IT_studyNote

1. 에러 메시지 converter.HttpMessageNotWritableException: Could not write JSON: JsonObject] 2. 원인 - DevController 1 2 3 4 5 6 @GetMapping("codef/card-list") public ResponseEntity sendCardList(@RequestBody CardApproveHistoryDTO approveHistoryDTO) throws UnsupportedEncodingException { JsonObject response = codefService.getCardList(approveHistoryDTO); return new ResponseEntity(response, HttpStatus.OK); ..

1. 에러 메시지 Resolved [org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation] 2. 원인 - PaymentController 1 2 3 4 5 6 7 8 9 10 11 12 @PostMapping("/new") @ResponseBody public ResponseEntity savePayment(@RequestBody PaymentRequest paymentRequest) { log.info("Payment controller: /api/payment/new ---------------------"); // // 빌링키 발급에 실패한 경우 if (billingKey..

1. 에러 메시지 Resolved [org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation] 2. 원인 - ContentsController 1 2 3 4 5 6 7 8 9 10 11 12 13 14 /** * content의 이미지 저장 */ @PostMapping("/new/image") public ResponseEntity saveImage(@RequestPart(required = false) MultipartFile newImage) throws IOException { log.info("Contents controller: api/contents/new/image -..

1. 에러 메시지 nested exception is org.h2.jdbc.JdbcSQLSyntaxErrorException: Table "SPRING_SESSION" not found; SQL statement 2. 원인 데이터베이스에 세션 저장소를 사용하기 위한 설정을 한 이후 서버를 킬 때 다음과 오류를 확인하였다. 3. 해결 1 spring.session.jdbc.initialize-schema=always // 추가 application.properties에 다음 줄을 추가해주고 다시 springboot 서버를 실행시키면 정상적으로 돌아가는 것을 확인할 수 있다. 참고 사이트 - https://velog.io/@mmy789/Spring-AWS-9

1. 에러 메시지 Caused by: org.hibernate.AnnotationException: Illegal attempt to map a non collection as a @OneToMany, @ManyToMany or @CollectionOfElements: 2. 원인 1 2 3 4 5 6 7 8 9 10 11 12 // User entity 부분 @OneToMany(mappedBy = "user") private Subscribe subscribe; --------------------------------------------------------------- // Subscribe entity 부분 @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(nam..

1. 에러 메시지 Resolved [org.springframework.web.HttpMediaTypeNotSupportedException: Content type 'application/octet-stream' not supported] 2. 원인 1 2 3 4 5 6 7 8 9 10 11 12 13 14 @PostMapping("/new") public ResponseEntity saveContents(@RequestPart(required = false) AllContentsRequest contentsRequest) throws IOException { log.info("Contents controller: api/contents/new ---------------------"); LinkedL..

1. 에러 메시지 Bytecode enhancement failed because no public, protected or package private default constructor was found for entity. 2. 원인 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 @Entity @Getter @Setter public class Writer extends BaseTimeEntity{ @Id @GeneratedValue @Column(name = "writer_id") private Long id; // id private String name; // 작가 이름 @OneToMany(mappedBy = "publisher..

1. 에러 메시지 Caused by: java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'group' at line 1 2. 원인 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 @Entity @Getter @Setter public class Group extends BaseTimeEntity{ @Id @GeneratedValue @Column(name = "group_id") private Long id; ..

1. 에러 메시지 Caused by: java.lang.IllegalStateException: Can't configure anyRequest after itself 2. 원인 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 @EnableWebSecurity public class SecurityConfig extends WebSecurityConfigurerAdapter { @Autowired private CustomOauth2UserService customOauth2UserService; @Override protected void configure(HttpSecurity http) throws Exception { ht..