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Re: JSP page directive contentType overriden by Apache tomcat?

From: A. Vine <andrea.vine@sun.com>
Date: Fri, 16 Jul 2004 15:31:25 -0700
To: aphillips@webmethods.com
Cc: Paul Deuter <Paul.Deuter@plumtree.com>, Jungshik Shin <jshin@i18nl10n.com>, www-international@w3.org
Message-id: <40F8573D.3020208@sun.com>

This article may help:
http://java.sun.com/developer/technicalArticles/Intl/MultilingualJSP/

Addison Phillips [wM] wrote:

> ... and watch out for custom filters! They can cause the problems you're experiencing (by modifying the content type or setting the locale) and may not show up anywhere in your JSP or its references.
> 
> Addison
> 
> Addison P. Phillips
> Director, Globalization Architecture
> webMethods | Delivering Global Business Visibility
> http://www.webMethods.com
> Chair, W3C Internationalization (I18N) Working Group
> Chair, W3C-I18N-WG, Web Services Task Force
> http://www.w3.org/International
> 
> Internationalization is an architecture. 
> It is not a feature.
> 
> 
>>-----Original Message-----
>>From: www-international-request@w3.org
>>[mailto:www-international-request@w3.org]On Behalf Of Paul Deuter
>>Sent: 2004年7月16日 15:25
>>To: Jungshik Shin; www-international@w3.org
>>Subject: AW: JSP page directive contentType overriden by Apache tomcat?
>>
>>
>>Hi Jungshik,
>>
>>We have seen problems like this too.  When we have investigated, 
>>we found that a call to response.setLocale will cause the 
>>content-type header to be overwritten.  This will happen if you 
>>use any of the fmt tags in JSTL.
>>
>>We ended up resetting the content-type several times.  This 
>>workaround is problematic because you can only re-set the 
>>content-type when the response has not been committed.  If the 
>>response buffer is small and the response content is large, then 
>>the first buffer will be sent and after that point, you can no 
>>longer change the content-type header.
>>
>>-Paul
>> 
>>
>>-----Ursprungliche Nachricht-----
>>Von: www-international-request@w3.org 
>>[mailto:www-international-request@w3.org] Im Auftrag von Jungshik Shin
>>Gesendet: Friday, July 16, 2004 2:41 PM
>>An: www-international@w3.org
>>Betreff: Re: JSP page directive contentType overriden by Apache tomcat?
>>
>>
>>Jungshik Shin wrote:
>>
>>I'm sorry I forgot to mention that I use Tomcat 4.1.30 on Mac OS 
>>X with Java 1.4.2 (the latest available for Mac OS 10.3.x)
>>
>>
>>>
>>>
>>>Following the standard-step of adding contentType and pageEncoding 
>>>directives at the beginning of jsp files (I also added 
>>>request.setCharacterEncoding("UTF-8");
>>>along with making sure that
>>>that's honored because recent versions of Apache tomcat by default 
>>>ignores that for GET), I expected everything to work. To my great 
>>>surprise, all the JSP files with 'contentType="text/html; 
>>>charset=UTF-8"' directive still emit 'Content-Type:text/html; 
>>>charset=ISO-8859-1'
>>>in HTTP header. Even more surprsing is that cached versions of 
>>>translated java source files for those jsp files have the following 
>>>line:
>>>
>>>response.setContenttype("text/html; charset=UTF-8");
>>>
>>>It's completely beyond me how I've been getting  'text/html; 
>>>charset=ISO-8859-1' despite that.
>>>e.
>>>
>>
>>Even more strange is that everything works perfectly when I 
>>connect with Safari (locally - http://localhost:8080/.....) while 
>>on the same host Mozilla does have a problem. So does a remote 
>>Mozilla and MS IE.  Is there any built-in 'charset' negotiation 
>>mechanism in Tomcat (or JSP container in general)?
>>
>>Jungshik
>>
>>
>>
> 
> 

-- 
I have always wished that my computer would be as easy to use as my telephone. 
My wish has come true. I no longer know how to use my telephone.
-Bjarne Stroustrup, designer of C++ programming language (1950- )
Received on Friday, 16 July 2004 18:51:00 GMT

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