packaged failed to install due to conflict with mysql-server-core

[Samir]

log from apt-get generated from a sudo apt-get update.

Preparing to replace mysql-client-5.1 5.1.49-1ubuntu9 (using .../mysql-client-5.1_5.1.54-1ubuntu2_amd64.deb) ...
Unpacking replacement mysql-client-5.1 ...
dpkg: error processing /var/cache/apt/archives/mysql-client-5.1_5.1.54-1ubuntu2_amd64.deb (--unpack):
 trying to overwrite '/usr/share/man/man1/my_print_defaults.1.gz', which is also in package mysql-server-core-5.1 5.1.49-1ubuntu9
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Processing triggers for doc-base ...
Processing 1 added doc-base file(s)...
Registering documents with scrollkeeper...
Processing triggers for man-db ...
Errors were encountered while processing:
 /var/cache/apt/archives/mysql-client-5.1_5.1.54-1ubuntu2_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: mysql-client-5.1 5.1.49-1ubuntu9
ProcVersionSignature: Ubuntu 2.6.37-12.26-generic 2.6.37
Uname: Linux 2.6.37-12-generic x86_64
NonfreeKernelModules: wl nvidia
Architecture: amd64
Date: Mon Jan 31 08:16:02 2011
InstallationMedia: Kubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427)
ProcEnviron:
 LANGUAGE=
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/usr/bin/zsh
SourcePackage: mysql-5.1