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Published online by Cambridge University Press: 11 January 2010
This is the chapter to read when you have trouble. We'll discuss dealing with components that won't load, recovering from simple image crashes as well as more complex ENVY crashes, and what you can do to make recovery easier. We'll also discuss more generic project troubleshooting to help you identify potential ENVY-related problems in a project, and suggest some possible remedies. The main topics we won't discuss here are installation and configuration problems, which we covered in Chapter 1.
Component Loading
One of the most common ENVY problems is that component editions will not load. A load may fail for many reasons. Two of the most common reasons are that a component cannot be constructed in the image (for example, the source for a method cannot be compiled or a required superclass is missing), or that loading a component results in the image being inconsistent (for example, a subapplication, class, or method would exist in two different places).
You have three main approaches to correcting a load failure, depending on the situation:
▪ altering an ENVY system setting that affects loading behavior
▪ modifying the component editions being loaded
▪ modifying the image
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