Why does yum fail with python traceback KeyError '\x00' ?
Issue
- Running any
yum
command fails with the traceback as follows.
abrt_version: 2.0.8
cmdline: /usr/bin/python /usr/bin/yum -y update
event_log:
executable: /usr/bin/yum
kernel: 2.6.32-642.4.2.el6.x86_64
last_occurrence: 1472589843
pkg_arch: noarch
pkg_epoch: 0
pkg_fingerprint: 199E 2F91 FD43 1D51
pkg_name: yum
pkg_release: 75.el6_8
pkg_vendor: Red Hat, Inc.
pkg_version: 3.2.29
time: Fri 26 Aug 2016 11:37:45 AM PDT
uid: 0
username: root
sosreport.tar.xz: Binary file, 1424660 bytes
backtrace:
:pickle.py:858:load:KeyError: '\x00'
:
:Traceback (most recent call last):
: File "/usr/bin/yum", line 29, in <module>
: yummain.user_main(sys.argv[1:], exit_code=True)
: File "/usr/share/yum-cli/yummain.py", line 298, in user_main
: errcode = main(args)
: File "/usr/share/yum-cli/yummain.py", line 115, in main
: base.getOptionsConfig(args)
: File "/usr/share/yum-cli/cli.py", line 229, in getOptionsConfig
: self.conf
: File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 911, in <lambda>
: conf = property(fget=lambda self: self._getConfig(),
: File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 363, in _getConfig
: self.plugins.run('init')
: File "/usr/lib/python2.6/site-packages/yum/plugins.py", line 184, in run
: func(conduitcls(self, self.base, conf, **kwargs))
: File "/usr/share/yum-plugins/rhnplugin.py", line 118, in init_hook
: login_info = up2dateAuth.getLoginInfo(timeout=timeout)
: File "/usr/share/rhn/up2date_client/up2dateAuth.py", line 219, in getLoginInfo
: login(timeout=timeout)
: File "/usr/share/rhn/up2date_client/up2dateAuth.py", line 167, in login
: if readCachedLogin():
: File "/usr/share/rhn/up2date_client/up2dateAuth.py", line 123, in readCachedLogin
: data = pickle.load(pcklAuth)
: File "/usr/lib64/python2.6/pickle.py", line 1370, in load
: return Unpickler(file).load()
: File "/usr/lib64/python2.6/pickle.py", line 858, in load
: dispatch[key](self)
:KeyError: '\x00'
:
:Local variables in innermost frame:
:read: <built-in method read of file object at 0x1072930>
:self: <pickle.Unpickler instance at 0x10b7998>
:dispatch: {'': <function load_eof at 0x7f65cbeb8b18>, '\x80': <function load_proto at 0x7f65cbeb8b90>, '\x83': <function load_ext2 at 0x7f65cbeb9c80>, '\x82': <function load_ext1 at 0x7f65cbeb9c08>, '\x85': <function load_tuple1 at 0x7f65cbeb9668>, '\x84': <function load_ext4 at 0x7f65cbeb9cf8>, '\x87': <function load_tuple3 at 0x7f65cbeb9758>, '\x86': <function load_tuple2 at 0x7f65cbeb96e0>, '\x89': <function load_false at 0x7f65cbeb8d70>, '\x88': <function load_true at 0x7f65cbeb8de8>, '\x8b': <function load_long4 at 0x7f65cbeb91b8>, '\x8a': <function load_long1 at 0x7f65cbeb9140>, '\x81': <function load_newobj at 0x7f65cbeb9b18>, ')': <function load_empty_tuple at 0x7f65cbeb95f0>, '(': <function load_mark at 0x7f65cbeba5f0>, '.': <function load_stop at 0x7f65cbeba668>, '1': <function load_pop_mark at 0x7f65cbeb9f50>, '0': <function load_pop at 0x7f65cbeb9ed8>, '2': <function load_dup at 0x7f65cbeba050>, 'G': <function load_binfloat at 0x7f65cbeb92a8>, 'F': <function load_float at 0x7f65cbeb9230>, 'I': <function load_int at 0x7f65cbeb8e60>, 'K': <function load_binint1 at 0x7f65cbeb8f50>, 'J': <function load_binint at 0x7f65cbeb8ed8>, 'M': <function load_binint2 at 0x7f65cbeb9050>, 'L': <function load_long at 0x7f65cbeb90c8>, 'N': <function load_none at 0x7f65cbeb8cf8>, 'Q': <function load_binpersid at 0x7f65cbeb8c80>, 'P': <function load_persid at 0x7f65cbeb8c08>, 'S': <function load_string at 0x7f65cbeb9320>, 'R': <function load_reduce at 0x7f65cbeb9e60>, 'U': <function load_short_binstring at 0x7f65cbeb9500>, 'T': <function load_binstring at 0x7f65cbeb9398>, 'V': <function load_unicode at 0x7f65cbeb9410>, 'X': <function load_binunicode at 0x7f65cbeb9488>, ']': <function load_empty_list at 0x7f65cbeb97d0>, 'a': <function load_append at 0x7f65cbeba398>, 'c': <function load_global at 0x7f65cbeb9b90>, 'b': <function load_build at 0x7f65cbeba578>, 'e': <function load_appends at 0x7f65cbeba410>, 'd': <function load_dict at 0x7f65cbeb9938>, 'g': <function load_get at 0x7f65cbeba0c8>, 'i': <function load_inst at 0x7f65cbeb9a28>, 'h': <function load_binget at 0x7f65cbeba140>, 'j': <function load_long_binget at 0x7f65cbeba1b8>, 'l': <function load_list at 0x7f65cbeb98c0>, 'o': <function load_obj at 0x7f65cbeb9aa0>, 'q': <function load_binput at 0x7f65cbeba2a8>, 'p': <function load_put at 0x7f65cbeba230>, 's': <function load_setitem at 0x7f65cbeba488>, 'r': <function load_long_binput at 0x7f65cbeba320>, 'u': <function load_setitems at 0x7f65cbeba500>, 't': <function load_tuple at 0x7f65cbeb9578>, '}': <function load_empty_dictionary at 0x7f65cbeb9848>}
:key: '\x00'
Environment
- Red Hat Enterprise Linux 6.8
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