Mark Dykstra

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Errors in multithreaded programs may not be easy to reproduce. The program may deadlock or encounter other thread-related errors under only very specific circumstances, or may behave differently when running different VMs. If you use multithreading in your client- or server-side Java, you should seriously consider a detection solution for the most common problems with threaded programming, including: Deadlocks Potential Deadlocks Data Races Deadlocks A deadlock is a situation where threads are blocked because one or both are waiting for access to a resource that will not be freed. The application can never terminate because the threads are blocked indefinitely. This behavior results from improper use of the synchronized keyword to manage thread interaction with specific objects. The synchronized keyword ensures that only one thread is permitted to execute a given block... (more)