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Posted to user@struts.apache.org by Siddiq Syed <si...@yahoo.com> on 2009/04/25 01:47:04 UTC
result type -- redirect-action vs dispatcher.
Hi all,
Problem statement. :
When validation happens in struts 2 it will redirect to result type "Input" if type="tiles" JSP will display the validation message and If result type="redirect-action" , validation message will not get display.
In order to display validation messages , I am using interceptor where validation messages are will be stored in session and the same will be displayed in JSP.
Problem is validation messages are getting displayed but the values are getting lost in the text boxs. The reason for this is because its the brand request object because of redirect-action.
Is there any way where i can forward to action , but still can able to retrive the previous request. ?
I know we can use dispacther , but dispacther uses only ".jsp" .
Regards
siddiq.
Re: result type -- redirect-action vs dispatcher.
Posted by Wes Wannemacher <we...@wantii.com>.
On Friday 24 April 2009 19:47:04 Siddiq Syed wrote:
> Hi all,
>
> Problem statement. :
>
> When validation happens in struts 2 it will redirect to result type
> "Input" if type="tiles" JSP will display the validation message and If
> result type="redirect-action" , validation message will not get display. In
> order to display validation messages , I am using interceptor where
> validation messages are will be stored in session and the same will be
> displayed in JSP.
> Problem is validation messages are getting displayed but the values are
> getting lost in the text boxs. The reason for this is because its the brand
> request object because of redirect-action.
> Is there any way where i can forward to action , but still can able to
> retrive the previous request. ?
> I know we can use dispacther , but dispacther uses only ".jsp" .
>
I could be wrong, but i think redirectAction is the only result type that ends
up with a new request... I don't really understand the use case where
validation fails and you want to go to input for a different action... Can you
post your struts.xml section pertinent to this problem.
-Wes
--
Wes Wannemacher
Author - Struts 2 In Practice
Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
http://www.manning.com/wannemacher
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Re: result type -- redirect-action vs dispatcher.
Posted by dusty <du...@yahoo.com>.
So I am not sure what you mean when you say that chain executes no matter
what happens. You have some action config like:
<action class="xxx" method="xxx">
<result name="input" type="chain">processFAIL</result>
<result name="success" type="redirect">/xxx?id=${id}</result>
</action>
Chain is only running here if your action returns "input". Your action is
only returning input because of the workflow interceptor. If you take out
that inteceptor then you need to deal with the validation, look for error
messages and figure out what to return. Workflow & Validation are used
together in 99%+ of struts2 apps, but they don't have to be.......
I guess the point is that chain will only run if your action wants that
result. In the end though I think you may want to think about the
complexity of this one action. Take a look at this warning in the Struts2
documentation:
http://struts.apache.org/2.x/docs/action-chaining.html
What you are describing is exactly what the chain interceptor is there for.
http://struts.apache.org/2.x/docs/action-chaining.html
Siddiq Syed wrote:
>
> Hi all,
>
> I am still struggling with the same problem , Did anybody have any
> solution/thoughts ?
>
> I have a problem with forwarding the request to an action.
> I am using validations for the fields mention on the form , once
> validation fails as struts defined it will check for result name "Input".
> If the result name "Input" is defined with result type "redirect-action"
> as shown below , this will forward to the mention action with new request.
> <result name="input" type="redirect-action">
> Is there any way where I can forward to an action , but still can use the
> old request object, throught will I can display the invalid values that
> user enter.
> I tried all the result type like :
> dispatcher --- Dispacther uses the old request object but the location
> must be a view not an action.
> Chain --- chain uses the old request object but it is excuted irrespective
> of what happen , life even if the validation pass chain is going to
> exucute.
> redirect -- same as redirect-action.
> Do anybody got such a problem earlier. ?
> Temp solution :
> I am setting the values in the session in the getter method of the object.
> and setting back to the new request removing it from the session.
> But i think this is a temp solution , there should be a direct solution
> where we can speicfy in resut-type like redirect with the old request
> object.
> Please any Inputs are highly appreicated.
>
>
>
> Siddiq Syed wrote:
>>
>> Hi ,
>>
>> I think chain is not going to work for this kind of pattern. Because I
>> think chain will excute irrespective of what happens , even if
>> validations pass chain is going to call the action , which is not
>> required in this case.
>>
>> I am just wondering there should be a way where we can retreview the
>> values from the request like forward.
>>
>> Regards
>> Siddiq.
>>
>>
>> dusty wrote:
>>>
>>> The technical answer to your question is the "chain" result will copy
>>> the previous request.
>>>
>>> I think there could be some pattern issues here though. You have a
>>> central action where you post a variety of forms and you want to reuse
>>> that action and then figure out which form to go back to?
>>>
>>> I don't know the requirements behind the pattern so its hard to say if
>>> its better served some other way. Is it to type less?
>>>
>>>
>>>
>>> Siddiq Syed wrote:
>>>>
>>>> Hi Wes,
>>>>
>>>> Here is the configuration in struts.xml for displaying the result ,
>>>> where we determine what need to be displayed once validation failed.
>>>>
>>>> If validation fails while "calculateParoleEligibilityDate" , then
>>>> framwork will look for input for the defined action which is
>>>> "determineInputForRedirect", which determine the corresponding view
>>>> which need to be display.
>>>>
>>>> Again the problem is "redirect-action" which leads to create a new
>>>> request , is there any way where i can redirect/forward to an action
>>>> which contains the previous request.
>>>>
>>>> <action name="calculateParoleEligibilityDate"
>>>> class="us.ga.state.pap.cons.clemency.presentation.action.activity.UpdateCaseAction"
>>>> method="calculateParoleEligibilityDate">
>>>> <interceptor-ref name="redirectInput"/>
>>>> <result name="newsentence" type="tiles">editNewSentence</result>
>>>> <result name="additionalsentence"
>>>> type="tiles">editAdditionalSentence</result>
>>>> <result name="recomputation" type="tiles">editRecomputation</result>
>>>> <result name="revocation" type="tiles">editRevocation</result>
>>>> <result name="revocationnewconvict"
>>>> type="tiles">editRevocationNewConvict</result>
>>>> <result name="casedetail" type="tiles">updateCaseDetail</result>
>>>> <result name="combine" type="tiles">editProcessCombine</result>
>>>> <result name="input" type="redirect-action">
>>>> determineInputForRedirect
>>>> ${caseNumber}
>>>> ${caseEditReason}
>>>> ${showButton}
>>>> ${taskId}
>>>> </result>
>>>> </action>
>>>> <action name="determineInputForRedirect"
>>>> class="us.ga.state.pap.cons.clemency.presentation.action.activity.UpdateCaseAction"
>>>> method="determineInputForRedirect">
>>>> <result name="newsentence" type="tiles">editNewSentence</result>
>>>> <result name="additionalsentence"
>>>> type="tiles">editAdditionalSentence</result>
>>>> <result name="recomputation" type="tiles">editRecomputation</result>
>>>> <result name="revocation" type="tiles">editRevocation</result>
>>>> <result name="revocationnewconvict"
>>>> type="tiles">editRevocationNewConvict</result>
>>>> <result name="casedetail" type="tiles">updateCaseDetail</result>
>>>> <result name="combine" type="tiles">editProcessCombine</result>
>>>> </action>
>>>>
>>>>
>>>> Thanks in advance. I hope you got my problem.
>>>>
>>>> Regards,
>>>> Siddiq
>>>>
>>>> --- On Sat, 4/25/09, Wes Wannemacher <we...@wantii.com> wrote:
>>>>
>>>>
>>>> From: Wes Wannemacher <we...@wantii.com>
>>>> Subject: Re: result type -- redirect-action vs dispatcher.
>>>> To: "Struts Users Mailing List" <us...@struts.apache.org>
>>>> Date: Saturday, April 25, 2009, 12:00 AM
>>>>
>>>>
>>>> On Friday 24 April 2009 19:47:04 Siddiq Syed wrote:
>>>>> Hi all,
>>>>>
>>>>> Problem statement. :
>>>>>
>>>>> When validation happens in struts 2 it will redirect to result type
>>>>> "Input" if type="tiles" JSP will display the validation message and If
>>>>> result type="redirect-action" , validation message will not get
>>>>> display.. In
>>>>> order to display validation messages , I am using interceptor where
>>>>> validation messages are will be stored in session and the same will be
>>>>> displayed in JSP.
>>>>> Problem is validation messages are getting displayed but the values
>>>>> are
>>>>> getting lost in the text boxs. The reason for this is because its the
>>>>> brand
>>>>> request object because of redirect-action.
>>>>> Is there any way where i can forward to action , but still can able to
>>>>> retrive the previous request. ?
>>>>> I know we can use dispacther , but dispacther uses only ".jsp" .
>>>>>
>>>>
>>>> I could be wrong, but i think redirectAction is the only result type
>>>> that ends
>>>> up with a new request... I don't really understand the use case where
>>>> validation fails and you want to go to input for a different action...
>>>> Can you
>>>> post your struts.xml section pertinent to this problem.
>>>>
>>>> -Wes
>>>>
>>>> --
>>>>
>>>> Wes Wannemacher
>>>> Author - Struts 2 In Practice
>>>> Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
>>>> http://www.manning.com/wannemacher
>>>>
>>>>
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: user-unsubscribe@struts.apache.org
>>>> For additional commands, e-mail: user-help@struts.apache.org
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>
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Re: result type -- redirect-action vs dispatcher.
Posted by Siddiq Syed <si...@yahoo.com>.
Hi all,
I am still struggling with the same problem , Did anybody have any
solution/thoughts ?
I have a problem with forwarding the request to an action.
I am using validations for the fields mention on the form , once validation
fails as struts defined it will check for result name "Input".
If the result name "Input" is defined with result type "redirect-action" as
shown below , this will forward to the mention action with new request.
<result name="input" type="redirect-action">
Is there any way where I can forward to an action , but still can use the
old request object, throught will I can display the invalid values that user
enter.
I tried all the result type like :
dispatcher --- Dispacther uses the old request object but the location must
be a view not an action.
Chain --- chain uses the old request object but it is excuted irrespective
of what happen , life even if the validation pass chain is going to exucute.
redirect -- same as redirect-action.
Do anybody got such a problem earlier. ?
Temp solution :
I am setting the values in the session in the getter method of the object.
and setting back to the new request removing it from the session.
But i think this is a temp solution , there should be a direct solution
where we can speicfy in resut-type like redirect with the old request
object.
Please any Inputs are highly appreicated.
Siddiq Syed wrote:
>
> Hi ,
>
> I think chain is not going to work for this kind of pattern. Because I
> think chain will excute irrespective of what happens , even if validations
> pass chain is going to call the action , which is not required in this
> case.
>
> I am just wondering there should be a way where we can retreview the
> values from the request like forward.
>
> Regards
> Siddiq.
>
>
> dusty wrote:
>>
>> The technical answer to your question is the "chain" result will copy the
>> previous request.
>>
>> I think there could be some pattern issues here though. You have a
>> central action where you post a variety of forms and you want to reuse
>> that action and then figure out which form to go back to?
>>
>> I don't know the requirements behind the pattern so its hard to say if
>> its better served some other way. Is it to type less?
>>
>>
>>
>> Siddiq Syed wrote:
>>>
>>> Hi Wes,
>>>
>>> Here is the configuration in struts.xml for displaying the result ,
>>> where we determine what need to be displayed once validation failed.
>>>
>>> If validation fails while "calculateParoleEligibilityDate" , then
>>> framwork will look for input for the defined action which is
>>> "determineInputForRedirect", which determine the corresponding view
>>> which need to be display.
>>>
>>> Again the problem is "redirect-action" which leads to create a new
>>> request , is there any way where i can redirect/forward to an action
>>> which contains the previous request.
>>>
>>> <action name="calculateParoleEligibilityDate"
>>> class="us.ga.state.pap.cons.clemency.presentation.action.activity.UpdateCaseAction"
>>> method="calculateParoleEligibilityDate">
>>> <interceptor-ref name="redirectInput"/>
>>> <result name="newsentence" type="tiles">editNewSentence</result>
>>> <result name="additionalsentence"
>>> type="tiles">editAdditionalSentence</result>
>>> <result name="recomputation" type="tiles">editRecomputation</result>
>>> <result name="revocation" type="tiles">editRevocation</result>
>>> <result name="revocationnewconvict"
>>> type="tiles">editRevocationNewConvict</result>
>>> <result name="casedetail" type="tiles">updateCaseDetail</result>
>>> <result name="combine" type="tiles">editProcessCombine</result>
>>> <result name="input" type="redirect-action">
>>> determineInputForRedirect
>>> ${caseNumber}
>>> ${caseEditReason}
>>> ${showButton}
>>> ${taskId}
>>> </result>
>>> </action>
>>> <action name="determineInputForRedirect"
>>> class="us.ga.state.pap.cons.clemency.presentation.action.activity.UpdateCaseAction"
>>> method="determineInputForRedirect">
>>> <result name="newsentence" type="tiles">editNewSentence</result>
>>> <result name="additionalsentence"
>>> type="tiles">editAdditionalSentence</result>
>>> <result name="recomputation" type="tiles">editRecomputation</result>
>>> <result name="revocation" type="tiles">editRevocation</result>
>>> <result name="revocationnewconvict"
>>> type="tiles">editRevocationNewConvict</result>
>>> <result name="casedetail" type="tiles">updateCaseDetail</result>
>>> <result name="combine" type="tiles">editProcessCombine</result>
>>> </action>
>>>
>>>
>>> Thanks in advance. I hope you got my problem.
>>>
>>> Regards,
>>> Siddiq
>>>
>>> --- On Sat, 4/25/09, Wes Wannemacher <we...@wantii.com> wrote:
>>>
>>>
>>> From: Wes Wannemacher <we...@wantii.com>
>>> Subject: Re: result type -- redirect-action vs dispatcher.
>>> To: "Struts Users Mailing List" <us...@struts.apache.org>
>>> Date: Saturday, April 25, 2009, 12:00 AM
>>>
>>>
>>> On Friday 24 April 2009 19:47:04 Siddiq Syed wrote:
>>>> Hi all,
>>>>
>>>> Problem statement. :
>>>>
>>>> When validation happens in struts 2 it will redirect to result type
>>>> "Input" if type="tiles" JSP will display the validation message and If
>>>> result type="redirect-action" , validation message will not get
>>>> display.. In
>>>> order to display validation messages , I am using interceptor where
>>>> validation messages are will be stored in session and the same will be
>>>> displayed in JSP.
>>>> Problem is validation messages are getting displayed but the values are
>>>> getting lost in the text boxs. The reason for this is because its the
>>>> brand
>>>> request object because of redirect-action.
>>>> Is there any way where i can forward to action , but still can able to
>>>> retrive the previous request. ?
>>>> I know we can use dispacther , but dispacther uses only ".jsp" .
>>>>
>>>
>>> I could be wrong, but i think redirectAction is the only result type
>>> that ends
>>> up with a new request... I don't really understand the use case where
>>> validation fails and you want to go to input for a different action...
>>> Can you
>>> post your struts.xml section pertinent to this problem.
>>>
>>> -Wes
>>>
>>> --
>>>
>>> Wes Wannemacher
>>> Author - Struts 2 In Practice
>>> Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
>>> http://www.manning.com/wannemacher
>>>
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: user-unsubscribe@struts.apache.org
>>> For additional commands, e-mail: user-help@struts.apache.org
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>
>
--
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Re: result type -- redirect-action vs dispatcher.
Posted by Siddiq Syed <si...@yahoo.com>.
Hi ,
I think chain is not going to work for this kind of pattern. Because I think
chain will excute irrespective of what happens , even if validations pass
chain is going to call the action , which is not required in this case.
I am just wondering there should be a way where we can retreview the values
from the request like forward.
Regards
Siddiq.
dusty wrote:
>
> The technical answer to your question is the "chain" result will copy the
> previous request.
>
> I think there could be some pattern issues here though. You have a
> central action where you post a variety of forms and you want to reuse
> that action and then figure out which form to go back to?
>
> I don't know the requirements behind the pattern so its hard to say if its
> better served some other way. Is it to type less?
>
>
>
> Siddiq Syed wrote:
>>
>> Hi Wes,
>>
>> Here is the configuration in struts.xml for displaying the result , where
>> we determine what need to be displayed once validation failed.
>>
>> If validation fails while "calculateParoleEligibilityDate" , then
>> framwork will look for input for the defined action which is
>> "determineInputForRedirect", which determine the corresponding view which
>> need to be display.
>>
>> Again the problem is "redirect-action" which leads to create a new
>> request , is there any way where i can redirect/forward to an action
>> which contains the previous request.
>>
>> <action name="calculateParoleEligibilityDate"
>> class="us.ga.state.pap.cons.clemency.presentation.action.activity.UpdateCaseAction"
>> method="calculateParoleEligibilityDate">
>> <interceptor-ref name="redirectInput"/>
>> <result name="newsentence" type="tiles">editNewSentence</result>
>> <result name="additionalsentence"
>> type="tiles">editAdditionalSentence</result>
>> <result name="recomputation" type="tiles">editRecomputation</result>
>> <result name="revocation" type="tiles">editRevocation</result>
>> <result name="revocationnewconvict"
>> type="tiles">editRevocationNewConvict</result>
>> <result name="casedetail" type="tiles">updateCaseDetail</result>
>> <result name="combine" type="tiles">editProcessCombine</result>
>> <result name="input" type="redirect-action">
>> determineInputForRedirect
>> ${caseNumber}
>> ${caseEditReason}
>> ${showButton}
>> ${taskId}
>> </result>
>> </action>
>> <action name="determineInputForRedirect"
>> class="us.ga.state.pap.cons.clemency.presentation.action.activity.UpdateCaseAction"
>> method="determineInputForRedirect">
>> <result name="newsentence" type="tiles">editNewSentence</result>
>> <result name="additionalsentence"
>> type="tiles">editAdditionalSentence</result>
>> <result name="recomputation" type="tiles">editRecomputation</result>
>> <result name="revocation" type="tiles">editRevocation</result>
>> <result name="revocationnewconvict"
>> type="tiles">editRevocationNewConvict</result>
>> <result name="casedetail" type="tiles">updateCaseDetail</result>
>> <result name="combine" type="tiles">editProcessCombine</result>
>> </action>
>>
>>
>> Thanks in advance. I hope you got my problem.
>>
>> Regards,
>> Siddiq
>>
>> --- On Sat, 4/25/09, Wes Wannemacher <we...@wantii.com> wrote:
>>
>>
>> From: Wes Wannemacher <we...@wantii.com>
>> Subject: Re: result type -- redirect-action vs dispatcher.
>> To: "Struts Users Mailing List" <us...@struts.apache.org>
>> Date: Saturday, April 25, 2009, 12:00 AM
>>
>>
>> On Friday 24 April 2009 19:47:04 Siddiq Syed wrote:
>>> Hi all,
>>>
>>> Problem statement. :
>>>
>>> When validation happens in struts 2 it will redirect to result type
>>> "Input" if type="tiles" JSP will display the validation message and If
>>> result type="redirect-action" , validation message will not get
>>> display.. In
>>> order to display validation messages , I am using interceptor where
>>> validation messages are will be stored in session and the same will be
>>> displayed in JSP.
>>> Problem is validation messages are getting displayed but the values are
>>> getting lost in the text boxs. The reason for this is because its the
>>> brand
>>> request object because of redirect-action.
>>> Is there any way where i can forward to action , but still can able to
>>> retrive the previous request. ?
>>> I know we can use dispacther , but dispacther uses only ".jsp" .
>>>
>>
>> I could be wrong, but i think redirectAction is the only result type that
>> ends
>> up with a new request... I don't really understand the use case where
>> validation fails and you want to go to input for a different action...
>> Can you
>> post your struts.xml section pertinent to this problem.
>>
>> -Wes
>>
>> --
>>
>> Wes Wannemacher
>> Author - Struts 2 In Practice
>> Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
>> http://www.manning.com/wannemacher
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: user-unsubscribe@struts.apache.org
>> For additional commands, e-mail: user-help@struts.apache.org
>>
>>
>>
>>
>>
>>
>
>
--
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Re: result type -- redirect-action vs dispatcher.
Posted by dusty <du...@yahoo.com>.
The technical answer to your question is the "chain" result will copy the
previous request.
I think there could be some pattern issues here though. You have a central
action where you post a variety of forms and you want to reuse that action
and then figure out which form to go back to?
I don't know the requirements behind the pattern so its hard to say if its
better served some other way. Is it to type less?
Siddiq Syed wrote:
>
> Hi Wes,
>
> Here is the configuration in struts.xml for displaying the result , where
> we determine what need to be displayed once validation failed.
>
> If validation fails while "calculateParoleEligibilityDate" , then framwork
> will look for input for the defined action which is
> "determineInputForRedirect", which determine the corresponding view which
> need to be display.
>
> Again the problem is "redirect-action" which leads to create a new request
> , is there any way where i can redirect/forward to an action which
> contains the previous request.
>
> <action name="calculateParoleEligibilityDate"
> class="us.ga.state.pap.cons.clemency.presentation.action.activity.UpdateCaseAction"
> method="calculateParoleEligibilityDate">
> <interceptor-ref name="redirectInput"/>
> <result name="newsentence" type="tiles">editNewSentence</result>
> <result name="additionalsentence"
> type="tiles">editAdditionalSentence</result>
> <result name="recomputation" type="tiles">editRecomputation</result>
> <result name="revocation" type="tiles">editRevocation</result>
> <result name="revocationnewconvict"
> type="tiles">editRevocationNewConvict</result>
> <result name="casedetail" type="tiles">updateCaseDetail</result>
> <result name="combine" type="tiles">editProcessCombine</result>
> <result name="input" type="redirect-action">
> determineInputForRedirect
> ${caseNumber}
> ${caseEditReason}
> ${showButton}
> ${taskId}
> </result>
> </action>
> <action name="determineInputForRedirect"
> class="us.ga.state.pap.cons.clemency.presentation.action.activity.UpdateCaseAction"
> method="determineInputForRedirect">
> <result name="newsentence" type="tiles">editNewSentence</result>
> <result name="additionalsentence"
> type="tiles">editAdditionalSentence</result>
> <result name="recomputation" type="tiles">editRecomputation</result>
> <result name="revocation" type="tiles">editRevocation</result>
> <result name="revocationnewconvict"
> type="tiles">editRevocationNewConvict</result>
> <result name="casedetail" type="tiles">updateCaseDetail</result>
> <result name="combine" type="tiles">editProcessCombine</result>
> </action>
>
>
> Thanks in advance. I hope you got my problem.
>
> Regards,
> Siddiq
>
> --- On Sat, 4/25/09, Wes Wannemacher <we...@wantii.com> wrote:
>
>
> From: Wes Wannemacher <we...@wantii.com>
> Subject: Re: result type -- redirect-action vs dispatcher.
> To: "Struts Users Mailing List" <us...@struts.apache.org>
> Date: Saturday, April 25, 2009, 12:00 AM
>
>
> On Friday 24 April 2009 19:47:04 Siddiq Syed wrote:
>> Hi all,
>>
>> Problem statement. :
>>
>> When validation happens in struts 2 it will redirect to result type
>> "Input" if type="tiles" JSP will display the validation message and If
>> result type="redirect-action" , validation message will not get display..
>> In
>> order to display validation messages , I am using interceptor where
>> validation messages are will be stored in session and the same will be
>> displayed in JSP.
>> Problem is validation messages are getting displayed but the values are
>> getting lost in the text boxs. The reason for this is because its the
>> brand
>> request object because of redirect-action.
>> Is there any way where i can forward to action , but still can able to
>> retrive the previous request. ?
>> I know we can use dispacther , but dispacther uses only ".jsp" .
>>
>
> I could be wrong, but i think redirectAction is the only result type that
> ends
> up with a new request... I don't really understand the use case where
> validation fails and you want to go to input for a different action... Can
> you
> post your struts.xml section pertinent to this problem.
>
> -Wes
>
> --
>
> Wes Wannemacher
> Author - Struts 2 In Practice
> Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
> http://www.manning.com/wannemacher
>
>
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