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From: =?iso-8859-1?Q?Michael_S=FCdkamp?= <michael.suedkamp@docware.de>
To: <tomcat-dev@jakarta.apache.org>
Cc: "'Docware, Peter, Christian'" <christian.peter@docware.de>
Subject: default charset for text/*
Date: Mon, 26 Jul 2004 13:34:21 +0200
Message-ID: <007801c47304$7fb77750$670a0a0a@Fuerth.docware.de>
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Hello,

In our web-app that runs with Tomcat 4.1.29 we set the content-type to =
"text/xml" in a servlet that serves an XML file. The XML encoding =
normally is UTF-8. We observed that special characters show up wrong in =
the browser. Packet sniffing revealed that Tomcat changed the =
content-type to "text/xml;charset=3DISO-8859-1" which was not the case =
with earlier Tomcat versions.

I looked up the bug database and the mailing list for this behaviour and =
read that Tomcat behaves like this for alle "text/*" content types where =
the charset is mising.

To fix this I can change the mime-type-definition in web.xml to =
"text/xml;charset=3DUTF-8" or add this in my servlet. But If my servlet =
has to serve ISO-8859-1 XML files that would be also wrong. Should I =
parse the resource prior to serving it in order to determine the =
encoding?

I cannot find the strong requirement to add the default charset in the =
HTTP spec. I read a discussion in the list that the JSP spec requires it =
- but also for a servlet? I think the charset is added by the Coyote =
connector so from the connector's point of view servlets and =
JSP-servlets are the same.

Doesn't it make sense to omit the default charset for XML files because =
XML files normally should carry their encoding in the header? Then the =
browser could get the encoding from there as it was done with earlier =
Tomcat versions.

What is your opionion?

Best Regards

Michael


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