Rework the fix for 56190 as the previous fix did not recycle the request in all cases leading to mis-routing of requests. 

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1580080 13f79535-47bb-0310-9956-ffa450edef68
Fix changelog

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1580084 13f79535-47bb-0310-9956-ffa450edef68