음수 에러 수정

src/main/java/com/eactive/eai/custom/statistics/collector/HourStatsAggregator.java

@@ -189,6 +189,7 @@ public class HourStatsAggregator {
 		long systemErr = systemErrCnt.get();
 		long bizErr = bizErrCnt.get();
 		long success = total - (timeout + systemErr + bizErr);
+		success = Math.max(0, success);  // 음수 방지
 
 		stats.setTotalCnt(total);
 		stats.setSuccessCnt(success);

src/main/java/com/eactive/eai/custom/statistics/collector/MinuteStatsAggregator.java

@@ -189,6 +189,7 @@ public class MinuteStatsAggregator {
 		long systemErr = systemErrCnt.get();
 		long bizErr = bizErrCnt.get();
 		long success = total - (timeout + systemErr + bizErr);
+		success = Math.max(0, success);  // 음수 방지
 
 		stats.setTotalCnt(total);
 		stats.setSuccessCnt(success);