I'm having a bear of a time getting FOP V0.20.4 to work with Tomcat 4.0.1/JBoss 2.4.4
on JRE 1.4.0.
I'm getting the following exception when trying to run the Embedded servlet example
from the distribution:
java.lang.LinkageError: loader constraints violated when linking org/xml/sax/XMLReader
class
at org.apache.fop.configuration.ConfigurationReader.createParser(Unknown
Source)
at org.apache.fop.apps.Driver.run(Unknown Source)
at FopServlet.renderFO(FopServlet.java:103)
at FopServlet.doGet(FopServlet.java:71)
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 cleaned my classpath of any XML parser jars to insure I'm using the reference
implementation from JRE 1.4.0. I've also tried it with the Xerces version that came
with FOP and got the same error.
Can anyone help me here? Has anyone ever seen this before or tested with this
configuration?
Thanks,
Rich
--------------------------------------------------------------------
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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