You can ignore this error for now because we will correct it in the the last stage of the exercise.
可以暂时忽略这个错误,因为我们将在练习中的最后一个阶段中改正它。
If we learn from them and correct the way on our path, better things will result from it.
如果我们从中学习并加以改正,事情会有好的结果。
The XML message will be compile-time checked to make sure that it is syntactically correct and well-formed, something we don't get with standard servlets (or JSP, for that matter).
这条 XML 消息将进行编译时检查,以确保语法正确和格式良好,并获得一些标准 servlet(或 JSP)不具备的好处。
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