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ActionErrors in validate method

 
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hi friends,
need you help..
i am new to struts,.

can any one tell me that when the validate method returns the ActionErrors object that
represents the instances of ActionError stored in it, and after that the ActionServlet
checks that whther the Actionerrors object is empty if yes then it passed it to the
Specified ActionClass.if there are some errors in that case it passes to the input from
which he user used to pass the values. know
I am confused about the case whene there are errors and the ActionServlet forward back to
input form , for that to happen we will have to track the jsp/html from which client used
to enter the information././

Can any one help me more on this..
and also i will really appreciate in any one can tell me any links for studying Validator
in struts.
 
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