Apparatus, system and method for application log data processing

A log data processing system comprising:

• a log data generation device configured to execute an application and generate log data corresponding to the executed application;
• and
• a log data processing server configured to generate and store a log data message based on the generated log data, the log data processing server comprising:
• a communication unit configured to receive log data information related to the generated log data from the log data generation device;
• a control unit comprising a log message generation unit configured to generate a log message based on the received log data information;
• and
• a storage unit configured to store the generated log message and generation history information of the generated log message,
• wherein the log data information comprises a log message parameter, message code information, and identifier information of the executed application, and
• wherein the log message generation unit generates a level character string and level information of the log data based on the message code information.