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From Hunter Hillegas <>
Subject RE: Bug in Tomcat? Response already committed?
Date Fri, 11 Aug 2000 15:12:08 GMT
I added a simple error page that is supposed to print the exception but the
page isn't getting called (it just sits on the other page with the Error 500
half-way down).

Any other suggestions? I do do an include after the offending code, but
that's done in Sun's examples and on other pages of mine that work so that
can't be illegal (besides the fact it would remove a lot of the power of

Hunter Hillegas, MCP
Web Engineer / System Administrator - Jacob Stern & Sons, Inc.
805-565-1411 PH * 805-565-8684 FAX

 -----Original Message-----
Sent:	Thursday, August 10, 2000 10:22 PM
Subject:	Re: Bug in Tomcat? Response already committed?

I had a hard time with this error several times.
Have a look at the mailing list archives there should be plenty of

If i remember well it has to do with lack of errorPage="error.jsp" attribute
in the <% page declaration.
Try to add an error page.
There is an error in either your bean or the .jsp page but the message is

In any case it has nothing to do with obtaining an outputstream before you
forward as it looks like in the beginning..

----- Original Message -----
From: Hunter Hillegas <>
To: <>
Sent: Thursday, August 10, 2000 6:03 PM
Subject: Bug in Tomcat? Response already committed?

> I tried to search the bug database for Jakarta stuff - but it's down...
> Any way, I'm trying to figure out if I found a bug or what...
> I'm using Tomcat 3.1 (release) on JDK1.3 (beta) on Linux 2.2 (Debian).
> I have a JSP page that creates instances of a class called shoppingCart.
> The shoppingCart class contains a vector that stores objects of another
> class called cartItem.
> There is a method in shoppingCart that returns cartItem by vector index
> number. The problem comes when I call this method:
> I get this error:
> Error: 500
> Location: /e_commerce/index.jsp
> Internal Servlet Error:
> java.lang.IllegalStateException: Response has already been committed
> at
> at
> org.apache.jasper.runtime.JspServlet.unknownException(
> at org.apache.jasper.runtime.JspServlet.service(
> at javax.servlet.http.HttpServlet.service(
> at
> at
> org.apache.tomcat.core.ContextManager.service(
> at
> (
> at
> )
> at
> I tried substituting the return with a pre-defined cartItem instead of
> looking it up in the vector to make sure it wasn't failing on the vector
> lookup... The HTML in the page before the method call comes to the browser
> just fine but the rest of the HTML, including a JSP include of a footer
> page, doesn't come across.
> I've had very little success with the tomcat-users mailing list so I
> I'd ask some of the developers. Any help is appreciated!
> Hunter Hillegas, MCP
> Web Engineer / System Administrator - Jacob Stern & Sons, Inc.
> 805-565-1411 PH * 805-565-8684 FAX

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