[cvsnt] Lock server connection in server mode

Arthur Barrett arthur.barrett at march-hare.com
Wed Nov 29 17:09:39 GMT 2006

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You are probably better off discussing this on the cvs-dev list.  You'll
need to send the actual protocol trace and also either a cvslock trace
or a cvsnt server trace.  See the info on "cvslock -test" and
"ServerTraceFile" here:

Note: AFAICT just because a certain sequence of server commands is
possible in the protocol does not mean that it should ever be sent in
that sequence.  Modern best practice is to call out to the CVS or CVSNT
client executable (even from a Java program) - not to send commands
directly to the server.  This is what all the best clients do, including
TortoiseCVS, WinCVS and Oracle Jdeveloper.



-----Original Message-----
From: cvsnt-bounces at cvsnt.org [mailto:cvsnt-bounces at cvsnt.org] On Behalf
Of Thomas Gentsch
Sent: Wednesday, 29 November 2006 11:21 PM
To: cvsnt at cvsnt.org
Subject: [cvsnt] Lock server connection in server mode

Hello *,

after spending quite some I finally found a problem with CVSNT which I'd
like to post for discussion.

Within a java program using the netbeans CVS client, I try to check in a
set of objects. Almost consistently the check-in runs through nicely,
the commit too. Subsequently I want to attach a tag to all the files,
which is preceded by a status operation. The first status call fails:
  Error communicating with lock server (send): No such file or directory

So, the actual sequence is something like:
Happens with :pserver:... as well as with :local:... on a Windows XP
Prof. SP2 with CVSNT It does not happen on any Unix with a
"normal" CVS.

Initially I thought this is some bug, but finally I found in the
sources, that the commit command just calls Lock_Cleanup() or so, which
will close the lock server connection. If I do a reconnect after the
commit(), the status() calls run through! The same happens after the
last status() before the first tag(). Again a reconnect helps. Finally
the same thing after every tag().

This might be OK if used from the command line, but not in server mode.
What do you think?

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