1632620 - XI 3.1 - WebSphere logs contain numerous "OutputStream already obtained"

[8/29/11 2:14:03:686 CEST] 0000001b servlet       E com.ibm.ws.webcontainer.servlet.ServletWrapper service SRVE0068E: Uncaught exception created in one of the service methods of the servlet /viewers/cdz_adv/getImage.jsp in application AnalyticalReporting. Exception created : java.lang.IllegalStateException: SRVE0199E: OutputStream already obtained
 at com.ibm.ws.webcontainer.srt.SRTServletResponse.getWriter(SRTServletResponse.java:742)
 at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:201)
 at org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:189)
 at org.apache.jasper.runtime.PageContextImpl.release(PageContextImpl.java:262)
 at org.apache.jasper.runtime.JspFactoryImpl.internalReleasePageContext(JspFactoryImpl.java:177)
 at org.apache.jasper.runtime.JspFactoryImpl.releasePageContext(JspFactoryImpl.java:144)
 at com.ibm._jsp._getImage._jspService(_getImage.java:135)
 at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:99)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:831)
 at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1657)
 at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1597)
 at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:131)
 at com.businessobjects.webutil.websessiontimeout.WebSessionTimeoutFilter.doFilter(WebSessionTimeoutFilter.java:161)
 at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
 at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
 at com.businessobjects.adv_ivcdzview.SetCharacterEncodingFilter.doFilter(Unknown Source)
 at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
 at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
 at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:77)
 at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:908)
 at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:934)
 at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:502)
 at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:179)
 at com.ibm.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:121)
 at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionServletWrapper.handleRequest(AbstractJSPExtensionServletWrapper.java:259)
 at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3933)
 at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:276)
 at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:931)
 at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1583)
 at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:186)
 at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:452)
 at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:511)
 at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:305)
 at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:83)
 at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:557)
 at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:607)
 at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:984)
 at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1069)
 at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1604)