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From: "shyam" <shyam@adamshand.net>
To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
References: <sf797cda.083@prv-mail20.provo.novell.com>
Subject: Re: StackOverFlowError--Please help
Date: Tue, 30 Sep 2003 14:57:25 -0400
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sorri about the code snippet. Heres a complete picture.
if(flag)
{
    rd = context.getRequestDispatcher("/servlet1");
rd.forward(request,response);
}
else
{
      rd = context.getRequestDispatcher("/servlet2");
    rd.forward(request,response);
}
so when the flag is true it should be forwarded to servlet 1 else servlet 2.
----- Original Message ----- 
From: "Jeff Tulley" <JTULLEY@novell.com>
To: <tomcat-user@jakarta.apache.org>
Sent: Tuesday, September 30, 2003 2:53 PM
Subject: Re: StackOverFlowError--Please help


> Is it just me, or are both halves of that if statement exactly
> identical?  Based on this snippet of code only, you should get the same
> results regardless of flag's value.  Is there other code that checks
> this flag, and does the getRequestDispatcher call differently?
>
> It sounds like you are forwarding to yourself, and that whatever logic
> determines the value of flag is based on the forwarded request
> parameters, so it will always keep determining it to be false and
> forward once more to itself => infinite recursion.
>
> Jeff Tulley  (jtulley@novell.com)
> (801)861-5322
> Novell, Inc., The Leading Provider of Net Business Solutions
> http://www.novell.com
>
> >>> shyam@adamshand.net 9/30/03 12:39:12 PM >>>
> Hi All,
> I am having a problem when doing servlet chaining. I have a code
> snippet
> like this
>
> if(flag)
> {
>     requestdispatcher.forward(request,response);
> }
> else
> {
>     requestdispatcher.forward(request,response);
> }
>
> The problem is if flag is true the forward and I get the desired
> result. But
> in the else case I get a java.lang.StackOverFlowError . The stack trace
> is
>
>
> java.lang.StackOverflowError at
>
org.apache.catalina.core.ApplicationHttpRequest.removeAttribute(ApplicationH
> ttpRequest.java:229)
>
> And the error is at the forward of the false case. Can somebody help me
> with
> this problem.
>
> Thanks in advance,
> shyam
>
>
>
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