By Peter A. Buhr, Roy Krischer (auth.), Christophe Dony, Jørgen Lindskov Knudsen, Alexander Romanovsky, Anand Tripathi (eds.)

ISBN-10: 3540374434

ISBN-13: 9783540374435

Modern software program structures have gotten extra advanced in lots of methods and are having to deal with more and more irregular occasions which, in flip, are more and more advanced to deal with. Exception dealing with is a necessary a part of software program and procedure architectures and a very important point within the tool-set that allows the construction of resilient, powerful and secure software program platforms. ECOOP workshops on exception dealing with have been held in 2003 and 2005. This e-book is basically an final result of those occasions - numerous workshop members in addition to a couple of different prime researchers within the box have been invited to give a contribution a bankruptcy each.

This booklet consists of 5 elements; the 1st 4 care for issues on the topic of exception dealing with within the context of programming languages, concurrency and working platforms, pervasive computing structures, and necessities and requisites. The final half specializes in case experiences, experimentation and qualitative comparisons. The sixteen coherently written chapters by way of prime researchers correctly handle quite a lot of matters in exception handling.

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The outgoing fact is the empty set) to avoid cascading error reports. A method invocation may also raise a declared exception, represented by the fe edge in Figure 2. Our fault model is any method can either terminate normally or raise any of its declared checked exceptions. It is this assumption that allows us to simulate faults and find error-handling mistakes. Unlike the successful invocation case, we do not update the specification state in the outgoing dataflow fact. This is because the method did not terminate successfully and thus presumably did not perform the operation to transform the resource’s state.

This option is not desirable for Java programs. First, it would require checking unchecked exceptions, which is non-intuitive to most Java programmers. , close can raise an IOException). Exception-Handling Bugs in Java 33 contents are eventually executed. They are as convenient as destructors when lexical and lifetime scoping coincide and are flexible enough to handle resources when they do not. The ability to execute some compensations early is important and allows the common programming idiom where critical shared resources are freed as early as possible along each path.

The direct experiment of finding bugs, reporting them to developers and then counting how many are fixed is difficult to perform, especially in the open-source 30 W. Weimer community. We thus performed a time travel experiment to determine whether the bugs found by our analysis were important enough to fix. 1 from September 2004. 0 and noted the first 100 bugs reported. 1 to see if they had been fixed by the natural course of eclipse development. 1. Given our stated goal of improving software quality by finding and fixing bugs before a product is released, this number is important and helps to validate our analysis.

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Advanced Topics in Exception Handling Techniques by Peter A. Buhr, Roy Krischer (auth.), Christophe Dony, Jørgen Lindskov Knudsen, Alexander Romanovsky, Anand Tripathi (eds.)

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