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Update System Software Error - No module named yum

Discussion in 'General Discussion' started by zontrakulla, Jan 25, 2010.

  1. zontrakulla

    zontrakulla Active Member

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    Hello, when i try to run this on WHM, I'm getting this error

    Code:
    There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:

   No module named yum

Please install a package which provides this module, or
verify that the module is installed correctly.

It's possible that the above module doesn't match the
current version of Python, which is:
2.6.1 (r261:67515, Jan 21 2010, 03:51:40) 
[GCC 4.1.2 20071124 (Red Hat 4.1.2-42)]

If you cannot solve this problem yourself, please go to 
the yum faq at:
  [url=http://wiki.linux.duke.edu/YumFaq]Faq - yum - Trac[/url]
     
    #1 zontrakulla, Jan 25, 2010
    Last edited by a moderator: Jan 25, 2010
  2. cPanelDon

    cPanelDon cPanel Quality Assurance Analyst
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    YUM is the OS software package manager for an RPM-based OS like CentOS or RHEL; this tool is included with the Operating System installation and required to install and maintain updates to OS-provided components.

    What is the OS version and environment type as seen by the following command?
    Code:
    # grep -H '' /etc/*release /var/cpanel/envtype
    Was Python manually compiled from source?

    What is the output of the following commands?
    Code:
    # /usr/bin/python -V
# rpm -qf /usr/bin/python
# /usr/local/bin/python -V
# rpm -qf /usr/local/bin/python
# rpm -qa --qf "%{name}-%{version}-%{release}.%{arch}.rpm\n" | grep -i "^python\|yum" | sort
# yum check-update
     
    #2 cPanelDon, Jan 25, 2010
  3. zontrakulla

    zontrakulla Active Member

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    Code:
    grep -H '' /etc/*release /var/cpanel/envtype

/etc/redhat-release:CentOS release 5.2 (Final)
/var/cpanel/envtype:standard
    Yes

    Code:
    /usr/bin/python -V

Python 2.6.4
    Code:
    rpm -qf /usr/bin/python

python-2.4.3-21.el5

    Code:
    /usr/local/bin/python -V

Python 2.6.4
    Code:
    rpm -qf /usr/local/bin/python

file /usr/local/bin/python is not owned by any package
    Code:
    rpm -qa --qf "%{name}-%{version}-%{release}.%{arch}.rpm\n" | grep -i "^python\|yum" | sort

python-2.4.3-21.el5.i386.rpm
python-devel-2.4.3-21.el5.i386.rpm
python-docs-2.4.3-1.1.noarch.rpm
python-elementtree-1.2.6-5.i386.rpm
python-iniparse-0.2.3-4.el5.noarch.rpm
python-optik-1.4-2.noarch.rpm
python-sqlite-1.1.7-1.2.1.i386.rpm
python-tools-2.4.3-21.el5.i386.rpm
python-urlgrabber-3.1.0-2.noarch.rpm
python-urlgrabber-3.1.0-5.el5.noarch.rpm
yum-3.2.22-20.el5.centos.noarch.rpm
yum-arch-2.2.2-2.el5.kb.noarch.rpm
yum-fastestmirror-1.1.10-9.el5.centos.noarch.rpm
yum-fastestmirror-1.1.16-13.el5.centos.noarch.rpm
yum-metadata-parser-1.1.2-2.el5.i386.rpm
yum-updatesd-0.9-2.el5.noarch.rpm
    Code:
    yum check-update

There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:

   No module named yum

Please install a package which provides this module, or
verify that the module is installed correctly.

It's possible that the above module doesn't match the
current version of Python, which is:
2.6.4 (r264:75706, Jan 26 2010, 04:26:58)
[GCC 4.1.2 20071124 (Red Hat 4.1.2-42)]

If you cannot solve this problem yourself, please go to
the yum faq at:
  http://wiki.linux.duke.edu/YumFaq
     
    #3 zontrakulla, Jan 25, 2010
  4. cPanelDon

    cPanelDon cPanel Quality Assurance Analyst
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    At minimum I would consider re-installing the python RPM.

    What is the system hardware architecture? From the provided output it looks like it is i386, but for the sake of being cautious it should be double-checked; this must be determined in order to obtain the correct package for re-installation. The following command will help to verify the architecture:
    Code:
    # uname -a
    Packages may be manually downloaded from a CentOS mirror (using "wget") and then installed using the CLI utility "rpm" via root SSH access:
    Index of /centos/5/os
    Index of /centos/5/updates

    Example:
    Code:
    # wget -N http://server/path/to/software.rpm
# rpm --force -hUv software.rpm
    When locating a package on the mirror, first check the "updates" directory to see if there is a more recent version; if there is not one, then check the "os" directory.

    After YUM is repaired and correctly working I would run the following commands:
    Code:
    # yum clean all
# yum makecache
# yum upgrade
     
    #4 cPanelDon, Jan 25, 2010
    Last edited: Jan 25, 2010
  5. zontrakulla

    zontrakulla Active Member

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    Code:
    Linux host.******* 2.6.18-92.1.13.el5 #1 SMP Wed Sep 24 19:33:52 EDT 2008 i686 i686 i386 GNU/Linux
    I'll try to reinstall the RPM and will let you know after that.
     
    #5 zontrakulla, Jan 25, 2010
  6. zontrakulla

    zontrakulla Active Member

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    It seems yum is back, however there're other errors

    Code:
    Repository base is listed more than once in the configuration
Repository updates is listed more than once in the configuration
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 315, in user_main
    errcode = main(args)
  File "/usr/share/yum-cli/yummain.py", line 159, in main
    base.getOptionsConfig(args)
  File "/usr/share/yum-cli/cli.py", line 204, in getOptionsConfig
    (opts, self.cmds) = self.optparser.setupYumConfig(args=args)
  File "/usr/share/yum-cli/cli.py", line 1174, in setupYumConfig
    elif not self.base.setCacheDir():
AttributeError: 'YumBaseCli' object has no attribute 'setCacheDir'

    This is the conf file
    Code:
    [main]
exclude=apache* bind-chroot courier* dovecot* exim* httpd* mod_ssl* mysql* nsd* perl* php* proftpd* pure-ftpd* ruby* spamass$
cachedir=/var/cache/yum
debuglevel=2
logfile=/var/log/yum.log
pkgpolicy=newest
distroverpkg=redhat-release
tolerant=1
exactarch=1

[base]
name=Red Hat Linux $releasever - $basearch - Base
baseurl=http://mirror.dulug.duke.edu/pub/yum-repository/redhat/$releasever/$basearch/


[updates]
name=Red Hat Linux $releasever - Updates
baseurl=http://mirror.dulug.duke.edu/pub/yum-repository/redhat/updates/$releasever/
     
    #6 zontrakulla, Jan 25, 2010
  7. cPanelDon

    cPanelDon cPanel Quality Assurance Analyst
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    Was this system upgraded from a legacy Red Hat installation (e.g., Red Hat 9)?

    I would try commenting the two repositories that are defined in the main YUM configuration file (yum.conf) as there should be repositories already setup in ".repo" files within the following directory:
    Code:
    /etc/yum.repos.d/
    For reference, the CentOS YUM repository files are included in the RPM named "centos-release" available from the OS mirror. As an example, on a test system with CentOS 5.4 there is the following file that defines the repositories (followed by a command showing which RPM it's from):
    Code:
    /etc/yum.repos.d/CentOS-Base.repo

# rpm -qf /etc/yum.repos.d/CentOS-Base.repo
centos-release-5-4.el5.centos.1
     
    #7 cPanelDon, Jan 26, 2010
  8. zontrakulla

    zontrakulla Active Member

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    Thanks for your fast replies, however i'm still getting the same error.
    Code:
    AttributeError: 'YumBaseCli' object has no attribute 'setCacheDir'
    I don't know if it's upgraded from redhat

    edit: I checked repos configs, this time i'm getting this:

    Code:
    
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 315, in user_main
    errcode = main(args)
  File "/usr/share/yum-cli/yummain.py", line 159, in main
    base.getOptionsConfig(args)
  File "/usr/share/yum-cli/cli.py", line 201, in getOptionsConfig
    self.plugins.run('args', args=args)
  File "/usr/lib/python2.4/site-packages/yum/plugins.py", line 170, in run
    raise ValueError('unknown slot name "%s"' % slotname)
ValueError: unknown slot name "args"
     
    #8 zontrakulla, Jan 26, 2010
    Last edited: Jan 26, 2010
  9. cPanelDon

    cPanelDon cPanel Quality Assurance Analyst
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    I would consider escalating the issue to the on-site data center staff for assistance in correcting the OS installation of yum and its dependencies (including python). In an earlier post I saw there was a duplicate RPM installed for a few packages; I would check to ensure that only one version is installed of each (yum and python) software package.

    To help cross-reference information I believe the following thread is related as seen on the CentOS forums:
    www.centos.org - Forums - CentOS 5 - General Support - Yum Error
     
    #9 cPanelDon, Jan 26, 2010
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