Configuring Tomcat's URI encoding(Confluence User Guides and Documents)
default, Tomcat uses ISO88591 character encoding when decoding URLs received from a browser. This can cause problems when Confluence's encoding is UTF8, and you are using international characters in attachment or page names. # Edit {{conf/server.xml}} and find ... Other labels:
connector, mod_jk, tomcat, apache, i18n, unicode, international, url ...