IllegalStateException thrown-report run from Rep9i Thin Client for WebLogic

Hi,
I am facing a problem when trying to invoke 9i reports (JSP and RDF) from the Reports 9i Thin Client deployed on WebLogic 6.0sp1.
After deployment, I have been able to invoke the rwservlet command help page i.e. http://....../reports/rwservlet successfully.
However, on running any report, WebLogic throws the 'IllegalStateException' error. What could be the problem?

Hi,
Following message is displayed at WebLogic command prompt:
<Mar 17, 2003 10:58:06 AM GMT+05:30> <Error> <HTTP> <[WebAppServletContext(36133
02,web)] Servlet failed with Exception
java.lang.IllegalStateException: Attempt to change ContentType after calling get
Writer() (cannot change charset from 'ISO-8859-1' to 'null')
at weblogic.servlet.internal.ServletResponseImpl.setEncoding(ServletResp
onseImpl.java:607)
at weblogic.servlet.internal.ServletResponseImpl.setContentType(ServletR
esponseImpl.java:237)
at oracle.reports.rwclient.RWClient.handleException(RWClient.java:867)
at oracle.reports.rwclient.RWClient.processRequest(RWClient.java:1238)
at oracle.reports.rwclient.RWClient.doGet(RWClient.java:300)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:213)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:1265)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:1622)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
>
Awaiting for input.
Thanks,
Bharat

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