[root@dhcp-121 ~]# yum update
Loading "installonlyn" plugin
Setting up Update Process
Setting up repositories
Reading repository metadata in from local files
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for xorg-x11-apps to pack into transaction set.
xorg-x11-apps-7.1-4.0.1.e 100% |=========================|  13 kB    00:00
http://mirrors.jtlnet.com/centos/5.0/updates/i386/RPMS/xorg-x11-apps-7.1-4.0.1.el5.i386.rpm: [Errno -1] Header is not complete.
Trying other mirror.
xorg-x11-apps-7.1-4.0.1.e 100% |=========================|  13 kB    00:00
http://mirrors.gigenet.com/centos/5.0/updates/i386/RPMS/xorg-x11-apps-7.1-4.0.1.el5.i386.rpm: [Errno -1] Header is not complete.
Trying other mirror.
xorg-x11-apps-7.1-4.0.1.e 100% |=========================|  13 kB    00:00
http://centosw.centos.org/centos/5.0/updates/i386/RPMS/xorg-x11-apps-7.1-4.0.1.el5.i386.rpm: [Errno -1] Header is not complete.
Trying other mirror.
http://altruistic.lbl.gov/mirrors/centos/5.0/updates/i386/RPMS/xorg-x11-apps-7.1-4.0.1.el5.i386.rpm: [Errno 12] Timeout: <urlopen error timed out>
Trying other mirror.
xorg-x11-apps-7.1-4.0.1.e 100% |=========================|  13 kB    00:00
http://centosq.centos.org/centos/5.0/updates/i386/RPMS/xorg-x11-apps-7.1-4.0.1.el5.i386.rpm: [Errno -1] Header is not complete.
Trying other mirror.
xorg-x11-apps-7.1-4.0.1.e 100% |=========================|  13 kB    00:00
http://dist1.800hosting.com/centos/5.0/updates/i386/RPMS/xorg-x11-apps-7.1-4.0.1.el5.i386.rpm: [Errno -1] Header is not complete.
Trying other mirror.
xorg-x11-apps-7.1-4.0.1.e 100% |=========================|  13 kB    00:00
http://mirrors.tiatera.com/centos/5.0/updates/i386/RPMS/xorg-x11-apps-7.1-4.0.1.el5.i386.rpm: [Errno -1] Header is not complete.
Trying other mirror.
xorg-x11-apps-7.1-4.0.1.e 100% |=========================|  13 kB    00:01
http://centosc2.centos.org/centos/5.0/updates/i386/RPMS/xorg-x11-apps-7.1-4.0.1.el5.i386.rpm: [Errno -1] Header is not complete.
Trying other mirror.
xorg-x11-apps-7.1-4.0.1.e 100% |=========================|  13 kB    00:00
http://mirror.cs.vt.edu/pub/CentOS/5.0/updates/i386/RPMS/xorg-x11-apps-7.1-4.0.1.el5.i386.rpm: [Errno -1] Header is not complete.
Trying other mirror.
xorg-x11-apps-7.1-4.0.1.e 100% |=========================|  13 kB    00:00
http://centosg.centos.org/centos/5.0/updates/i386/RPMS/xorg-x11-apps-7.1-4.0.1.el5.i386.rpm: [Errno -1] Header is not complete.
Trying other mirror.
Error: failure: RPMS/xorg-x11-apps-7.1-4.0.1.el5.i386.rpm from updates: [Errno 256] No more mirrors to try.