update of externals fails with svn client 1.6.x

[Ka...@boehme-weihs.de]

Hello!
I've got a problem after updating to Subversion 1.6 which probably
depends
on a bug in Subversion.
My system looks like this:
- svn server 1.5.4 on SuSE Linux ES 10 and a test system with svn server
1.6.1 on SuSE Linus ES 9 64Bit
- Clients on Windows XP and 2003 Server with TortoiseSVN and svn Client
(CollabNet Binaries)
- Project with 83 externals.
- Project worked for about 6 month (checkout/update/commit) without any
problems
- all externals uses slashes
- svn client 1.4.8 and 1.5.9 works fine against svn 1.5.4 and 1.6.1
server

Now the problem. After upgrading to svn client 1.6.1 updates against svn
1.5.4 and 1.6.1 server 
fails after 28 externals with the messages: 
"svn: warning: Error handling externals definition for 'libxy':"
"svn: warning: Network connection closed unexpectedly"
 
Any suggestions for this problem?
 
Regards
Gabriel

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