we are running Confluence 3.5 standalone on an Ubuntu server. Apache forwards all requests on Port 80 to Confluence using mod_proxy_ajp, configured in an .htaccess file:
RewriteRule ^(.*)$ ajp://127.0.0.1:8009/$1 [P]
Tomcat is correctly configured with URIEncoding="UTF-8" and the Postgres database also uses UTF-8.
Now I created a test page with the title “Ümläüt–Test” and attach a file “Ümläüt–Test.txt” to it. This is what happens:
This does not make any sense to me, as the URL encoding seems to be correct (else it wouldn’t be possitble to access the page).
When I run a local Confluence 3.5 installation (using atlas-debug), everything behaves the same, except that point 2 instead of point 4 gives me the “Page not found” error, so in that case, passing the attachment name in the URL works but passing the page name doesn’t. Adding URIEncoding="UTF-8" to the server.xml does not change that (although I’m not quite sure if atlas-debug actually uses the settings from that file).
Strangely, we’ve got another server running Confluence 3.2.1_01, and there everything works.
All issues I can find that are related to this seem to be about Confluence 2. Is this a bug introduced in Confluence 3.5 or did I do anything wrong?
I found out something new: I uploaded a file called “ä.txt”. When I clicked on the link inside Confluence, the file name was correctly encoded as “%c3%a4.txt” in the URL. When I accessed it using “%e4.txt” (the ISO-8859-1 representation), the attachment successfully opened!
I found the problem now. Our server is running Ubuntu 8.04 LTS, whose Apache version (2.2.8) is quite old, a lot has been changed since then (see Changelog).
I tried several versions through and found out that the first version where it works is 2.2.12. The important change is probably this:
*) mod_rewrite: When evaluating a proxy rule in directory context, do
escape the filename by default. PR 46428 [Joe Orton]
In the conf/server.xml, in the <Connector> element do you have URIEncoding="UTF-8" ? This is on by default for the 8080 connector but probably not for the Ajp one. You could try it... I would have thought the ajp protocol handled this but worth a try.
Also, for the working confluence instance, is that configured to store attachments in the database or on the filesystem? Same question for the failing one...
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