Recently I tried to update my CentOS5 PC and had the following error:-
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirror.sov.uk.goscomb.net
* updates: mirror.sov.uk.goscomb.net
* addons: mirror.sov.uk.goscomb.net
* extras: mirror.sov.uk.goscomb.net
Setting up Update Process
Resolving Dependencies
--> Running transaction check
---> Package libxml2.i386 0:2.6.26-2.1.2.8 set to be updated
---> Package xulrunner.i386 0:1.9.0.12-1.el5 set to be updated
---> Package libxml2-python.i386 0:2.6.26-2.1.2.8 set to be updated
---> Package libtiff.i386 0:3.8.2-7.el5_3.4 set to be updated
---> Package apr.i386 0:1.2.7-11.el5_3.1 set to be updated
---> Package bind-utils.i386 30:9.3.4-10.P1.el5_3.3 set to be updated
---> Package kernel.i686 0:2.6.18-128.4.1.el5 set to be installed
---> Package nss.i386 0:3.12.3.99.3-1.el5.centos.2 set to be updated
---> Package apr-util.i386 0:1.2.7-7.el5_3.2 set to be updated
---> Package tomcat5-servlet-2.4-api.i386 0:5.5.23-0jpp.7.el5_3.2 set to be updated
---> Package bind-libs.i386 30:9.3.4-10.P1.el5_3.3 set to be updated
---> Package tomcat5-jsp-2.0-api.i386 0:5.5.23-0jpp.7.el5_3.2 set to be updated
---> Package python.i386 0:2.4.3-24.el5_3.6 set to be updated
---> Package nss-tools.i386 0:3.12.3.99.3-1.el5.centos.2 set to be updated
---> Package kernel-headers.i386 0:2.6.18-128.4.1.el5 set to be updated
---> Package nspr.i386 0:4.7.4-1.el5_3.1 set to be updated
---> Package firefox.i386 0:3.0.12-1.el5.centos set to be updated
Traceback (most recent call last):
File "/usr/bin/yum", line 29, in ?
yummain.user_main(sys.argv[1:], exit_code=Right)
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=Right):
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
After some searching and checking several suggestions, I found the cause and solution to be very simple.
The yum cache had become corrupted.
The solution:
cd /var/cache/yum
rm -rf *
yum makecache
See below
Sponsored Links
That cured it.
yum update then worked perfectly.
Many thanks to
http://just-another.net.
