Possible points of failure in a simple environment
Failure of physical instance HTTPD runs on (server fault, someone kicks the power supply, etc) Failure of physical instance JBoss EAP runs on (server fault, someone kicks the power supply, etc) Failure of HTTPD process (runs out of resources, filehandles, can’t write to log files, etc) Failure of JBoss EAP instance (out of memory exception, etc)