httpd fails to start with 'ap_lookup_provider mod_cluster_slotmem failed' error

Solution Verified - Updated -

Issue

  • We see the following error when trying to start httpd:
[:emerg] [pid 88093:tid 88093] ap_lookup_provider mod_cluster_slotmem failed

Environment

  • JBoss Core Services (JBCS)
    • Apache httpd 2.4.x
    • mod_cluster

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