"(502)Unknown error 502: http_cping_cpong(): send failed" after enabling SSL to Apache httpd 2.4

Solution Verified - Updated -


After enabling SSL to a mod_cluster configuration, it is showing errors in the log, but application is working.

[:error] [pid 21369] (502)Unknown error 502: http_cping_cpong(): send failed


  • Red Hat JBoss Core Services (JBCS)
    • Apache httpd 2.4.37

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