CVS Merge between branches in two different repositories

Folks, I have two different repositories ( basically two trunks ) for the same project. There are branches on both. I would like to merge branch A on trunk 1 with branch B on trunk 2. Is this possible with cvs merge? I tried to do this - with trunk 2 as CVSROOT, cvs co -r B proj. with trunk 1

CVS

Hi All, I'm new to CVS and plan to use it for my next project but currently the CVS server only available in unix version. So, I was wondering is there a version of CVS (server not client) written entirely in Java. If not, does OpenAvenue has any plan for it? Note: I don't have any intention