<font size="2"><p align="left">I am trying to export a pdf from a jsp page using the crystal report viewer. The jsp is deployed in a .war archive on JBoss 4.0.4. The PDF comes up fine, but each time I make the request I get the error listed below from the JBOSS console. Can anyone explain what is going wrong? How do I make thie message go away?</p><p align="left"> </p><p align="left">16:33:50,966 ERROR [[jsp]] Servlet.service() for servlet jsp threw exception</p></font><u><font size="2" color="#000080">java.lang.IllegalStateException</font></u><font size="2">: getOutputStream() has already been called for this response</font><font size="2"> <p align="left">at org.apache.catalina.connector.Response.getWriter(<u><font size="2" color="#000080">Response.java:599</font></u><font size="2">)at org.apache.catalina.connector.ResponseFacade.getWriter(</font></p></font><u><font size="2" color="#000080">ResponseFacade.java:195</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.jasper.runtime.JspWriterImpl.initOut(<u><font size="2" color="#000080">JspWriterImpl.java:124</font></u><font size="2">)at org.apache.jasper.runtime.JspWriterImpl.flushBuffer(</font></p></font><u><font size="2" color="#000080">JspWriterImpl.java:117</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.jasper.runtime.PageContextImpl.release(<u><font size="2" color="#000080">PageContextImpl.java:191</font></u><font size="2">)at org.apache.jasper.runtime.JspFactoryImpl.internalReleasePageContext(</font></p></font><u><font size="2" color="#000080">JspFactoryImpl.java:115</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.jasper.runtime.JspFactoryImpl.releasePageContext(<u><font size="2" color="#000080">JspFactoryImpl.java:75</font></u><font size="2">)at org.apache.jsp.rptFBATAG_002dviewer_jsp._jspService(</font></p></font><u><font size="2" color="#000080">rptFBATAG_002dviewer_jsp.java:164</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.jasper.runtime.HttpJspBase.service(<u><font size="2" color="#000080">HttpJspBase.java:97</font></u><font size="2">)at javax.servlet.http.HttpServlet.service(</font></p></font><u><font size="2" color="#000080">HttpServlet.java:810</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.jasper.servlet.JspServletWrapper.service(<u><font size="2" color="#000080">JspServletWrapper.java:332</font></u><font size="2">)at org.apache.jasper.servlet.JspServlet.serviceJspFile(</font></p></font><u><font size="2" color="#000080">JspServlet.java:314</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.jasper.servlet.JspServlet.service(<u><font size="2" color="#000080">JspServlet.java:264</font></u><font size="2">)at javax.servlet.http.HttpServlet.service(</font></p></font><u><font size="2" color="#000080">HttpServlet.java:810</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(<u><font size="2" color="#000080">ApplicationFilterChain.java:252</font></u><font size="2">)at org.apache.catalina.core.ApplicationFilterChain.doFilter(</font></p></font><u><font size="2" color="#000080">ApplicationFilterChain.java:173</font></u><font size="2">)</font><font size="2"> <p align="left">at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(<u><font size="2" color="#000080">ReplyHeaderFilter.java:96</font></u><font size="2">)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(</font></p></font><u><font size="2" color="#000080">ApplicationFilterChain.java:202</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.catalina.core.ApplicationFilterChain.doFilter(<u><font size="2" color="#000080">ApplicationFilterChain.java:173</font></u><font size="2">)at org.apache.catalina.core.StandardWrapperValve.invoke(</font></p></font><u><font size="2" color="#000080">StandardWrapperValve.java:213</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.catalina.core.StandardContextValve.invoke(<u><font size="2" color="#000080">StandardContextValve.java:178</font></u><font size="2">)at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(</font></p></font><u><font size="2" color="#000080">SecurityAssociationValve.java:175</font></u><font size="2">)</font><font size="2"> <p align="left">at org.jboss.web.tomcat.security.JaccContextValve.invoke(<u><font size="2" color="#000080">JaccContextValve.java:74</font></u><font size="2">)at org.apache.catalina.core.StandardHostValve.invoke(</font></p></font><u><font size="2" color="#000080">StandardHostValve.java:126</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.catalina.valves.ErrorReportValve.invoke(<u><font size="2" color="#000080">ErrorReportValve.java:105</font></u><font size="2">)at org.apache.catalina.core.StandardEngineValve.invoke(</font></p></font><u><font size="2" color="#000080">StandardEngineValve.java:107</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.catalina.connector.CoyoteAdapter.service(<u><font size="2" color="#000080">CoyoteAdapter.java:148</font></u><font size="2">)at org.apache.coyote.http11.Http11Processor.process(</font></p></font><u><font size="2" color="#000080">Http11Processor.java:869</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(<u><font size="2" color="#000080">Http11BaseProtocol.java:664</font></u><font size="2">)at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(</font></p></font><u><font size="2" color="#000080">PoolTcpEndpoint.java:527</font></u><font size="2">)</font><font size="2"> <p align="left">at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(<u><font size="2" color="#000080">MasterSlaveWorkerThread.java:112</font></u><font size="2">)<p>at java.lang.Thread.run(<u><font size="2" color="#000080">Thread.java:595</font></u><font size="2">)</font></p></font></p></font>
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