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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 47825] New: Setting Cookie with UTF-8 encoded value gives ServletException for 5.5.26+
Date Fri, 11 Sep 2009 14:56:58 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=47825

           Summary: Setting Cookie with UTF-8 encoded value gives
                    ServletException for 5.5.26+
           Product: Tomcat 5
           Version: 5.5.26
          Platform: PC
        OS/Version: All
            Status: NEW
          Keywords: ErrorMessage
          Severity: normal
          Priority: P3
         Component: Catalina
        AssignedTo: dev@tomcat.apache.org
        ReportedBy: daniel.unfried@u-net.de


--- Comment #0 from Daniel Unfried <daniel.unfried@u-net.de> 2009-09-11 07:56:55 PDT
---
Created an attachment (id=24248)
simple Maven2 web project to reproduce the error

Trying to do
  response.addCookie(new Cookie("cookie0", myData));
where myData is a UTF-8 String retrieved through request parameter, all 5.5
versions after and including 5.5.26 produce the following ServletException
error:

javax.servlet.ServletException: Control character in cookie value, consider
BASE64 encoding your value
org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:286)

The instructions from http://wiki.apache.org/tomcat/FAQ/CharacterEncoding to
handle encodings correctly state:
 - Set URIEncoding="UTF-8" on your <Connector> in server.xml
 - Use a character encoding filter with the default encoding set to UTF-8
 - Change all your JSPs to set the correct Content-Type (use <%@page
contentType="mime/type; charset=UTF-8" %>)

Following these instructions I started out with vanilla installations of 5.25,
5.26, 5.27 and 5.28 on both Windows (Vista64) and Linux (Debian 5.0) using
jdk-1.5.0_12 with the only change from default configuration being the
URIEncoding set to UTF-8 in server.xml. By deploying the sample application
attached the error can be reproduced for 5.5.26+.

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