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src/main/java/com/rest/api/entity/User.java

@@ -1,7 +1,11 @@
 package com.rest.api.entity;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
-import lombok.*;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.userdetails.UserDetails;
@@ -18,10 +22,11 @@ import java.util.stream.Collectors;
 @NoArgsConstructor // 인자없는 생성자를 자동으로 생성합니다.
 @AllArgsConstructor // 인자를 모두 갖춘 생성자를 자동으로 생성합니다.
 @Table(name = "user") // 'user' 테이블과 매핑됨을 명시
+@JsonIgnoreProperties({"hibernateLazyInitializer", "handler"})
 public class User implements UserDetails {
     @Id // pk
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private long msrl;
+    private Long msrl;
     @Column(nullable = false, unique = true, length = 50)
     private String uid;
     @JsonProperty(access = JsonProperty.Access.WRITE_ONLY)