https://issues.apache.org/bugzilla/show_bug.cgi?id=53353
Priority: P2
Bug ID: 53353
Assignee: dev@tomcat.apache.org
Summary: Malformed contentType attribute results in two charset
values
Severity: normal
Classification: Unclassified
OS: Windows XP
Reporter: knst.koli...@gmail.com
Hardware: PC
Status: NEW
Version: 7.0.27
Component: Catalina
Product: Tomcat 7
If contentType attribute of a JSP page has a broken value, Tomcat 7 can behave
strangely and send two charset values in Content-Type header.
To reproduce:
1. Create this simple JSP file, ROOT/test.jsp
Note, that there is a typo: "UTF-8" instead of "charset=UTF-8". It is what
triggers this issue.
[[[
<%@page pageEncoding="UTF-8" contentType="text/html; UTF-8" %>
Hello world!
]]]
2. Start Tomcat and access the page with Firefox
http://localhost:8080/test.jsp
(I am using version 12, with Live HTTP Headers addon). When the page loads:
right-click -> Page info -> look for the value of Encoding. Then look for the
value of Content-Type header.
With current Tomcat 6.0:
Encoding: UTF-8
Content-Type header: text/html; UTF-8;charset=UTF-8
With current Tomcat 7.0 (7.0.23):
Encoding: ISO-8859-1
Content-Type header: text/html; UTF-8;charset=UTF-8;charset=ISO-8859-1
===============
I think it is related to new contentType header parser (fix for bug 52811:
r1300154 + r1300155 + r1304275 + r1304895).
It is not a very convincing example, but it looks like it confirms the fears
against backporting the fix for bug 52811 to 6.0.
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