Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, actual 0

Question

I am using Jdbctemplate to retrieve a single String value from the db. Here is my method.

    public String test() {
        String cert=null;
        Strin         


        

Answer 1

Since getJdbcTemplate().queryForMap expects minimum size of one but when it returns null it shows EmptyResultDataAccesso fix dis when can use below logic

Map loginMap =null;
try{
    loginMap = getJdbcTemplate().queryForMap(sql, new Object[] {CustomerLogInInfo.getCustLogInEmail()});
}
catch(EmptyResultDataAccessException ex){
    System.out.println("Exception.......");
    loginMap =null;
}
if(loginMap==null || loginMap.isEmpty()){
    return null;
}
else{
    return loginMap;
}