I'm trying to run the "servlet" example of FOP in OC4J (Oracle App Server
9.0.3) but always get the following error. However when I run the "embedded"
examples I can successfully create the report. Has anyone successfully used
FOP with OC4J? Do you know how to work around the transformer issue? I'm
using the latest FOP and oc4j 9.0.3. 

Thanks.

Li

---------

java.lang.NullPointerException
        at
oracle.xml.jaxp.JXTransformer.reportXSLException(JXTransformer.java:720)
        at oracle.xml.jaxp.JXTransformer.transform(JXTransformer.java:304)
        at
oracle.xml.jaxp.JXTransformerHandler.endDocument(JXTransformerHandler.java:1
37)
        at
oracle.xml.parser.v2.NonValidatingParser.parseDocument(NonValidatingParser.j
ava:268)
        at oracle.xml.parser.v2.XMLParser.parse(XMLParser.java:149)
        at oracle.xml.jaxp.JXXMLFilter.parse(JXXMLFilter.java:91)
        at org.apache.fop.apps.Driver.render(Driver.java:498)
        at FopServlet.renderXML(Unknown Source)
        at FopServlet.doGet(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
        at
oracle.security.jazn.oc4j.JAZNFilter.doFilter(JAZNFilter.java:283)
        at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.j
ava:560)
        at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDis
patcher.java:306)
        at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:
767)
        at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.HttpRequestHandler.run(HttpRequestHandler.java:259)
        at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.HttpRequestHandler.run(HttpRequestHandler.java:106)
        at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.ja
va:803)
        at java.lang.Thread.run(Thread.java:479)


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