CentOS release 5.3 (Final) Yum Update fails with Traceback

If you’re seeing something along these lines:

root@server [~]# yum update file
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.serveraxis.net
* updates: yum.singlehop.com
* addons: centos.cs.wisc.edu
* extras: centos.cs.wisc.edu
base | 1.1 kB 00:00
updates | 951 B 00:00
addons | 951 B 00:00
extras | 1.1 kB 00:00
Excluding Packages in global exclude list
Finished
Setting up Update Process
Resolving Dependencies
–> Running transaction check
—> Package file.x86_64 0:4.17-15.el5_3.1 set to be updated
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 145, in main
(result, resultmsgs) = base.buildTransaction()
File “/usr/lib/python2.4/site-packages/yum/__init__.py”, line 647, in buildTransaction
(rescode, restring) = self.resolveDeps()
File “/usr/lib/python2.4/site-packages/yum/depsolve.py”, line 704, in resolveDeps
for po, dep in self._checkFileRequires():
File “/usr/lib/python2.4/site-packages/yum/depsolve.py”, line 939, in _checkFileRequires
if not self.tsInfo.getOldProvides(filename) and not self.tsInfo.getNewProvides(filename):
File “/usr/lib/python2.4/site-packages/yum/transactioninfo.py”, line 414, in getNewProvides
for pkg, hits in self.pkgSack.getProvides(name, flag, version).iteritems():
File “/usr/lib/python2.4/site-packages/yum/packageSack.py”, line 300, in getProvides
return self._computeAggregateDictResult(”getProvides”, name, flags, version)
File “/usr/lib/python2.4/site-packages/yum/packageSack.py”, line 470, in _computeAggregateDictResult
sackResult = apply(method, args)
File “/usr/lib/python2.4/site-packages/yum/sqlitesack.py”, line 861, in getProvides
return self._search(”provides”, name, flags, version)
File “/usr/lib/python2.4/site-packages/yum/sqlitesack.py”, line 43, in newFunc
return func(*args, **kwargs)
File “/usr/lib/python2.4/site-packages/yum/sqlitesack.py”, line 837, in _search
for pkg in self.searchFiles(name, strict=True):
File “/usr/lib/python2.4/site-packages/yum/sqlitesack.py”, line 43, in newFunc
return func(*args, **kwargs)
File “/usr/lib/python2.4/site-packages/yum/sqlitesack.py”, line 586, in searchFiles
self._sql_pkgKey2po(rep, cur, pkgs)
File “/usr/lib/python2.4/site-packages/yum/sqlitesack.py”, line 470, in _sql_pkgKey2po
pkg = self._packageByKey(repo, ob['pkgKey'])
File “/usr/lib/python2.4/site-packages/yum/sqlitesack.py”, line 413, in _packageByKey
po = self.pc(repo, cur.fetchone())
File “/usr/lib/python2.4/site-packages/yum/sqlitesack.py”, line 68, in __init__
self._read_db_obj(db_obj)
File “/usr/lib/python2.4/site-packages/yum/sqlitesack.py”, line 94, in _read_db_obj
setattr(self, item, _share_data(db_obj[item]))
TypeError: unsubscriptable object

There is a simple solution to fix this problem!

All you have to do is run yum clean dbcache

You should then be able to update!

root@server [~]# yum clean dbcache
Loaded plugins: fastestmirror
8 sqlite files removed
root@server [~]# yum update file
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.serveraxis.net
* updates: mirror.steadfast.net
* addons: centos.cs.wisc.edu
* extras: centos.cs.wisc.edu
base | 1.1 kB 00:00
base 3272/3272
updates | 951 B 00:00
updates 323/323
addons | 951 B 00:00
extras | 1.1 kB 00:00
extras 266/266
Excluding Packages in global exclude list
Finished
Setting up Update Process
Resolving Dependencies
–> Running transaction check
—> Package file.x86_64 0:4.17-15.el5_3.1 set to be updated
–> Finished Dependency Resolution

Dependencies Resolved

================================================================================
Package Arch Version Repository Size
================================================================================
Updating:
file x86_64 4.17-15.el5_3.1 updates 318 k

Transaction Summary
================================================================================
Install 0 Package(s)
Update 1 Package(s)
Remove 0 Package(s)

Total download size: 318 k
Is this ok [y/N]: y
Downloading Packages:
file-4.17-15.el5_3.1.x86_64.rpm | 318 kB 00:01
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
Updating : file [1/2]
Cleanup : file [2/2]

Updated: file.x86_64 0:4.17-15.el5_3.1
Complete!

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