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When building web applications, what are some areas where synchronization problems arrise?

April 26, 2017applications areas arrise building problems synchronization web

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When building web applications, what are some areas where synchronization problems arrise?

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In general, you will run into synchronization issues when you try to access any shared resource. By shared resource, I mean anything which might be used by more than one request. Typical examples include: a) Connections to external servers, especially if you have any sort of pooling. b) Anything which you include in a HttpSession. (Your user could open many browser windows and make many simultaneous requests within the one session.) c) Log destinations, if you do your own logging from your servlets.