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Title	Accented Characters Converted Badly
Date	27-Apr-2006 16:31:48 EEST
Version	2.4.0
Submitter	Jérôme Duprez
Bug criticality	MediumBug
Browser version	Firefox
Bug status	OpenBug
PageProvider used
Servlet Container	Tomcat 5.5.9
Operating System	Windows XP Pro
URL	http://www.jspwiki.org/wiki/JeromeDuprez
Java version	1.5.0_06

Non latin or non-ASCII7bits characters in certain links are incorrectly escaped by the latest 2.4 engine.

For example, my user page JérômeDuprez is unreachable through a link:

• the link points to JÃRÃ Me Duprez, converted as http://www.jspwiki.org/wiki/J%C3%A9r%C3%B4meDuprez), which does not exist
• whereas it is OK if I write it down in the URL http://www.jspwiki.org/wiki/JérômeDuprez, which gets rewritten as http://www.jspwiki.org/wiki/J%E9r%F4meDuprez

I spotted the problem with the accented characters in my name, but it also surfaces with asian characters, and presumably lots of non-7bits-ASCII characters. That's why I dare to increase the severity.

---

Works perfectly on Tomcat 5.5.16 on OSX... It's probably a configuration, not an engine issue...

---

Yup. Tomcat 5.5. requires URIEncoding="UTF-8" in the proper Connector block of the server.xml file. For example, for the AJP 1.3 connector with Apache, it might say:

    <!-- Define an AJP 1.3 Connector on port 8009 -->
    <Connector port="8009" className="org.apache.coyote.tomcat4.CoyoteConnector"
               enableLookups="false" redirectPort="8443" protocol="AJP/1.3"
               connectionTimeOut="120000" acceptCount="200" maxThreads="250"
               minSpareThreads="25" maxSpareThreads="75" URIEncoding="UTF-8">
         <Logger className="org.apache.catalina.logger.FileLogger"
              prefix="apache_log." suffix=".txt"
              timestamp="true"/>
    </Connector>

Should be working now. -- JanneJalkanen

-- JDuprez right, I configured this for my HTTP connector on 8080, and it worked. Thanks for the support.

Even if it turns out not to be a JSPWiki bug, it deserves some mention in the install documentation (I installed Tomcat out of the box on WinXP, default configuration really). OK I know your answer: feel free to edit the install page :o) Fine, I'll do that.

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Update: I reopen this bug based on new info below. I lower severity though, as there truly is a workaround.

Functionally it appears as a regression between 2.2.33 and 2.4.0 : until I upgraded my Wiki engine to 2.4.0 it did not exhibit this problem regardless of the URIEncoding setting.

• To make sure, I have:
  • removed the URIEncoding field from server.xml
  • run two Wiki web apps (one jspWiki 2.2.33 and another jspWiki 2.4.0) in the same Tomcat instance
• they demonstrate different behavior:
  • 2.4.0 exhibits the problem
  • whereas 2.2.33 works fine
• when I specify URIEncoding="UTF-8", both versions work fine.

If you have time to investigate this issue, it sure helps deployment that JSPWiki works without having to touch the JSP container settings - ease of installation and configuration is indeed one of the strong points of JSPWiki.

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The reason why they are different is probably because you have enabled ShortViewURLConstructor on 2.4.0. Tomcat decodes paths using different rules than parameters...

-- JanneJalkanen

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--JDuprez Fair enough, sounds logical. Note however, that I didn't explicitly specify this URL setting; here is the extract of my jspwiki.properties, related to URLConstructor. notice that everything is comented out (default setting):

#jspwiki.urlConstructor = DefaultURLConstructor
#jspwiki.urlConstructor = ShortViewURLConstructor
#jspwiki.shortURLConstructor.prefix = /wiki

Is ShortViewURLConstructor the default?

Apologies for insistively following up. Strictly speaking, if you're right, this is not a bug report but a support request. Please let's keep the bug open until the reason is sorted out though...

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No, the DefaultURLConstructor is the default. What kind of URLs are you getting?

-- JanneJalkanen

-- JDuprez Well, the same as witnessed on this site when I reported this bug: [JérômeDuprez] generates a link http://localhost:8080/MyWiki/Edit.jsp?page=J%C3%A9r%C3%B4meDuprez, to a page named JÃRÃMeDuprez.

To be honest I'm less concerned by this issue now that I've configured the URIEncoding flag on the couple of Tomcat instances I routinely use. I'll redo the test next time I upgrade the wikis engine version.