Upgrade failed: Missing Dependency psa-proftpd

Symptoms

• Unable to upgrade Plesk in Tools & Settings > Update & Upgrades:

  PLESK_ERROR: psa-proftpd-xinetd-1.3.5-6.el5.art.x86_64 from installed has depsolving problems
  --> Missing Dependency: psa-proftpd = 1.3.5-6.el5.art is needed by package psa-proftpd-xinetd-1.3.5-6.el5.art.x86_64 (installed)
  Exception: Failed to solve dependencies:
  Missing Dependency: psa-proftpd = 1.3.5-6.el5.art is needed by package psa-proftpd-xinetd-1.3.5-6.el5.art.x86_64 (installed)

• Vendor of packages psa-proftpd-xinetd-1.3.4c-4.el5.art and psa-proftpd-xinetd-1.3.4c-4.el5.art from the error above is not Plesk, for example:

  # rpm -qi psa-proftpd-xinetd-1.3.6-11.el7.art.x86_64 | grep -i vendor
  Vendor : Atomicorp

• Unable to connect to the server over FTP:

  CONFIG_TEXT: 421 Service not available, remote server has closed connection

• Atomic repository is active on the server:

  # yum repolist | grep -i atomic
  atomic/7/x86_64 CentOS / Red Hat Enterprise Linux 7 - atomic 747

Cause

Incorrect package installed from a third party repository.

Resolution

1. Connect to the server via SSH.

2. Remove psa-proftpd packages from Atomic repository:

   # rpm -e psa-proftpd-xinetd-1.3.5-6.el5.art --nodeps
   # rpm -e psa-proftpd-1.3.5-6.el5.art --nodeps

3. Add packages to exclusion list:

   # echo 'exclude=psa-proftpd*' >> /etc/yum.repos.d/atomic.repo

4. Install ProFTP from Web Hosting category in Plesk installer:

   # plesk installer