upgrade to jsr311 1.1.1. Version 1.1 of the api jar has a bug in that they did not fix it to comply with C011: http://jcp.org/aboutJava/communityprocess/maintenance/jsr311/311changelog.1.1.html. Version 1.1.1 has the fix.
incubator/wink/trunk/pom.xml
incubator/wink/trunk/wink-itests/wink-itest/wink-itest-contentencode/