Exception classes are another example of classes that may not load until well into an application's execution, because exceptions are ideally (though not always) rare occurrences.
2
测试应用程序和初始化testclient . jsp时，会发生如下的异常。
When testing the application and initializing the TestClient.jsp, the following exception occurs.
3
Transaction Demo应用程序中的Add Records with Failure菜单项演示了当操作过程中发生异常时事务将如何处理。
The Add Records with Failure menu item in the transaction demo application demonstrates what happens to a transaction when an exception occurs sometime during the operation.
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