As with the SAX and DOM factory classes, one exception handles requested — but unsupported — features, and another exception handles instantiation errors.
对于SAX和DOM工厂类，一个异常处理已请求的但不受支持的特性，另一个异常处理实例化错误。
For transparent switch over, applications can be coded to catch the StaleConnection exception and retry a specified number of times to obtain new connection handles.
为了能够透明地切换，可以将应用程序编码为捕获StaleConnection异常，并重试指定的连接次数来获取新的连接句柄。
This code is included in the code which handles the click event for the Invoke Service button and its purpose is to avoid a null pointer exception when the web service is invoked with an empty string.
它的目的是避免使用空子符串调用Web服务而出现空指针异常。
If you invoke a preexisting function that can throw a checked exception, you should write a wrapper function that catches and handles that exception; then, invoke the wrapper method from XSLT instead.
如果您调用一个可能抛出检查异常的已有函数，您应编写一个包装器函数，捕获并处理此类异常，然后在XSLT中调用包装器方法。
The problem is that even though the code handles the case in which the initial GetFieldID doesn't return the field ID, it does not clear the exception that this call would set.
问题在于，尽管代码处理了初始getfieldid未返回字段id的情况，但它并未清除此调用将设置的异常。
Exception handling is a technique that tests and handles exception events.
异常处理是一种用来检测异常并对其进行处理的技术。
Each handler specifies some form of filter condition on the type of exception it handles.
每个处理程序对它处理的异常类型指定某种形式的筛选条件。
Which parameter do I have to analyse to get the address of the exception handler that actually handles the exception?
哪些参数要得到的异常处理程序处理异常分析实际地址？
NET has a top-level exception handler that handles exceptions to show error pages to browser users.
NET有一个顶级异常处理程序，该处理程序在对异常进行处理时向浏览器用户显示错误页面。
An exception is thrown by code when a problem occurs, and it is passed up the stack until the application handles it or the program fails.
异常在出现问题时由代码引发，并在堆栈中向上传递，直到应用程序对其进行处理或者程序失败。
The great exception is Alibaba, which handles nearly three-quarters of China's e-commerce.
阿里巴巴是个大大的例外——它控制了中国电子商务将近75%的市场份额。
The great exception is Alibaba, which handles nearly three-quarters of China's e-commerce.
阿里巴巴是个大大的例外——它控制了中国电子商务将近75%的市场份额。
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