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04/24/2009 at 02:01AM PDT, ID: 24351730
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9.3

Yum fails after upgrading CentOS 5.2 -> CentOS 5.3

Asked by tomfra in Linux Administration, CentOS, Red Hat Linux

Tags: yum, centos, centos 5, centos 5.2, centos 5.3, redhat, linux, server

After upgrading CentOS 5.2 to CentOS 5.3 via "yum update" on a server, yum no longer works. "yum install package" or "yum update" now results in the following error:

------------------
Traceback (most recent call last):
  File "/usr/bin/yum", line 29, in ?
    yummain.user_main(sys.argv[1:], exit_code=True)
  File "/usr/share/yum-cli/yummain.py", line 229, in user_main
    errcode = main(args)
  File "/usr/share/yum-cli/yummain.py", line 104, in main
    result, resultmsgs = base.doCommands()
  File "/usr/share/yum-cli/cli.py", line 343, in doCommands
    return self.yum_cli_commands[self.basecmd].doCommand(self, self.basecmd, self.extcmds)
  File "/usr/share/yum-cli/yumcommands.py", line 580, in doCommand
    return base.updatePkgs(extcmds)
  File "/usr/share/yum-cli/cli.py", line 565, in updatePkgs
    self.update()
  File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 2481, in update
    updates = self.up.getUpdatesTuples()
  File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 604, in <lambda>
    up = property(fget=lambda self: self._getUpdates(),
  File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 495, in _getUpdates
    self._up.rawobsoletes = self.pkgSack.returnObsoletes(newest=True)
  File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 591, in <lambda>
    pkgSack = property(fget=lambda self: self._getSacks(),
  File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 416, in _getSacks
    if self._pkgSack and thisrepo is None:
  File "/usr/lib/python2.4/site-packages/yum/packageSack.py", line 263, in __len__
    ret += len(sack)
ValueError: __len__() should return >= 0
------------------

I've tried "yum clean all" but that did not help. The server is a hardware node for hosting OpenVZ VPS accounts. No problems noticed except for this yum problem.
[+][-]04/24/09 11:46 PM, ID: 24231029

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About this solution

Zones: Linux Administration, CentOS, Red Hat Linux
Tags: yum, centos, centos 5, centos 5.2, centos 5.3, redhat, linux, server
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Solution Provided By: ravenpl
Participating Experts: 3
Solution Grade: A
 
 
[+][-]04/25/09 12:00 AM, ID: 24231065

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[+][-]04/25/09 12:26 AM, ID: 24231132

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[+][-]04/25/09 12:31 AM, ID: 24231158

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[+][-]04/25/09 12:49 AM, ID: 24231232

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