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From Jeff Gregory <hokieje...@yahoo.com>
Subject Re: [jelly] Re: executing dynamically created scripts
Date Thu, 06 Jan 2005 07:56:45 GMT
done. The bug is #JELLY-189
http://issues.apache.org/jira/browse/JELLY-189


--- Dion Gillard <dion.gillard@gmail.com> wrote:

> This is a bug in Jelly. Could you please raise a bug
> in the issue
> tracking system for Jelly:
>
http://issues.apache.org/jira/secure/BrowseProject.jspa?id=10012
> 
> so that we can fix and track it.
> 
> Thanks
> 
> On Wed, 5 Jan 2005 21:53:32 -0800 (PST), Jeff
> Gregory
> <hokiejeffg@yahoo.com> wrote:
> > Hello,
> > 
> > I'm implementing a message bus and some adapters.
> > We're using XML as the message transport device
> and
> > XSLT to transform the messages into Jelly scripts.
> The
> > jelly script contains SQL commands that update our
> > database with the contents of the message. So the
> > jelly script is not from a file or URL, it's the
> > output of a XSLT transformation and so a string
> > buffer. Whenever I run the script, I get an
> exception
> > complaining about the JellyContextURL being null.
> So
> > can I execute jelly scripts that are not persisted
> > somewhere? What do I put in for the URL? Below is
> my
> > code and stack trace. I've successfully executed
> the
> > contents of the message consumed here by copying
> it to
> > a file and running the command line version of
> jelly,
> > so the jelly script itself doesn't appear to be
> the
> > problem. Thanks for any help.
> > 
> >         public StringBuffer filter(StringBuffer
> message)
> > throws FilterException {
> > 
> >             OutputStream output = new
> > ByteArrayOutputStream();
> >             try {
> >             XMLOutput xmlOutput =
> > XMLOutput.createXMLOutput(output);
> >             InputSource script = new InputSource(
> new
> > StringReader(message.toString()) );
> >             context = new JellyContext();
> >             context.runScript( script, xmlOutput);
> >             xmlOutput.flush();
> >         } catch (Exception e) {
> >             throw new FilterException(e);
> >         }
> > 
> >                 return new
> StringBuffer(output.toString());
> >         }
> > 
> > java.lang.NullPointerException
> > at
> >
>
org.apache.commons.jelly.JellyContext.getJellyContextURL(JellyContext.java:947)
> >         at
> >
>
org.apache.commons.jelly.JellyContext.runScript(JellyContext.java:670)
> >         at
> >
>
org.apache.commons.jelly.JellyContext.runScript(JellyContext.java:588)
> >         at
> >
>
eai.routing.filters.JellyFilter.filter(JellyFilter.java)
> >         at
> >
> eai.routing.MessagePipe.process(MessagePipe.java:69)
> >         at
> >
>
eai.services.MessageListenerBean.onMessage(MessageListenerBean.java:57)
> >         at
> >
>
com.ibm.ejs.jms.listener.MDBWrapper$PriviledgedOnMessage.run(MDBWrapper.java:316)
> >         at
> >
>
com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:63)
> >         at
> >
>
com.ibm.ejs.jms.listener.MDBWrapper.callOnMessage(MDBWrapper.java:285)
> > at
> >
>
com.ibm.ejs.jms.listener.MDBWrapper.onMessage(MDBWrapper.java:263)
> > at
> com.ibm.mq.jms.MQSession.run(MQSession.java:1650)
> > at
> >
>
com.ibm.ejs.jms.JMSSessionHandle.run(JMSSessionHandle.java:960)
> >         at
> >
>
com.ibm.ejs.jms.listener.ServerSession.connectionConsumerOnMessage(ServerSession.java:813)
> >         at
> >
>
com.ibm.ejs.jms.listener.ServerSession.onMessage(ServerSession.java:614)
> >         at
> >
>
com.ibm.ejs.jms.listener.ServerSession.dispatch(ServerSession.java:581)
> >         at
> >
> sun.reflect.GeneratedMethodAccessor70.invoke(Unknown
> > Source)
> >         at
> >
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:62)
> >         at
> java.lang.reflect.Method.invoke(Method.java:391)
> >         at
> >
>
com.ibm.ejs.jms.listener.ServerSessionDispatcher.dispatch(ServerSessionDispatcher.java:37)
> >         at
> >
>
com.ibm.ejs.container.MDBWrapper.onMessage(MDBWrapper.java:91)
> >         at
> >
>
com.ibm.ejs.container.MDBWrapper.onMessage(MDBWrapper.java:127)
> >         at
> >
>
com.ibm.ejs.jms.listener.ServerSession.run(ServerSession.java:456)
> >         at
> >
>
com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1332).run(ThreadPool.java:1332)
> > 
> > __________________________________
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> >
>
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> 
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