Jdbc error-UnsupportedOperationException

I wrote a javabean and test it in main function, I found it cann't work, the error as following: java.lang.UnsupportedOperationException java.sql.Statement sun.jdbc.odbc.JdbcOdbcConnection.createStatement(int, int) java.sql.ResultSet lyf.mydb.executeQuery(java.lang.String, int)

Jdbc error-UnsupportedOperationException

I wrote a javabean and test it in main function, I found it cann't work, the error as following: java.lang.UnsupportedOperationException java.sql.Statement sun.jdbc.odbc.JdbcOdbcConnection.createStatement(int, int) java.sql.ResultSet lyf.mydb.executeQuery(java.lang.String, int)