(Note that may apply to other releases, vkak has not verified this in versions other then 4.3.0_CP04, which is what the customer is running.)
"We ran into a problem that after HttpServletResponse#reset was called, any subsequent response.setContentType or response.setCharacterEncoding calls had not effect on changing the content type. And on further investigation, it was found to be a Tomcat issue that was reported and fixed as below:
Apparently the fix is not in the JBoss 4.3.0 GA release (no cp). Is the fix included in any 4.3.0 cp release? Thanks."
"Jboss4.3.0 contains JbossWeb 2.0.0 which is based on 6.0.13 as explained over here
The fix does not appear in
Also the fix does not appear in tomcat 6.0.13
The fix is done in tomcat6.0.16 +
So JbossEAP version 4.3.0 is not containing the fix for the following bugzilla issue