работает

demo/src/main/java/com/example/demo/core/config/Constants.java

@@ -1,5 +1,5 @@
 package com.example.demo.core.config;
 
 public class Constants {
-    public static final String API_URL = "/api";
+    public static final String API_URL = "/api_2";
 }

demo/src/main/java/com/example/demo/core/config/WebConfig.java

@@ -9,7 +9,7 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 public class WebConfig implements WebMvcConfigurer {
     @Override
     public void addCorsMappings(@NonNull CorsRegistry registry) {
-        registry.addMapping("lab2/**")
+        registry.addMapping("/**")
                 .allowedMethods("GET", "POST", "PUT", "DELETE");
     }
 }

demo/src/main/java/com/example/demo/core/repository/CommonRepository.java

@@ -8,5 +8,5 @@ public interface CommonRepository<E, T> {
     E create(E entity);
     E update(E entity);
     E delete(E entity);
-    long deleteAll();
+    void deleteAll();
 }

demo/src/main/java/com/example/demo/core/repository/MapRepository.java

@@ -25,7 +25,8 @@ public abstract class MapRepository<E extends BaseEntity> implements CommonRepos
     @Override
     public E create(E entity){
         entity.setId(++lastId);
-        return entities.put(lastId, entity);
+        entities.put(lastId, entity);
+        return entity;
     }
 
     @Override
@@ -33,7 +34,8 @@ public abstract class MapRepository<E extends BaseEntity> implements CommonRepos
         if (get(entity.getId()) == null){
             return null;
         }
-        return entities.put(entity.getId(), entity);
+        entities.put(entity.getId(), entity);
+        return entity;
     }
 
     @Override
@@ -41,14 +43,14 @@ public abstract class MapRepository<E extends BaseEntity> implements CommonRepos
         if (get(entity.getId()) == null){
             return null;
         }
-        return entities.remove(entity.getId());
+        entities.remove(entity.getId());
+        return entity;
     }
 
     @Override
-    public long deleteAll(){
+    public void deleteAll(){
         long count = lastId;
         lastId = 0L;
         entities.clear();
-        return count;
     }
 }

demo/src/main/java/com/example/demo/users/api/UserController.java

@@ -33,7 +33,7 @@ public class UserController {
     }
 
     private UserEntity toEntity(UserDTO dto){
-        return modelMapper.map(dto, UserEntity.class);
+        return new UserEntity(-1L, dto.getName(), dto.getPassword());
     }
 
     @GetMapping

demo/src/main/java/com/example/demo/users/api/UserDTO.java

@@ -1,15 +1,9 @@
 package com.example.demo.users.api;
 
-import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
-import jakarta.validation.constraints.Min;
+import jakarta.validation.constraints.*;
-import jakarta.validation.constraints.NotNull;
-import jakarta.validation.constraints.Past;
-
-import java.util.Date;
 
 public class UserDTO {
-    @JsonProperty(access = JsonProperty.Access.READ_ONLY)
     private Long id;
     @NotNull
     @Min(2)
@@ -17,9 +11,6 @@ public class UserDTO {
     @NotNull
     @Min(4)
     private String password;
-    @NotNull
-    @Past
-    private Date dateCreate;
 
     public String getName() {
         return name;
@@ -27,15 +18,17 @@ public class UserDTO {
     public void setName(String name){
         this.name = name;
     }
-
-    public Date getDateCreate() {
-        return dateCreate;
-    }
-
     public String getPassword() {
         return password;
     }
     public void setPassword(String password){
         this.password = password;
     }
+    @JsonProperty(access = JsonProperty.Access.READ_ONLY)
+    public long getId(){
+        return id;
+    }
+    public void setId(long id){
+        this.id = id;
+    }
 }

demo/src/main/java/com/example/demo/users/api/UserMapper.java

@@ -0,0 +1,7 @@
+package com.example.demo.users.api;
+
+import org.modelmapper.ModelMapper;
+
+public class UserMapper extends ModelMapper {
+
+}

demo/src/main/java/com/example/demo/users/model/UserEntity.java

@@ -13,11 +13,11 @@ public class UserEntity extends BaseEntity {
         super();
     }
 
-    public UserEntity(Long id, String name, String password, Date dateCreate){
+    public UserEntity(Long id, String name, String password) {
         super(id);
         this.name = name;
         this.password = password;
-        this.dateCreate = dateCreate;
+        this.dateCreate = new Date();
     }
 
     public String getName(){

demo/src/main/java/com/example/demo/users/service/UserService.java

@@ -34,7 +34,7 @@ public class UserService {
         final UserEntity existEntity = get(id);
         existEntity.setName(entity.getName());
         existEntity.setPassword(entity.getPassword());
-        return repository.update(entity);
+        return repository.update(existEntity);
     }
 
     public UserEntity delete(Long id){