Apache httpd failed to start with "Failed with result 'protocol'" error message

Solution Verified - Updated -

Issue

  • After changing the port configuration to 7777, Apache httpd can not start with following message:

    httpd.service: Failed with result 'protocol'.
    Failed to start The Apache HTTP Server.
    

Environment

  • Red Hat Enterprise Linux (RHEL)
    • 8.x
    • 9.x
  • Red Hat JBoss Core Services (JBCS)
    • 2.4.x

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