Reporte con iReport en formato PDF
 

Estoy utilizando iReport para crear un reporte en formato PDF, el problema que se presenta es que al generar varios vaces el reporte se cae el Tomcat. El mensaje de error que muestra es:

6/03/2008 01:27:50 PM org.apache.catalina.core.StandardWrapperValve invoke
GRAVE: Servlet.service() para servlet jsp lanzó excepción
java.lang.IllegalStateException: getOutputStream() ya ha sido llamado para esta respuesta
at org.apache.catalina.connector.Response.getWriter(R esponse.java:606)
at org.apache.catalina.connector.ResponseFacade.getWr iter(ResponseFacade.java:195)
at org.apache.jasper.runtime.JspWriterImpl.initOut(Js pWriterImpl.java:124)
at org.apache.jasper.runtime.JspWriterImpl.flushBuffe r(JspWriterImpl.java:117)
at org.apache.jasper.runtime.PageContextImpl.release( PageContextImpl.java:191)
at org.apache.jasper.runtime.JspFactoryImpl.internalR eleasePageContext(JspFactoryImpl.java:115)
at org.apache.jasper.runtime.JspFactoryImpl.releasePa geContext(JspFactoryImpl.java:75)
at org.apache.jsp.jsp.sma_005freportes_005fparametros _005fpdf_jsp._jspService(org.apache.jsp.jsp.sma_00 5freportes_005fparametros_005fpdf_jsp:111)
at org.apache.jasper.runtime.HttpJspBase.service(Http JspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:802)
at org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:332)
at org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:314)
at org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:264)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:802)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11 ConnectionHandler.processConnection(Http11BaseProt ocol.java:667)
at org.apache.tomcat.util.net.PoolTcpEndpoint.process Socket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThr ead.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Unknown Source)