yum install – TypeError: unsubscriptable object

OS：centos 5.3 32

安裝gcc-C++ 出現yum不能安裝問題

# yum install gcc-c++

Setting up Install Process

Parsing package install arguments

Resolving Dependencies

--> Running transaction check

---> Package gcc-c++.i386 0:4.1.2-52.el5_8.1 set to be updated

--> Processing Dependency: libstdc++-devel = 4.1.2-52.el5_8.1 for package: gcc-c++

--> Processing Dependency: libstdc++ = 4.1.2-52.el5_8.1 for package: gcc-c++

--> Running transaction check

---> Package libstdc++-devel.i386 0:4.1.2-52.el5_8.1 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 696, in resolveDeps

    CheckDeps, checkinstalls, checkremoves, missing = self._resolveRequires(errors)

  File "/usr/lib/python2.4/site-packages/yum/depsolve.py", line 779, in _resolveRequires

    thisneeds = self._checkInstall(txmbr)

  File "/usr/lib/python2.4/site-packages/yum/depsolve.py", line 851, in _checkInstall

    provs = self.tsInfo.getProvides(*req)

  File "/usr/lib/python2.4/site-packages/yum/transactioninfo.py", line 432, in getProvides

    result.update(self.getNewProvides(name, flag, version))

  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

解決辦法

#yum clean metadata

Loaded plugins: fastestmirror
21 metadata files removed
10 sqlite files removed
0 metadata files removed
# yum clean all
Loaded plugins: fastestmirror
Cleaning up Everything
Cleaning up list of fastest mirrors

參考：

http://blog.rowancrane.com/2009/05/13/yum-update-typeerror-unsubscriptable-object