INFO: mock.py version 1.1.21 starting...
State Changed: init plugins
INFO: tmpfs initialized
INFO: selinux disabled
State Changed: start
INFO: Start(/mnt/dar/packages/clamav/clamav-0.97.4-4.art.src.rpm)  Config(epel-4-i386)
State Changed: lock buildroot
State Changed: clean
INFO: chroot (/var/lib/mock/epel-4-i386) unlocked and deleted
State Changed: unlock buildroot
State Changed: init
State Changed: lock buildroot
Mock Version: 1.1.21
INFO: Mock Version: 1.1.21
INFO: calling preinit hooks
INFO: mounting tmpfs at /var/lib/mock/epel-4-i386/root/.
INFO: enabled root cache
State Changed: unpacking root cache
INFO: enabled yum cache
State Changed: cleaning yum metadata
State Changed: running yum
State Changed: unlock buildroot
INFO: Installed packages:
State Changed: setup
INFO: unmounting tmpfs.
ERROR: Exception(/mnt/dar/packages/clamav/clamav-0.97.4-4.art.src.rpm) Config(epel-4-i386) 0 minutes 20 seconds
INFO: Results and/or logs in: /var/lib/mock/epel-4-i386/result
ERROR: Command failed: 
 # ['/usr/bin/yum-builddep', '--installroot', '/var/lib/mock/epel-4-i386/root/', '/var/lib/mock/epel-4-i386/root///builddir/build/SRPMS/clamav-0.97.4-4.el4.art.src.rpm']
YumRepo Error: All mirror URLs are not using ftp, http[s] or file.
 Eg. 4 is not a valid release or hasnt been released yet/
removing mirrorlist with no valid mirrors: /var/lib/mock/epel-4-i386/root/var/cache/yum/core/mirrorlist.txt
bzip2-devel-1.0.2-16.el4_8.i386
zlib-devel-1.2.1.2-1.2.i386
gmp-devel-4.1.4-3.i386
curl-devel-7.12.1-17.el4.i386
ncurses-5.4-15.el4.i386
ncurses-devel-5.4-15.el4.i386
sendmail-devel-8.13.1-6.el4.i386

================================================================================
 Package                Arch        Version                 Repository     Size
================================================================================
Installing:
 bzip2-devel            i386        1.0.2-16.el4_8          update         36 k
 curl-devel             i386        7.12.1-17.el4           update        246 k
 gmp-devel              i386        4.1.4-3                 core          403 k
 ncurses-devel          i386        5.4-15.el4              core          1.4 M
 sendmail-devel         i386        8.13.1-6.el4            update        114 k
 zlib-devel             i386        1.2.1.2-1.2             core           89 k
Installing for dependencies:
 curl                   i386        7.12.1-17.el4           update        231 k
 e2fsprogs-devel        i386        1.35-12.24.el4          core          490 k
 krb5-devel             i386        1.3.4-65.el4            update        827 k
 libidn                 i386        0.5.6-1                 core          169 k
 libidn-devel           i386        0.5.6-1                 core          219 k
 openssl-devel          i386        0.9.7a-43.18.el4        update        1.6 M
 pkgconfig              i386        1:0.15.0-3              core           47 k

Transaction Summary
================================================================================
Install      13 Package(s)
Upgrade       0 Package(s)

Total size: 5.8 M
Total download size: 1.4 M
Traceback (most recent call last):
  File "/usr/bin/yum-builddep", line 142, in ?
    util = YumBuildDep()
  File "/usr/bin/yum-builddep", line 41, in __init__
    self.main()
  File "/usr/bin/yum-builddep", line 73, in main
    self.doTransaction()
  File "/usr/share/yum-cli/cli.py", line 407, in doTransaction
    raise yum.Errors.YumBaseError, errstring
yum.Errors.YumBaseError: Error Downloading Packages:
  ncurses-devel-5.4-15.el4.i386: Cannot find a valid baseurl for repo: core