Howdy,
If it's a tomcat bug, it's a very peculiar one. You need to walk
through the code in your JSP and make sure you're not calling
getWriter() twice on the response.

Yoav Shapira
Millennium ChemInformatics


>-----Original Message-----
>From: Seth Ladd [mailto:seth@(protected)]
>Sent: Monday, December 15, 2003 1:30 PM
>To: tomcat-user@(protected)
>Subject: [Fwd: Re: [Opensymphony-sitemesh] Problems with SM 2.0.1
Example
>and Tomcat 5.0.16]
>
>Hello,
>
>I'm sorry for the forward, but Scott from Sitemesh thought that a
>problem I was experiencing was a Tomcat bug.
>
>Below is a stacktrace I'm experiencing when running the sitemesh
example
>webapp in Tomcat 5.0.16 (SuSE 9, JDK 1.4.2). Scott thinks it's a
Tomcat
>5 bug.
>
>Would the stacktrace appear to be a problem with the sitemesh example
>webapp or with Tomcat?
>
>Thanks very much for your help,
>Seth
>
>
>
>-------- Original Message --------
>Subject: Re: [Opensymphony-sitemesh] Problems with SM 2.0.1 Example and
>Tomcat 5.0.16
>Date: Mon, 15 Dec 2003 15:38:59 +1100
>From: Scott Farquhar <scott@(protected)>
>To: Seth Ladd <seth@(protected)>
>CC: opensymphony-sitemesh@(protected)
>References: <3FDA170A.70806@(protected)>
>
>Seth,
>
>I believe that Sitemesh runs fine under Tomcat 4, but it hasn't been
>tested yet on Tomcat 5.
>
> From the stack trace, it looks like a Tomcat 5 bug - you should always
>be able to get a writer from a JSP?
>
>Can you try the test suite and see if it works for you?
>
>Cheers,
>Scott
>
>Seth Ladd wrote:
>
>> Hello,
>>
>> I am just experimenting with SiteMesh, and ran into some problems. I
>> have deployed the sitemesh-example.war from the 2.0.1 release to
Tomcat
>> 5.0.16.
>>
>> The first problem I have is that the web.xml contains some invalid
>configs.
>>
>> The <url-pattern>*</url-pattern> should be
>> <url-pattern>/*</url-pattern>. Once I changed this, the war was able
to
>> deploy.
>>
>> Then, when I try to access the example webapp, I receive this error:
>>
>> java.lang.IllegalStateException: getOutputStream() has already been
>> called for this response
>>
>org.apache.coyote.tomcat5.CoyoteResponse.getWriter (CoyoteResponse.java:
611)
>>
>>
>org.apache.coyote.tomcat5.CoyoteResponseFacade.getWriter(CoyoteResponse
Faca
>de.java:190)
>>
>>
>javax.servlet.ServletResponseWrapper.getWriter(ServletResponseWrapper.j
ava:
>156)
>>
>>
>org.apache.jasper.runtime.JspWriterImpl.initOut (JspWriterImpl.java:167)
>>
>org.apache.jasper.runtime.JspWriterImpl.flushBuffer (JspWriterImpl.java:
160)
>>
>>
org.apache.jasper.runtime.JspWriterImpl.flush (JspWriterImpl.java:214)
>>
>org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.j
ava:
>990)
>>
>>
>org.apache.jasper.runtime.PageContextImpl.include (PageContextImpl.java:
626)
>>
>>
>com.opensymphony.module.sitemesh.taglib.page.ApplyDecoratorTag.doEndTag
(App
>lyDecoratorTag.java:254)
>>
>>
>org.apache.jsp.decorators.main_jsp._jspx_meth_page_applyDecorator_0(mai
n_js
>p.java:171)
>>
>>   org.apache.jsp.decorators.main_jsp._jspService(main_jsp.java:80)
>>
org.apache.jasper.runtime.HttpJspBase.service (HttpJspBase.java:133)
>>   javax.servlet.http.HttpServlet.service (HttpServlet.java:856)
>>
>org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.j
ava:
>311)
>>
>>
>org.apache.jasper.servlet.JspServlet.serviceJspFile (JspServlet.java:301
)
>>
>>   org.apache.jasper.servlet.JspServlet.service (JspServlet.java:248)
>>   javax.servlet.http.HttpServlet.service (HttpServlet.java:856)
>>
>com.opensymphony.module.sitemesh.filter.PageFilter.applyDecorator(PageF
ilte
>r.java:169)
>>
>>
>com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.
java
>:68)
>>
>>
>>
>> I'm not sure how to fix this one. Any ideas or tips?
>>
>> Thanks very much!
>> Seth
>>
>
>
>
>
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