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Unchanged Working Copy Reports Lock

From: Grady, Shane <shane.grady_at_fmr.com>
Date: Wed, 21 May 2008 11:53:48 -0400


I have a reoccurring issue where a local working copy that has not been
modified is reporting a lock, on what appear to be random locations
(directories only?); ideas or suggestions would be appreciated.

I have a continuous integration build environment (Ant and CruiseControl
driven) setup where one of the first steps is to update the local
working copy; it then actually copies the checkout to a separate
location where the build will be preformed. The Ant code is nothing

  <taskdef name="svn" classname="org.tigris.subversion.svnant.SvnTask"
    <update dir="${sccs.dir}"/>
    <status path="${sccs.dir}" revisionProperty="repository.revision"/>
  <copy todir="${build.home}">
    <fileset dir="${sccs.dir}" includes="**/*"/>

I've had this setup for quite some time with numerous projects all
utilizing the same build files and RARELY would run into a situation
where the working copy became locked or corrupted and would need to
either manually "cleanup" or even a corrupted disk repaired (though that
would typically occur in the build copy vs. the SVN local working copy).

I recently added a couple projects that are much more active and
building quite frequently (10-20 times daily) and have been doing so for
a few weeks; however, a couple days ago the builds began failing due to
the SVN update having failed due to locked directories...I don't believe
a locked file has been encountered yet.

No modifications occur in the local working copy so I'm curious how /
where this lock is coming from? An update to the HEAD revision of the
same directory from a different working copy executes/updates without

Output from the working copy in question:

s\dojo\dojo>svn update
svn: Working copy 'rpc' locked
svn: run 'svn cleanup' to remove locks (type 'svn help cleanup' for

s\dojo\dojo>svn status .
  L rpc

s\dojo\dojo>svn info
Path: .
Repository Root: http://dfpcmsbos02:7804/svn/TAAC
Repository UUID: 349b959b-e90c-0410-8cfa-f701a4186ad7
Revision: 12178
Node Kind: directory
Schedule: normal
Last Changed Author: a438523
Last Changed Rev: 9956
Last Changed Date: 2008-04-10 09:55:10 -0400 (Thu, 10 Apr 2008)

A "svn diff" shows no change, confirmed by the absence of a "M" in the
output of "svn status" above.

Environment Info:
Client Info:
Win Server 2003 SP2
SVN Client version 1.4.3
Server Info:
Solaris 8
SVN Server version 1.4.3

Is this due to the frequency or volume of updates to the same working
copy? Any ideas and/or suggestions appreciated!


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Received on 2008-05-21 17:54:14 CEST

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