@Override
    public String toString() {
        return "AgentEventBo{" +
                "version=" + version +
                ", agentId='" + agentId + '\'' +
                ", startTimestamp=" + startTimestamp +
                ", eventTimestamp=" + eventTimestamp +
                ", eventType=" + eventType +
                ", eventBody=" + Arrays.toString(eventBody) +
                '}';
    }
@author HyunGil Jeong
@author jaehong.kim - Update version & Remove hashcode, equals
commons-server/src/main/java/com/navercorp/pinpoint/common/server/bo/event/AgentEventBo.java