[Spacewalk-list] Public key missing causes install failure

[Gerhardus.Geldenhuis at gta-travel.com]

Hi

I am getting the following error when doing
yum install spacewalk

Public key for relaxngDatatype-1.0-2jpp.ep1.2.el5.2.noarch.rpm is not
installed

I am trying to install spacewalk on Centos 5.2 x86_64.

I have followed the instructions closely and have created all the config
files and symlinks required for Centos installation.

However I am unsure where I need to search for the public key for this
package. 

I have epel-release-5-3 installed, would that make a difference?

The install steps say to install 
rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-former

which does not exist on the machine instead I imported
RPM-GPG-KEY-CentOS-5

/etc/pki/rpm-gpg
[root at machine rpm-gpg]# ll
total 20
-rw-r--r-- 1 root root 1512 Jun 19 14:48 RPM-GPG-KEY-beta
-rw-r--r-- 1 root root 1504 Jun 19 14:48 RPM-GPG-KEY-CentOS-5
-rw-r--r-- 1 root root 1698 Apr  3  2007 RPM-GPG-KEY-EPEL
lrwxrwxrwx 1 root root   20 Sep 23 11:33 RPM-GPG-KEY-redhat-release ->
RPM-GPG-KEY-CentOS-5

Any ideas on this would be appreciated.

Regards

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