This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
According to Servlet 2.4 Spec6.2.1, only one instance per <filter> in DD is created. But if there are 2 concurrent requests made to 2 servlets sharing the same <filter> definition, would the filter executed in multiple threads (just like servlet)? I cannot find related information in the specification. Could anyone point me to the appropriate location for more information.