Whenever you run into any type of problem using the JCC driver, the typical response for further diagnosis is to take a JCC trace.

在使用JCC驱动程序时，无论碰到何种类型的问题，为了作进一步的诊断，通常的做法是进行一个JCC跟踪。

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However, there are some key points in a JCC trace that we will discuss later that will help you to narrow down a problem.

然而，JCC跟踪中还是有几个关键的地方值得我们在后面加以讨论，它们有助于缩小问题的范围。

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Let us now have a look at the body of a JCC trace and try to piece together some key elements.

现在让我们来看看JCC跟踪的主体，并试着将一些关键的元素拼接起来。

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