Java Spring Boot deleteById - Cant reach Exception

[somber compass]

I'm making a API REST using Java Spring Boot.

One of my services is deleteUser. that delete User by an Id.

userService.java:
public boolean deleteUser(Long id) { try { usuarioRepository.deleteById(id); return true; } catch(Exception err) { return false; } }

I use try catch to manage the exception in case the Id dont exists or is null, but this never happens
Even If i Post id=24535253 its always true.

userController.java
`@DeleteMapping( path = "/{id}")
public String eliminarPorId(@PathVariable("id") Long id){

    boolean ok = this.usuarioService.deleteUser(id);
    System.out.println("booleando de id: "+ ok);
   if(ok){
        return "Se eliminó el usuario con id " + id;
    }else{
        return "No pudo eliminar el usuario con id" + id;
    }
}`

I'm using JDK 17

[true glen]

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[opal snow]

Do you ever explicitly throw an exception in your deleteById method?

[frank frost]

From the docs If the entity is not found in the persistence store it is silently ignored.

https://docs.spring.io/spring-data/commons/docs/current/api/org/springframework/data/repository/CrudRepository.html#deleteById(ID)

@somber compass

[somber compass]

hmmm

I think I need to check if the Id exists or not and them return a boolean.
But dont know how

[somber compass]

userService.java

[frank frost]

if (repository.existsById(entityId)) {
    repository.deleteById(entityId);
}```

[somber compass]

thanx

[true glen]

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