[CentOS] Yum Mirror Errors

While attempting to grab some packages from the repos I've been getting
a lot of mirror errors. Anyone have any idea why?

I've recently updated from CentOS 5 Beta2 to the final version and it
went flawlessly. The first thing I did though was to update the
centos-release packages per a previous post. I was under the impression
this would take care of repo problems. Was I incorrect?

Errors:
Setting up repositories
http://centosg.centos.org/centos/5/contrib/i386/repodata/repomd.xml:
[Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://centoso.centos.org/centos/5/contrib/i386/repodata/repomd.xml:
[Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://centosf.centos.org/centos/5/contrib/i386/repodata/repomd.xml:
[Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://centose.centos.org/centos/5/contrib/i386/repodata/repomd.xml:
[Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://centosj.centos.org/centos/5/contrib/i386/repodata/repomd.xml:
[Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://centosh.centos.org/centos/5/contrib/i386/repodata/repomd.xml:
[Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://centosi.centos.org/centos/5/contrib/i386/repodata/repomd.xml:
[Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://centosk.centos.org/centos/5/contrib/i386/repodata/repomd.xml:
[Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://centosn.centos.org/centos/5/contrib/i386/repodata/repomd.xml:
[Errno 14] HTTP Error 404: Not Found
Trying other mirror.
Error: Cannot open/read repomd.xml file for repository: contrib

-- 
Mark

"If you have found a very wise man, then you've found
a man that at one time was an idiot and lived long enough
to learn from his own stupidity."
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