-- selected Aug 20, 2013 12:55:31 PM org.apache.fop.fonts.truetype.TTFFile checkTTC INFO: This is a TrueType collection file with 2 fonts Aug 20, 2013 12:55:31 PM org.apache.fop.fonts.truetype.TTFFile checkTTC INFO: Containing the following fonts: Aug 20, 2013 12:55:31 PM org.apache.fop.fonts.truetype.TTFFile checkTTC INFO: Cambria Aug 20, 2013 12:55:31 PM org.apache.fop.fonts.truetype.TTFFile checkTTC INFO: Cambria Math <-- selected CLi@PC-CLI-1 ~/develop/docbook/books/csharp_summary/src $
【总结】
此处docbook编译pdf（中间生成.fo文件）出现：
| org.apache.fop.apps.FOPException: org.apache.fop.fo.ValidationException: "fo:list-block" is missing child elements. Required content model: marker* (list-item)+ |
的错误的：
原因是：
此处不小心，把orderedlist的子项，写成了itemizedlist
解决办法是：
把orderedlist的子项从itemizedlist改为listitem即可。
转载请注明：在路上 » 【已解决】Docbook编译pdf出错：org.apache.fop.apps.FOPException: org.apache.fop.fo.ValidationException: "fo:list-block" is missing child elements. Required content model: marker* (list-item)+