Type handler implementation for array of objects in myBatis

I am trying to write type handler for array of objects but this is giving me errors. I want to store arraylist as JSON in DB(mysql) and retrieve it as arraylist . I got the type handler examples with arraylist of String but here I am using custom class instead of String and not able to understand what is the correct way to write type handler for it.

Here is the code for typeHandler

  import com.knimbus.model.Options;

  import org.apache.ibatis.type.BaseTypeHandler;
  import org.apache.ibatis.type.JdbcType;
  import org.apache.ibatis.type.MappedJdbcTypes;

  import java.sql.Array;
  import java.sql.CallableStatement;
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  import java.util.List;

  import com.google.common.collect.Lists;

    @MappedJdbcTypes(JdbcType.VARCHAR)
    public class MyBatisJsonTypeHandler extends BaseTypeHandler<List<Options>> {

@Override
  public void setNonNullParameter(PreparedStatement ps, int i, List<Options> parameter, JdbcType              jdbcType) throws SQLException {
    Array array = ps.getConnection().createArrayOf("text", parameter.toArray());
    ps.setArray(i, array);
  }

  @Override
  public List<Options> getNullableResult(ResultSet rs, String columnName) throws SQLException {
    return toList(rs.getArray(columnName));
  }

  @Override
  public List<Options> getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
    return toList(rs.getArray(columnIndex));
  }

  @Override
      public List<Options> getNullableResult(CallableStatement cs, int columnIndex) throws SQLException       {
    return toList(cs.getArray(columnIndex));
  }

      private List<Options> toList(Array pgArray) throws SQLException {
        if (pgArray == null) return Lists.newArrayList();

           Options[] options = (Options[]) pgArray.getArray();
           return containsOnlyNulls(options) ? Lists.<Options>newArrayList() :           Lists.newArrayList(options);
}


  private boolean containsOnlyNulls(Options[] options) {
    for (Options ops : options) {
      if (ops != null) {
        return false;
      }
    }
    return true;
  }}`

My dto class looks like this

import java.util.ArrayList;
import java.util.List;

public class Question {
private Long questionId;
private String question;

private  List<Options> options = new ArrayList<Options>();

public Question() {
    
}

public Long getQuestionId() {
    return questionId;
}

public void setQuestionId(Long questionId) {
    this.questionId = questionId;
}

public String getQuestion() {
    return question;
}

public void setQuestion(String question) {
    this.question = question;
}

      public List<Options> getOptions() {
    return options;
}

    public void setOptions(List<Options> options) {
    this.options = options;
}

}

     public class Options {
     private String optionCode;
     private String optionName;
     private int order;
     public Options() {}
     public String getOptionCode() {
        return optionCode;
}
    public void setOptionCode(String optionCode) {
    this.optionCode = optionCode;
}
    public String getOptionName() {
    return optionName;
}
       public void setOptionName(String optionName) {
this.optionName = optionName;
}
    public int getOrder() {
    return order;
}
     public void setOrder(int order) {
    this.order = order;
}
    @Override
    public String toString() {
    return "Options [optionCode=" + optionCode + ", optionName=" + optionName + ", order=" +         order + "]";
}


  }

`

my mapper file code is like this

`

</resultMap>
    <select id="getAllQuestion" resultType="question" >
    SELECT * FROM question
    </select>

    <insert id="addQuestion" parameterType="question">
    INSERT INTO question( questionId, question, options)
    VALUES(#{questionId},#{question}, #{options, typeHandler= 
    {com.knimbus.util.config.MyBatisJsonTypeHandler}, javaType = 
      {com.knimbus.model.Options}})
       </insert>

Below is the request data passing through client

   {
    "questionId": 4,
      "question":"Who will win FIFA world cup?", 
    "options": [
    {
        "optionCode": "A",
        "optionName": "Brazil",
        "order": 1
    },
    {
        "optionCode": "B",
        "optionName": "France",
        "order": 2
    },
    {
        "optionCode": "C",
        "optionName": "Argentina",
        "order": 3
    }
     ]
      }

below is the table structure

 ` CREATE TABLE `question`(
  `questionId` int NOT NULL AUTO_INCREMENT,
  `question` varchar(50) NOT NULL,
  `Options` json DEFAULT NULL,
  PRIMARY KEY (`questionId`));`

While inserting the data getting below errors. Looks like I am missing something in type handler class but not able to figure it out.

SEVERE: Servlet.service() for servlet [spring] in context with path [/UserMyBatis] threw exception [Request processing failed; nested exception is org.apache.ibatis.exceptions.PersistenceException:

Error updating database. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias '{com.knimbus.util.config.MyBatisJsonTypeHandler'. Cause: java.lang.ClassNotFoundException: Cannot find class: {com.knimbus.util.config.MyBatisJsonTypeHandler

Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias '{com.knimbus.util.config.MyBatisJsonTypeHandler'. Cause: java.lang.ClassNotFoundException: Cannot find class: {com.knimbus.util.config.MyBatisJsonTypeHandler] with root cause

java.lang.ClassNotFoundException: Cannot find class: {com.knimbus.util.config.MyBatisJsonTypeHandler

and while retrieving data it does not send the "options" class related data, something like below

   `[
    {
    "questionId": 3,
    "question": "Who will win FIFA world cup ",
    "options": []
     }
     ]`