UTF-8 character encoding problems for International language in EAP

Issue

Configuring "text/html; charset=utf-8" in JSP, URI query is expected to be encoded/decoded by UTF-8. Looks URI query is encoded by UTF-8 well but it is decoded by "ISO-8859-1". Hence, the characters are broken.

For example:

• On Request JSP page, submit these 2 parameter with GET method:

test=8m² , test2=Cédric

==> URL :  test=8m%c2%b2&test2=C%c3%a9dric&chosenmenu=1 (This URL is correctly encoded (UTF-8 characters escaped for URL))

• On Response JSP page (using JSP EL standard syntax), print the parameters:

test=8m² , test2=Cédric

==> These characters are decoded by ISO-8859-1 encoded

When the system property "org.apache.catalina.connector.USE_BODY_ENCODING_FOR_QUERY_STRING=true" is added on the JVM, the results are correct as expected: the page encoding is used to decode the URI.

Why the page encoding is not used by default for URI decoding ?