See https://logback.qos.ch/manual/appenders.html#SizeAndTimeBasedRollingPolicy

Author: 허원철/NSC서버팀/NE

SpringBootLogStash/src/main/resources/logback-spring.xml

@@ -28,7 +28,7 @@
 		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
 			<fileNamePattern>./log/log-%d{yyyy-MM-dd}-(%i).json</fileNamePattern>
 			<maxHistory>30</maxHistory>
-			<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
+			<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFileNamingAndTriggeringPolicy">
 				<maxFileSize>50MB</maxFileSize>
 			</timeBasedFileNamingAndTriggeringPolicy>
 		</rollingPolicy>