logback/resourcs/logback-spring.xml %d{yyyy-MM-dd HH:mm:ss} %-5level %logger{36} - %msg%n Spring bootapplication.propertieslogging.level.org.mybatis=DEBUGlogging.level.org.apache.ibatis=DEBUGlogging.level.java.sql.PreparedStatement=DEBUGlogging.level.java.sql.Statement=DEBUGlogging.level.java.sql.ResultSet=DEBUGapp..

Spring boot 3.x 부터는 javax.servlet.http.HttpServletRequest를 지원하지 않음jakarta.servlet.http.HttpServletRequest를 사용해야 함

외부 디렉토리를 static으로 설정spring.web.resources.static-locations=file:/uploads/여러 디렉토리를 static으로 설정spring.web.resources.static-locations="file:/uploads/classpath:/static/"

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쿼리 SELECT to_char(current_timestamp,'yyyymmdd')||lpad(nextval('seq_test')::TEXT, 3, '0') INSERT INTO test( id, name ) VALUES ( #{id}, #{name} )서비스public String create(Map attach) { testMapper.create(attach); return attach.get("id").toString(); // Retrieve pre-generated ID}

filePath 정보를 계속 변경해서 while문으로 존재여부를 확인하는게 중요@PostMapping("/upload")public ResponseEntity handleFileUpload(@RequestParam("file") MultipartFile file) throws IOException { // Define the directory where files will be saved String uploadDir = "uploads/"; // Ensure the directory exists Path uploadPath = Paths.get(uploadDir); if (!Files.exists(uploadPath)) { Files.createDirectorie..