Internal error is shown while browsing/working in Plesk

Refers to:

  • Plesk 12.5 for Linux
  • Plesk 11.0 for Linux
  • Plesk 12.0 for Linux

Created:

2016-11-16 13:08:05 UTC

Modified:

2016-12-21 20:01:35 UTC

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Internal error is shown while browsing/working in Plesk

Symptoms

  1. Getting the following error while accessing Tools & settings tab in Plesk:

    Internal error: Unable to exec utility listmng: Empty error message from utility.
  2. Subscription creation fails with Internal error as well.

  3. Wrapper file has zero size:

    ls -ld /usr/local/psa/admin/sbin/wrapper
    ---s--x--- 1 root psaadm 0 Dec 6 11:57 /usr/local/psa/admin/sbin/wrapper

Cause

Plesk core package got corrupted.

Resolution

  1. Reinstall Plesk core package (needed package can be obtained from the Plesk repository ). Please see the log below:

    rpm -Uvh plesk-core-11.0.9-cos6.build110120608.16.x86_64.rpm --force
    Preparing... ########################################### [100%]
    ===> Preparing upgrade
    -- Warning: Skipping the data of table mysql.event. Specify the --events option explicitly.
    Stopping psa... done
    psa is stopped
    Stopping psa... done
    ===> Cumulative database upgrade has been started
    ===> Upgrade completed.
    1:plesk-core ########################################### [100%]
    mknod: `/var/www/vhosts/chroot/dev/null': File exists
    ===> Cumulative upgrade has been started
    ===> Upgrade completed.
  2. Reinstall all micro-updates on the server with the appropriate KB article

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