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  • Anoop Kumar

    Member • Nov 20, 2013

    They don't have mutable class objects.
    If action class will have mutable class object then it will be problematic in mutithreading.
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  • Ajay Pandey

    Member • Nov 20, 2013

    My question is how action class in struts2 ensure concurrency(thraed safty)...... I know action class is normal java class.I am working as java developer since last 2 year.Now my application working in multithreaded enviorment and its working fine .But how action class work........?
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  • Anoop Kumar

    Member • Nov 20, 2013

    I don't have access to machine right now.
    I think there is saparate action classes classes are instantiated for each request.
    Can you make a instance variable and keep in loop in execute method. See how it works ?
    But I am sure there only one object cearted for FilterDispature servlet.
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  • Ajay Pandey

    Member • Nov 20, 2013

    thanks ianoop.I highely appreciated ur valuable responce.
    I got answer from my "black book for struts2".Struts 2 Action objects are instantiated for each request, so there are no thread-safety issues.Actually FilterDispature servlet object created wn request maps in web.xml to varify url and call for ActionMapper class.
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  • Anoop Kumar

    Member • Nov 20, 2013

    Yes this is difference between struts 1 and 2 .
    In struts 1 only one object of action will be created.
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  • micheal john

    Member • Nov 28, 2013

    ianoop
    Yes this is difference between struts 1 and 2 .
    In struts 1 only one object of action will be created.

    Guys i'm new to java frameworks please suggest me some main topics to be covered in spring and struct
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