oauth2/oauth2-core/src/main/java/org/springframework/security/oauth2/core/DelegatingOAuth2TokenValidator.java
@Override
	public OAuth2TokenValidatorResult validate(T token) {
		Collection<OAuth2Error> errors = new ArrayList<>();

		for ( OAuth2TokenValidator<T> validator : this.tokenValidators) {
			errors.addAll(validator.validate(token).getErrors());
		}

		return OAuth2TokenValidatorResult.failure(errors);
	}
@Override
	public OAuth2TokenValidatorResult validate(T token) {
		Collection<OAuth2Error> errors = new ArrayList<>();

		for ( OAuth2TokenValidator<T> validator : this.tokenValidators) {
			errors.addAll(validator.validate(token).getErrors());
		}

		return OAuth2TokenValidatorResult.failure(errors);
	}
{@inheritDoc}