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Posted to fop-users@xmlgraphics.apache.org by Richard Bolen <bo...@GretagMacbeth.com> on 2002/08/13 16:03:47 UTC

LinkageError from XML parser

I'm trying to run the embedded servlet example on Tomcat 4.0.1/JBoss 2.4.4 using JRE 1.4.0.  I'm converting XML to PDF.

I'm getting the following exception:
java.lang.LinkageError: loader constraints violated when linking org/xml/sax/XMLReader class
	at org.apache.fop.apps.Driver.getParserClassName(Unknown Source)
	at org.apache.fop.svg.SVGElementMapping.setupSVG(Unknown Source)
	at org.apache.fop.svg.SVGElementMapping.addToBuilder(Unknown Source)
	at org.apache.fop.apps.Driver.addElementMapping(Unknown Source)
	at org.apache.fop.apps.Driver.addElementMapping(Unknown Source)
	at org.apache.fop.apps.Driver.setupDefaultMappings(Unknown Source)
	at org.apache.fop.apps.Driver.(Unknown Source)
	at org.apache.fop.apps.Driver.(Unknown Source)
	at FopServlet.renderFO(FopServlet.java:93)
	at FopServlet.doGet(FopServlet.java:64)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:201)
	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2344)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:163)
	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1011)
	at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106)
	at java.lang.Thread.run(Thread.java:536)


I've completely scrubbed my classpath of any XML parsers except the stuff supplied by JRE 1.4.0.  Has anyone seen this error before and know of a solution?  

Thanks,
Rich

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Rich Bolen
Senior Software Developer
GretagMacbeth Advanced Technologies Center
79 T. W. Alexander Drive - Bldg. 4401 - Suite 250
PO Box 14026
Research Triangle Park, North Carolina 27709-4026  USA
Phone:  919-549-7575 x239,  Fax: 919-549-0421		

http://www.gretagmacbeth.com/		
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