Fix problem observed running Autobahn WebSocket test suite. If an error occurs, an UpgradeProcessor could be added to the HttpProcessor pool leading to the failure of the subsequent request.
Fix problem observed running Autobahn WebSocket test suite. If an error
occurs, an UpgradeProcessor could be added to the HttpProcessor pool
leading to the failure of the subsequent request.

git-svn-id: 79cef5a5a257cc9dbe40a45ac190115b4780e2d0@1291261 13f79535-47bb-0310-9956-ffa450edef68

apache/tomcat,Nickname0806/Test_Q4,Nickname0806/Test_Q4,apache/tomcat,Nickname0806/Test_Q4,apache/tomcat,Nickname0806/Test_Q4,apache/tomcat,apache/tomcat