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Are struts action classes thread safe?

 
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Hi,

Could any one justify why struts action classes are/aren't thread safe?

Thanks,
 
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They're thread-safe if you write them to be so. Write them to not be thread-safe and they won't be.
 
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Struts (1) action classes are not thread safe in that they are essentially singletons. Therefore non-thread safe classes and state should not be stored in instance variables.

If you don't maintain state, the classes are thread safe. (Which is what I think Bear was getting at.)
 
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