回滚抛出了SQL错误

Question

尝试执行回滚，当回滚启动时会抛出SQL异常。我究竟做错了什么？？？我已经检查了其他帖子，但无法找到解释如何解决此问题的任何内容。我尝试过使用保存点，并说它们无法实现。回滚总是抛出这个错误吗？使用MySQL Server和Northwinds DB。

堆栈追踪：

TESTING TRANSACTION FAILURE
Connecting to database at jdbc:mysql://localhost:3306/northwind ...
Connecting...
Checking for transaction support...
Beginning a transaction...
Looking up customer 'ACJO' ...
Connecting to database at jdbc:mysql://localhost:3306/northwind ...
Connecting...
select * from customers where CustomerID = ?
Found customer.
Adding a new order to the database...
> insert into orders(OrderDate) values(?)
> select OrderID from orders where OrderDate = ?
Updating an order...
> update orders set orders.BadField = ? where orders.OrderID = ?
**** Rolling back transaction ****
java.sql.SQLException: Unknown column 'orders.BadField' in 'field list'
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1997)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1167)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2247)
at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1371)
at advanced.jdbc.northwind.TransactionDemo.updateOrderMistake(TransactionDemo.java:281)
at advanced.jdbc.northwind.TransactionDemo.testTransactionFailure(TransactionDemo.java:216)
at advanced.jdbc.northwind.TransactionDemo.main(TransactionDemo.java:425)

CODE：

  public void testTransactionFailure() {
    System.out.println("\n\nTESTING TRANSACTION FAILURE");
    Connection connection = null;

    try {

        connection = getConnection();

        System.out.println("Checking for transaction support...");
        // TODO 04. Get the database metadata.
        DatabaseMetaData databaseMetadata = connection.getMetaData();
        // TODO 05. Determine if the database supports transactions.

        boolean supported = false;
        supported = databaseMetadata.supportsTransactions();

        if (supported) {
            System.out.println("Beginning a transaction...");
            // TODO 06. Begin database transaction.
            connection.setAutoCommit(false);
            // create a new customer
            String companyName = "ACME Products Ltd.";
            String contactName = "John Doe";
            String customerID = createCustomerID(contactName, companyName);

            // check for customer before inserting
            if (!customerExists(customerID)) {
                addCustomer(customerID, companyName, contactName);
            }

            // add the order
            int orderID = insertOrder(connection, customerID);

            // oops, forgot shipping city so let's update it
            updateOrderMistake(connection, orderID, "Timbuktu");

            // TODO 07. Complete the transaction.
            System.out.println("Committing");
            connection.commit();


        } else {
            System.err.println("Transactions not supported!");
        }
    } catch (SQLException e) {
        if (connection != null) {
            System.out.println("**** Rolling back transaction ****");
            // TODO 08. Roll back the transaction.
            try {
                connection.rollback();



            } catch (SQLException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
        }
        e.printStackTrace();
    } finally {
        try {
            if (connection != null) {
                // TODO 09. Release resources.
                connection.close();
                connection = null;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}