error URI templete ID

mini/src/main/kotlin/com/chantha/mini/controller/UserController.kt

@@ -2,6 +2,7 @@ package com.chantha.mini.controller
 
 import com.chantha.mini.dto.UserDto
 import com.chantha.mini.service.UserService
+import com.fasterxml.jackson.annotation.JsonRootName
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.stereotype.Controller
 import org.springframework.web.bind.annotation.GetMapping
@@ -11,14 +12,20 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 class UserController @Autowired constructor(private val userService: UserService){
 
-    @GetMapping("/api/user/{firstName}/{lastName}")
+    @GetMapping("/api/user/name/{firstName}/{lastName}")
     fun findByFirstNameAndLastName(@PathVariable firstName:String ?="",@PathVariable lastName:String?=""):UserDto{
        println(lastName+" "+firstName)
        return userService.findByFirstNameAndLastName(firstName,lastName)
     }
 
+
     @GetMapping("/api/user")
     fun findAllRecord():List<UserDto>{
         return userService.findAllRecord().orEmpty()
     }
+
+    @GetMapping("/api/user/id/{id}")
+    fun findById(@PathVariable Id:Long ):UserDto{
+        return userService.findById(Id)
+    }
 }

mini/src/main/kotlin/com/chantha/mini/dto/User.kt

@@ -1,6 +1,7 @@
 package com.chantha.mini.dto
 
 import com.fasterxml.jackson.annotation.JsonProperty
+import com.fasterxml.jackson.annotation.JsonRootName
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize
 import org.intellij.lang.annotations.Identifier
 import java.util.*
@@ -10,6 +11,7 @@ import javax.persistence.*
 
 @Entity
 @Table(name="tb_user")
+@JsonRootName("Person")
 data class UserDto
 (
         @Id

mini/src/main/kotlin/com/chantha/mini/repo/UserRepo.kt

@@ -12,4 +12,6 @@ interface UserRepo : JpaRepository<UserDto,Long> {
     fun findByFirstnameAndLastname(firstName:String?="",lastName:String?=""):UserDto
     @Query("SELECT * FROM user_dto",nativeQuery = true)
     fun findAllRecord():List<UserDto>
+    @Query("SELECT * FROM user_dto WHERE id=?1",nativeQuery = true)
+    fun findById(Id :Long ?= 0):UserDto
 }

mini/src/main/kotlin/com/chantha/mini/service/UserService.kt

@@ -2,8 +2,11 @@ package com.chantha.mini.service
 
 import com.chantha.mini.dto.UserDto
 import com.chantha.mini.repo.UserRepo
+import com.fasterxml.jackson.annotation.JsonFilter
+import com.fasterxml.jackson.annotation.JsonRootName
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.stereotype.Service
+import java.util.*
 
 @Service
 class UserService @Autowired constructor(private val userRepo: UserRepo) {
@@ -11,7 +14,12 @@ class UserService @Autowired constructor(private val userRepo: UserRepo) {
     fun findByFirstNameAndLastName(firstName: String? = "", lastName: String? = ""):UserDto {
         return userRepo.findByFirstnameAndLastname(firstName,lastName)
     }
+
     fun findAllRecord():List<UserDto>{
         return userRepo.findAllRecord()
     }
+
+    fun findById(Id : Long? = 0): UserDto {
+        return userRepo.findById(Id)
+    }
 }