Cassandra: Java-класс, выбрасывающий InvalidDataAccessApiUsageException при использовании cassandra

Question

Я использую весеннюю загрузку с Cassandra для сохранения данных.Но моя модель БД не могла работать с аннотациями Cassandra.

Я использую Java 11 и Cassandra 3.11.4 для своего веб-сервиса.

class CasDBNode

@ToString
@AllArgsConstructor
@NoArgsConstructor
@Getter
@Setter
@Table("node")
public class CasDBNode{

    @PrimaryKeyColumn(ordinal = 0, name = "id", type = PrimaryKeyType.PARTITIONED)
    private String id;

    @PrimaryKeyColumn(ordinal = 1, name = "config_id", type = PrimaryKeyType.PARTITIONED)
    private String configId;

    @Column
    private String name;

    @Column
    private NodeType type;

    @Column
    private List<? extends NodeResponse> responses;

    @Column("parent_node")
    private String parentNode;

    @Column
    private String conditions;

    @Column("previous_sibling")
    private String previousSibling;

    @Column("api_url")
    private String apiUrl;

    @Column
    private List<NodeQuestion> questions;

}

class SimpleNodeQuestion

@ToString
@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
@UserDefinedType
public class SimpleNodeQuestion implements NodeQuestion {

    private String title;

    private String output;

    @Column("context_name")
    private String contextName;

    private String condition;

    @Column("option_api")
    private String optionApi;

    @Column("default_options")
    private List<Option> defaultOptions;

}

Я видел, как некоторые решения добавляют @UserDefineType должен работать, но я все еще получаю ошибку

Cannot resolve reference to bean 'cassandraTemplate' while setting bean property 'cassandraTemplate'; 
nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'cassandraTemplate' defined in class path resource [org/springframework/boot/autoconfigure/data/cassandra/CassandraDataAutoConfiguration.class]: Unsatisfied dependency expressed through method 'cassandraTemplate' parameter 0; 
nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cassandraSession' defined in class path resource [org/springframework/boot/autoconfigure/data/cassandra/CassandraDataAutoConfiguration.class]: Invocation of init method failed; nested exception is org.springframework.dao.InvalidDataAccessApiUsageException: Only primitive types are allowed inside Collections for property [questions] of type ['interface java.util.List'] in entity [com.jamesaq12wsx.IBS_Backend.model.db.CasDBNode]

ОБНОВЛЕНИЕ

После поиска решения я изменяю аннотацию и меняю сообщение об ошибке

класс CasDBNode

@ToString
@AllArgsConstructor
@NoArgsConstructor
@Getter
@Setter
@Table(value = "node")
public class CasDBNode extends CasDBBaseData implements DBNode{

    @PrimaryKeyColumn(ordinal = 0, name = "id", type = PrimaryKeyType.PARTITIONED)
    private String id;

    @PrimaryKeyColumn(ordinal = 1, name = "config_id", type = PrimaryKeyType.PARTITIONED)
    private String configId;

    @Column
    private String name;

    @Column
    private NodeType type;

    @Column
    private List<? extends NodeResponse> responses;

    @Column("parent_node")
    private String parentNode;

    @Column
    private String conditions;

    @Column("previous_sibling")
    private String previousSibling;

    @Column("api_url")
    private String apiUrl;

    @CassandraType(type = DataType.Name.LIST, typeArguments = DataType.Name.UDT, userTypeName = "question")
    private List<DBNodeQuestion> questions;
}

класс CasDBNodeQuestion

@UserDefinedType(value = "question")
@AllArgsConstructor
@NoArgsConstructor
@Getter
@Setter
public class CasDBNodeQuestion implements DBNodeQuestion {

    private String title;

    private String output;

    private String contextName;

    private String condition;

    private String optionApi;

    @CassandraType(type = DataType.Name.LIST, userTypeName = "option")
    private List<DBOption> defaultOptions;

}

сообщение об ошибке меняется на

nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'cassandraTemplate' defined in class path resource [org/springframework/boot/autoconfigure/data/cassandra/CassandraDataAutoConfiguration.class]: Unsatisfied dependency expressed through method 'cassandraTemplate' parameter 0; 
nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cassandraSession' defined in class path resource [org/springframework/boot/autoconfigure/data/cassandra/CassandraDataAutoConfiguration.class]: Invocation of init method failed; 
nested exception is org.springframework.data.mapping.MappingException: User type [question] not found

обновление

Я изменил interface на class и все работает.

Я не уверен, что это проблема, но любая помощь будет принята с благодарностью и заранее!