Sorry, I can't reproduce this with Mojarra 2.0.2 on Tomcat 6.0.20. Here's the JSF page I used:
<!DOCTYPE html>
<html
xmlns="http://www.w3.org/1999/xhtml"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html">
<f:loadBundle basename="com.example.i18n.text" var="bundle" />
<h:head>
<title>test</title>
<script>alert('#{bundle.chinese}');</script>
</h:head>
<h:body>
<p>#{bundle.chinese}</p>
</h:body>
</html>
And here is the contents of com/example/i18n/text.properties
.
chinese=\u6C49\u8BED\uFF0F\u6F22\u8A9E\u002C\u0020\u534E\u8BED\uFF0F\u83EF\u8A9E\u0020\u006F\u0072\u0020\u4E2D\u6587
The generated HTML source is:
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<title>test</title>
<script>alert('汉语/漢語, 华语/華語 or 中文');</script></head><body>
<p>汉语/漢語, 华语/華語 or 中文</p></body>
</html>
Probably you're doing some stuff a bit differently and/or using a different JSF impl/version. Aren't you somewhere hardcoding/using a non-UTF-8 character encoding? Watch the IDE settings as well.