https://issues.apache.org/bugzilla/show_bug.cgi?id=55019
Preload the Constants class during connector init.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1486638 13f79535-47bb-0310-9956-ffa450edef68
Revert: the issue is not reproduceable on trunk (or 7) without the fix, although I am not sure where the Constants class is actually loaded.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1486641 13f79535-47bb-0310-9956-ffa450edef68