CUPS error_log contains "unable to open listen socket for address ::1:631 - Address family not supported by protocol"

Solution In Progress - Updated -

Issue

When we send a file to a printer, it just sits in the queue. The error message from /var/logs/cups/error_log file is "unable to open listen socket for address ::1:631 - Address family not supported by protocol."

Environment

  • Red Hat Enterprise Linux (RHEL)
  • Common Unix Printing System (CUPS)

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