Apache httpd AH02429: Response header name 'Document Expires' contains invalid characters, aborting request

Solution Verified - Updated -

Issue

After updating to httpd-2.4.6-45.el7_3.4.x86_64, requests are failing with HTTP 500 errors with error message like the followings:

[http:error] [pid <PID>] [client <IP>:<PORT>] AH02429: Response header name 'Document Expires' contains invalid characters, aborting request

[http:error] [pid <PID>] [client <IP>:<PORT>] AH02430: Response header 'Cache-Control' value of 'must-revalidate, post-check=0,pre-check=\n\t\t0' contains invalid characters, aborting request

Environment

  • Red Hat Enterprise Linux (RHEL)
    • 7
    • httpd-2.4.6-45.el7_3.4.x86_64 or later
  • JBoss Core Services Apache HTTPD Server (JBCS Apache)
    • 2.4.23 SP1 or later

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