Log Service times in spl_​service.log

In log4j2 properties, add the following, including adding "serviceDispatcher” to the comma-separated named loggers, to log service execution times:

logger.serviceDispatcher.name = com.splwg.base.api.service.ServiceDispatcher
logger.serviceDispatcher.appenderRef.userLog.ref = userLog 
logger.serviceDispatcher.level = debug 
logger.serviceDispatcher.additivity = false