https://issues.apache.org/bugzilla/show_bug.cgi?id=51617
Bug #: 51617
Summary: No embedded examples is working with FOP.jar 1.0 and
JDeveloper 10g
Product: Fop
Version: 1.0
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: normal
Priority: P2
Component: fo tree
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
Hello,
I was trying to understand how FOP is working and I downloaded the latest
stable version and created a new project in JDeveloper 10g. I'm using the
binary release 1.0 . I could do run succesfully the examples using the command
line. But when I'm trying to call it from any application, I always stumble on
the same error which is the following (It's almost the same with all the
example I tried) :
XML-22900: (Fatal Error) An internal error condition occurred.
javax.xml.transform.TransformerException: XML-22900: (Fatal Error) An internal
error condition occurred.
at oracle.xml.jaxp.JXTransformer.reportException(JXTransformer.java:775)
at oracle.xml.jaxp.JXTransformer.transform(JXTransformer.java:374)
at mypackage3.ExampleXML2PDF.main(ExampleXML2PDF.java:80)
Caused by: java.lang.NullPointerException
at org.apache.fop.fo.FOTreeBuilder.startElement(FOTreeBuilder.java:171)
at
oracle.xml.parser.v2.XSLEventHandler.reportStartElement(XSLEventHandler.java:230)
at
oracle.xml.parser.v2.XSLEventHandler.startElement(XSLEventHandler.java:296)
at
oracle.xml.parser.v2.XSLResultElement.processAction(XSLResultElement.java:142)
at oracle.xml.parser.v2.XSLNode.processChildren(XSLNode.java:417)
at
oracle.xml.parser.v2.XSLResultElement.processAction(XSLResultElement.java:180)
at oracle.xml.parser.v2.XSLNode.processChildren(XSLNode.java:417)
at oracle.xml.parser.v2.XSLTemplate.processAction(XSLTemplate.java:191)
at
oracle.xml.parser.v2.XSLApplyTemplates.processAction(XSLApplyTemplates.java:210)
at
oracle.xml.parser.v2.XSLApplyTemplates.processAction(XSLApplyTemplates.java:123)
at oracle.xml.parser.v2.XSLNode.processChildren(XSLNode.java:417)
at oracle.xml.parser.v2.XSLTemplate.processAction(XSLTemplate.java:191)
at oracle.xml.parser.v2.XSLStylesheet.execute(XSLStylesheet.java:509)
at oracle.xml.parser.v2.XSLProcessor.processXSL(XSLProcessor.java:265)
at oracle.xml.jaxp.JXTransformer.transform(JXTransformer.java:358)
... 1 more
---------
java.lang.NullPointerException
at org.apache.fop.fo.FOTreeBuilder.startElement(FOTreeBuilder.java:171)
at
oracle.xml.parser.v2.XSLEventHandler.reportStartElement(XSLEventHandler.java:230)
at
oracle.xml.parser.v2.XSLEventHandler.startElement(XSLEventHandler.java:296)
at
oracle.xml.parser.v2.XSLResultElement.processAction(XSLResultElement.java:142)
at oracle.xml.parser.v2.XSLNode.processChildren(XSLNode.java:417)
at
oracle.xml.parser.v2.XSLResultElement.processAction(XSLResultElement.java:180)
at oracle.xml.parser.v2.XSLNode.processChildren(XSLNode.java:417)
at oracle.xml.parser.v2.XSLTemplate.processAction(XSLTemplate.java:191)
at
oracle.xml.parser.v2.XSLApplyTemplates.processAction(XSLApplyTemplates.java:210)
at
oracle.xml.parser.v2.XSLApplyTemplates.processAction(XSLApplyTemplates.java:123)
at oracle.xml.parser.v2.XSLNode.processChildren(XSLNode.java:417)
at oracle.xml.parser.v2.XSLTemplate.processAction(XSLTemplate.java:191)
at oracle.xml.parser.v2.XSLStylesheet.execute(XSLStylesheet.java:509)
at oracle.xml.parser.v2.XSLProcessor.processXSL(XSLProcessor.java:265)
at oracle.xml.jaxp.JXTransformer.transform(JXTransformer.java:358)
at mypackage3.ExampleXML2PDF.main(ExampleXML2PDF.java:80)
Debugger disconnected from local process.
Process exited.
After analysing the error, I found that the attribute "delegate" is always null
after running : transformer.transform(src, res);
Since those are your examples, they should work and have no errors. Just for
fun I did edited the FOTreeBuilder class in the FOP.jar, adding if (delegate ==
null) {this.startDocument()}
So it began to work without errors, thought it's not correct since the PDF file
is unreadable. I've tried the following examples :
ExampleFO2.java
ExampleXML2PDF.java
and the example in the user guide.
The only difference between your files and mine is that I created my own
package in JDev, but I did copy/paste all the rest of your code.
I'll continue to search a way to correct the error.
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