Fix remaining Autobahn test failures with APR/native.
Once a close message has been received do not process any more messages from that connection.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1434704 13f79535-47bb-0310-9956-ffa450edef68
Remove unnecessary sync identified by FindBugs

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1434719 13f79535-47bb-0310-9956-ffa450edef68
Suppress a couple of false positives

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1434722 13f79535-47bb-0310-9956-ffa450edef68
Remove unnecessary sync identified by FindBugs

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1434723 13f79535-47bb-0310-9956-ffa450edef68
socket can't be null here

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1434725 13f79535-47bb-0310-9956-ffa450edef68
More FindBugs false positives

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1434731 13f79535-47bb-0310-9956-ffa450edef68