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From Jeff Turner <j...@socialchange.net.au>
Subject Re: Tomcat - Error Handler
Date Wed, 22 Nov 2000 02:48:09 GMT

Doh, was running on 3.2b6. It's fixed in 3.2b8. Sorry for wasting your
time.

--Jeff

On Wed, 22 Nov 2000, Jeff Turner wrote:

> Hi,
> 
> I get the same exception when using the JSP error handler after a
> <jsp:include>, eg:
> 
> ---- index.jsp ----
> <%@ page errorPage="error.jsp" %>
> <jsp:include page="foo.html" flush="true"/>
> <% if (true) throw new RuntimeException("An exception"); %>
> -------------------
> 
> ---- error.jsp ----
> <%@ page isErrorPage="true" %>
> Error page
> ------------------
> 
> (foo.html can be blank)
> 
> Now when I go to index.jsp, I get the following exception:
> 
> Error: 500
> 
> Location:/index.jsp
> 
> Internal Servlet Error:
> 
> java.lang.IllegalStateException: Cannot forward as OutputStream or Writer
> has already been obtained
>         at
> org.apache.tomcat.facade.RequestDispatcherImpl.forward(RequestDispatcherImpl.java,
> Compiled Code)
>         at
> org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java,
> Compiled Code)
>         at
> org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java,
> Compiled Code)
>         at
> _0002findex_0002ejspindex_jsp_9._jspService(_0002findex_0002ejspindex_jsp_9.java,
> Compiled Code)
>         at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java,
> Compiled Code)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java,
> Compiled Code)
>         at
> org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java,
> Compiled Code)
>         at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java,
> Compiled Code)
>         at org.apache.jasper.servlet.JspServlet.service(JspServlet.java,
> Compiled Code)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java,
> Compiled Code)
>         at
> org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java,
> Compiled Code)
>         at org.apache.tomcat.core.Handler.service(Handler.java, Compiled
> Code)
>         at
> org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java,
> Compiled Code)
>         at
> org.apache.tomcat.core.ContextManager.internalService(ContextManager.java,
> Compiled Code)
>         at
> org.apache.tomcat.core.ContextManager.service(ContextManager.java,
> Compiled Code)
>         at
> org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java,
> Compiled Code)
>         at
> org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java,
> Compiled Code)
>         at
> org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java,
> Compiled Code)
>         at java.lang.Thread.run(Thread.java, Compiled Code)
> 
> 
> --Jeff
> 
> 
> On Thu, 16 Nov 2000, Sumit Vohra wrote:
> 
> > Hi guys, 
> > 
> >   I have been trying to replace the JSDK web server backend with Tomcat,
> > and I have a message brokering servlet which works fine on JSDK when
> > applications connect to it. This servlet brokers both plain and multipart
> > messages. Now, as I mentioned it works fine on JSDK, on Tomcat, only
> > multipart messages are going through, plain messages are not. And, also
> > when I try to connect the monitoring application for the servlet to the
> > servlet, to get status information  it gives exceptions which it
> > did not at all on JSDK web server. The exception on server is: 
> > ==================================================================
> > ERROR: can't find default error handler or error in default error page
> > java.lang.IllegalStateException: Write is already being used for this
> > request 
> > at 
> > org.apache.tomcat.core.ResponseImpl.getOutputStream(ResponseImpl.java:458)
> > at 
> > org.apache.tomcat.core.HttpServletResponseFacade.getOutputStream(HttpServl
> > etResponseFacade.java:144)
> >  :
> >  :
> > ====================================================================
> > 
> > Could anybody please tell me why this is happening and what is the
> > difference in JSDK Web Server and Tomcat's message handling techniques
> > regarding multipart and plain. 
> > 
> > I appreciate it. 
> > Thanks in advance
> > -sumit 
> > 
> > 					
> > 			-Sumit Vohra (sumit143@cc.gatech.edu)
> > 
> 
> 


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