Apache httpd fails to start because of "undefined symbol"

Solution Verified - Updated -

Issue

  • Apache httpd fails to start. The error is:

    Syntax error on line 38 of /etc/httpd/conf/httpd.conf: Syntax error on line 1 of /etc/httpd/conf.modules.d/alias.load: Cannot load modules/mod_alias.so into server: /etc/httpd/modules/mod_alias.so: undefined symbol: ap_log_error
    

Environment

  • Red Hat Enterpise Linux (RHEL)
  • Red Hat JBoss Enterprise Application Platform (EAP)
  • Red Hat JBoss Web Server (JWS)
  • Red Hat JBoss Core Services (JBCS)

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