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Posted to fop-users@xmlgraphics.apache.org by Mohammed Amin <mo...@yahoo.com> on 2006/06/06 12:07:42 UTC
NullPointerException when trying to run FopPrintServlet
Dear All,
I'm trying to run the FopPrintServlet shipped with FOP 0.20.5 bin release but i got the following exception on the java line code "driver.render (input.getParser(), input.getInputSource());" :
java.lang.NullPointerException
at oracle.xml.jaxp.JXTransformer.reportXSLException(JXTransformer.java:776)
at oracle.xml.jaxp.JXTransformer.transform(JXTransformer.java:343)
at oracle.xml.jaxp.JXTransformerHandler.endDocument(JXTransformerHandler.java:141)
at oracle.xml.parser.v2.NonValidatingParser.parseDocument(NonValidatingParser.java:286)
at oracle.xml.parser.v2.XMLParser.parse(XMLParser.java:184)
at oracle.xml.jaxp.JXXMLFilter.parse(JXXMLFilter.java:96)
at org.apache.fop.apps.Driver.render(Driver.java:498)
at ws.its.esc.bp.test.FopPrintServlet.renderXML(FopPrintServlet.java:100)
at ws.its.esc.bp.test.FopPrintServlet.doPost(FopPrintServlet.java:68)
at ws.its.esc.bp.test.FopPrintServlet.doGet(FopPrintServlet.java:47)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
at oracle.security.jazn.oc4j.JAZNFilter.doFilter(Unknown Source)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:649)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
at java.lang.Thread.run(Thread.java:534)
any help is appreciated to fix this problem.
Thanks,
Mohammed Amin
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Re: NullPointerException when trying to run FopPrintServlet
Posted by Jeremias Maerki <de...@jeremias-maerki.ch>.
Please replace the Oracle XML libraries with those from Apache (Xerces-J
and Xalan-J). The Oracle XML libraries are very buggy. We've had this
problem reported a number of times now. Even better would be if someone
finally brought this to Oracle's attention so they fix their buggy
software.
On 06.06.2006 12:07:42 Mohammed Amin wrote:
> Dear All,
>
> I'm trying to run the FopPrintServlet shipped with FOP 0.20.5 bin release but i got the following exception on the java line code "driver.render (input.getParser(), input.getInputSource());" :
>
>
> java.lang.NullPointerException
> at oracle.xml.jaxp.JXTransformer.reportXSLException(JXTransformer.java:776)
> at oracle.xml.jaxp.JXTransformer.transform(JXTransformer.java:343)
> at oracle.xml.jaxp.JXTransformerHandler.endDocument(JXTransformerHandler.java:141)
> at oracle.xml.parser.v2.NonValidatingParser.parseDocument(NonValidatingParser.java:286)
> at oracle.xml.parser.v2.XMLParser.parse(XMLParser.java:184)
> at oracle.xml.jaxp.JXXMLFilter.parse(JXXMLFilter.java:96)
> at org.apache.fop.apps.Driver.render(Driver.java:498)
> at ws.its.esc.bp.test.FopPrintServlet.renderXML(FopPrintServlet.java:100)
> at ws.its.esc.bp.test.FopPrintServlet.doPost(FopPrintServlet.java:68)
> at ws.its.esc.bp.test.FopPrintServlet.doGet(FopPrintServlet.java:47)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
> at oracle.security.jazn.oc4j.JAZNFilter.doFilter(Unknown Source)
> at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:649)
> at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
> at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)
> at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)
> at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)
> at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
> at java.lang.Thread.run(Thread.java:534)
>
>
>
>
> any help is appreciated to fix this problem.
Jeremias Maerki
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