Something

[root@rcxnet radu]# yum install java
Setting up Install Process
Setting up Repos
base                      100% |=========================| 1.7 kB    00:00
//var/cache/yum/base/repomd.xml:1: parser error : Start tag expected, '<' not found
This site is a Mirror for:
^
Cannot open/read repomd.xml file for repository: base
Error importing repomd.xml from base: Error: could not parse file //var/cache/yum/base/repomd.xml