See Thread at: http://www.techienuggets.com/Detail?tx=32149 Posted on behalf of a User When a servlet gets a HEAD request the following exception is thrown. It's 100% reproducible. I'm running JBoss 4.2.1 GA. javax.servlet.ServletException: Original SevletResponse or wrapped original ServletResponse not passed to RequestDispatcher in violation of SRV.8.2 and SRV.14.2.5.1 at org.apache.catalina.core.ApplicationDispatcher.checkSameObjects(ApplicationDispatcher.java:1018) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:329) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at showme.servlet.Comments.processRequest(Comments.java:176) at showme.servlet.Comments.doGet(Comments.java:186) at javax.servlet.http.HttpServlet.doHead(HttpServlet.java:271) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241) at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:437) at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:381) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619)