Oracle Linux: CUPS Hangs Periodically and CUPS Error Log Shows "Unable to locate printer 'XXX'" (Doc ID 2537546.1)

Last updated on MAY 26, 2020

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Linux x86-64

Symptoms

CUPS stalls on Oracle Linux server. During this time, lpstat(1) commands, and the CUPS UI become unresponsive and printing gets slower.

The CUPS error log shows:

Changes

CUPS upgraded from version 1.4 to 1.6

Cause

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