Disabling the response for futher out
JDK 1.4.2 Tomcat 5.0.19 I'd be ecstatic if someone sheds some light on why I see this in my log: 2004-08-27 10:14:31,324 [http8080-Processor24] DEBUG org.apache.catalina.core.ApplicationDispatcher - Disabling the response for futher output The context is: 2004-08-27 10:14:31,262 [http8080-Processor24] DEBUG org.apache.struts.tiles.TilesRequestProcessor - processForwardConfig(/portlet/md/save.do, false) 2004-08-27 10:14:31,262 [http8080-Processor24] DEBUG org.apache.struts.tiles.TilesRequestProcessor - '/portlet/md/save.do' - processed as uri 2004-08-27 10:14:31,277 [http8080-Processor24] DEBUG org.apache.struts.action.RequestProcessor - processForwardConfig(ForwardConfig[name=customize,path=/portlet/md/save. do,redirect=false,contextRelative=false]) 2004-08-27 10:14:31,293 [http8080-Processor24] DEBUG org.apache.catalina.core.ApplicationDispatcher - servletPath=/portlet/md/save.do, pathInfo=null, queryString=null, name=null 2004-08-27 10:14:31,309 [http8080-Processor24] DEBUG org.apache.catalina.core.ApplicationDispatcher - Path Based Forward 2004-08-27 10:14:31,324 [http8080-Processor24] DEBUG org.apache.catalina.core.ApplicationDispatcher - Disabling the response for futher output 2004-08-27 10:14:31,324 [http8080-Processor24] DEBUG org.apache.catalina.core.ApplicationDispatcher - The Response is vehiculed using a wrapper: org.apache.taglibs.standard.tag.common.core.ImportSupport$ImportResponse Wrapper I never see the output of /portlet/md/save.do. Thanks, Derek Richardson - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Disabling the response for futher out
Thanks for the code reference. I looked at it and the message I highlighted is logged immediately after the call to processRequest() that does the actual forward. processRequest can return without doing anything and not throw an error in the case that request.getAttribute(ApplicationFilterFactory.DISPATCHER_TYPE_ATTR) is null. In Globals (where the constant originates), it is commented Request dispatcher state. There's a method (matchDispatcher()) which enumerates some values based on FilterMap, like FORWARD,FORWARD_ERROR,INCLUDE_FORWARD,INCLUDE_ERROR_FORWARD,REQUEST_FORW ARD, etc. I would think that, when the code initiates a forward, that this would be set, but it seems that, in this case, it is not. It seems to me, naively, that if the forward isn't going to be performed, that an error should be thrown, or at least a log message explaining what went wrong. Something else I discovered is that, if I do includes instead of forwards, I see the contents I'm looking for. Unfortunately, I'm using struts and thus am concerned that there are side-effects to changing the RequestProcessor to do includes instead of forwards. In any case, more help is appreciated. Thanks, Derek Richardson -Original Message- From: Shapira, Yoav [mailto:[EMAIL PROTECTED] Sent: Friday, August 27, 2004 2:52 PM To: Tomcat Users List Subject: RE: Disabling the response for futher out Hi, Maybe something is close the response writer? Maybe ImportResponseWrapper is doing that? Anyways, grep http://cvs.apache.org/viewcvs.cgi/jakarta-tomcat-catalina/cata lina/src/s hare/org/apache/catalina/core/ApplicationDispatcher.java?rev=1 .39view=m arkup for Disabling the response if you're interested in the code. Yoav Shapira Millennium Research Informatics -Original Message- From: Derek Richardson [mailto:[EMAIL PROTECTED] Sent: Friday, August 27, 2004 2:28 PM To: Tomcat Users List Subject: Disabling the response for futher out JDK 1.4.2 Tomcat 5.0.19 I'd be ecstatic if someone sheds some light on why I see this in my log: 2004-08-27 10:14:31,324 [http8080-Processor24] DEBUG org.apache.catalina.core.ApplicationDispatcher - Disabling the response for futher output The context is: 2004-08-27 10:14:31,262 [http8080-Processor24] DEBUG org.apache.struts.tiles.TilesRequestProcessor - processForwardConfig(/portlet/md/save.do, false) 2004-08-27 10:14:31,262 [http8080-Processor24] DEBUG org.apache.struts.tiles.TilesRequestProcessor - '/portlet/md/save.do' - processed as uri 2004-08-27 10:14:31,277 [http8080-Processor24] DEBUG org.apache.struts.action.RequestProcessor - processForwardConfig(ForwardConfig[name=customize,path=/portl et/md/save . do,redirect=false,contextRelative=false]) 2004-08-27 10:14:31,293 [http8080-Processor24] DEBUG org.apache.catalina.core.ApplicationDispatcher - servletPath=/portlet/md/save.do, pathInfo=null, queryString=null, name=null 2004-08-27 10:14:31,309 [http8080-Processor24] DEBUG org.apache.catalina.core.ApplicationDispatcher - Path Based Forward 2004-08-27 10:14:31,324 [http8080-Processor24] DEBUG org.apache.catalina.core.ApplicationDispatcher - Disabling the response for futher output 2004-08-27 10:14:31,324 [http8080-Processor24] DEBUG org.apache.catalina.core.ApplicationDispatcher - The Response is vehiculed using a wrapper: org.apache.taglibs.standard.tag.common.core.ImportSupport$Imp ortRespons e Wrapper I never see the output of /portlet/md/save.do. Thanks, Derek Richardson - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Wrapping response causing premature stream closure
I am attempting to wrap the HttpServletResponse to apply gzip compression on data sent to the client when gzip is supported. I have written a filter (based on published code) that works fine with static content. I, however, have a problem when applying it to dynamic content. The dynamic content is written using Struts and it seems to be breaking during the tiles includes. However, struts does not seem to be the culprit - the same code works fine without the filter. The problem is straightforward - I receive a java.io.IOException: Stream closed message. I am not including the stack trace because, in my mind (which I am out of with frustration at this moment), the problem is not where the closed stream is detected, but where it is closed. I placed a log statement in my wrapper to dump a stack trace when close() is called and this stack trace is included below. It seems that close() is being called from org.apache.catalina.core.ApplicationDispatcher.doForward(). But my confusion is how my wrapper could be causing this closure, since the application works fine without the wrapper. My question is: what could I be doing in the request or output stream wrappers that would cause the stream to be closed? The wrapper source code is also below. Thanks, Derek Richardson 2004-01-15 16:34:21,092 [http8080-Processor3] DEBUG com.appiancorp.ap2.Compressi onResponseStream - Closing... java.lang.Exception at com.appiancorp.ap2.CompressionResponseStream.close(Unknown Source) at sun.nio.cs.StreamEncoder$CharsetSE.implClose(StreamEncoder.java:431) at sun.nio.cs.StreamEncoder.close(StreamEncoder.java:160) at java.io.OutputStreamWriter.close(OutputStreamWriter.java:222) at java.io.PrintWriter.close(PrintWriter.java:137) at org.apache.jasper.runtime.JspWriterImpl.close(JspWriterImpl.java:223) at java.io.PrintWriter.close(PrintWriter.java:137) at org.apache.jasper.runtime.JspWriterImpl.close(JspWriterImpl.java:223) at java.io.PrintWriter.close(PrintWriter.java:137) at org.apache.jasper.runtime.JspWriterImpl.close(JspWriterImpl.java:223) at java.io.PrintWriter.close(PrintWriter.java:137) at org.apache.jasper.runtime.JspWriterImpl.close(JspWriterImpl.java:223) at java.io.PrintWriter.close(PrintWriter.java:137) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationD ispatcher.java:453) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDis patcher.java:356) at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor. java:1069) at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestP rocessor.java:274) at org.apache.struts.action.RequestProcessor.processForwardConfig(Reques tProcessor.java:455) at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(Ti lesRequestProcessor.java:320) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.ja va:279) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:148 2) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDisp atcher.java:684) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationD ispatcher.java:575) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDis patcher.java:498) at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary .java:822) at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.jav a:398) at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:13 7) at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:177) at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:756 ) at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(Inser tTag.java:881) at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:473) at org.apache.jsp.portlet_default_jsp._jspx_meth_t_insert_0(portlet_defa ult_jsp.java:1099) at org.apache.jsp.portlet_default_jsp._jspService(portlet_default_jsp.ja va:364) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper .java:210) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:2 95) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241
