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Editorial Team
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Asked: 2026-05-27T18:05:04+00:00

I was going through differences of Struts1 vs Struts2, and came across this point:

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I was going through differences of Struts1 vs Struts2, and came across this point:

  • Struts 1 Actions are singletons and must be thread-safe since there will only be one instance of a class to handle all requests for that Action.

  • Struts 2 Action objects are instantiated for each request, so there are no thread-safety issues.

Now my question is: in Struts2, why there are no singleton concept for Action class? As I think because, unnecessarily, there is more Object creation for every request.
Please correct me if I am wrong.

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1 Answer

  1. Editorial Team

    Object creation is ridiculously fast in Java. Programming thread-safe action classes (and servlets, etc.) is irritating and error-prone.

    Like with everything, there’s a trade-off.

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