Unable to create syslogappender using custom handler in JBoss EAP 6

Issue

• Facing below exception while using the syslogAppender with custom handler of JBoss CLI command:

Request:

/subsystem=logging/custom-handler=log4jappender \
    :add(class="org.apache.log4j.net.SyslogAppender", \
         module="org.apache.log4j", \
         formatter="%d{HH:mm:ss,SSS} %-5p [%c] (%t) %s%E%n", \
         level="INFO", \
         properties=[SyslogHost=localhost,Facility=local7,FacilityPrinting=true])

Result:

{
  "outcome" => "failed",
  "failure-description" => 
      JBAS014749: Operation handler failed: 
                  Failed to load module "org.apache.log4j" for pojo "log4jappender",
  "rolled-back" => true
}