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From "Kawczynski, David" <david_kawczyn...@merck.com>
Subject RE: [s2] Problem getting basic server side field validation to work
Date Tue, 21 Oct 2008 15:14:10 GMT
You need to define a <result> of type input for your action. 

-----Original Message-----
From: 928572663 [mailto:928572663@cox.net] 
Sent: Tuesday, October 21, 2008 11:02 AM
To: Struts Users Mailing List
Subject: [s2] Problem getting basic server side field validation to work

I'm trying to do a very basic test app that demonstrates the server side

field validation and am getting an exception during initial JSP page 
rendering.  The page and action work fine without the validation.

Any ideas what I may be missing?

I've read the confluence pages on validation, and have been keeping up 
with the many posts on the mailing list, but they all seem to be various

advanced scenarios.

Here is some info to help:

* Using struts 2.1.2 basic (no plugins to speak of)
* Using Zero Configuration (annotations) with no struts.xml
* form bean is stored in session
* action function works great w/o validation
* when adding the SampleAction-validation.xml the exception happens 
during initial page rendering

Here is the stack and last few logs:


DEBUG [] [2008/10/21 09:01:12] 
[com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor] 
Invoking validate() on action sample.SampleAction@17cad35
DEBUG [] [2008/10/21 09:01:12] 
[com.opensymphony.xwork2.interceptor.PrefixMethodInvocationUtil] cannot 
find method [validateDisplayForm] in action
[sample.SampleAction@17cad35]
DEBUG [] [2008/10/21 09:01:12] 
[com.opensymphony.xwork2.interceptor.PrefixMethodInvocationUtil] cannot 
find method [validateDoDisplayForm] in action
[sample.SampleAction@17cad35]
DEBUG [] [2008/10/21 09:01:12] 
[com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor] Errors 
on action sample.SampleAction@17cad35, returning result name 'input'
ERROR [] [2008/10/21 09:01:12] 
[org.apache.struts2.dispatcher.Dispatcher] Could not find action or 
result No result defined for action sample.SampleAction and result input
         at 
com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultAct
ionInvocation.java:357)
         at 
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:259)
         at 
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(Vali
dationInterceptor.java:248)
         at 
org.apache.struts2.interceptor.validation.AnnotationValidationIntercepto
r.doIntercept(AnnotationValidationInterceptor.java:49)
         at 
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Me
thodFilterInterceptor.java:86)



/SampleAction-validation.xml

<!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator 
1.0.2//EN"
"http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">
<validators>
    <field name="formBean.lastName">
       <field-validator type="requiredstring">
          <message>You must enter a Last Name</message>
       </field-validator>
    </field>
    <field name="formBean.maxValue">
       <field-validator type="int">
          <param name="min">13</param>
          <param name="max">19</param>
          <message>The max value must be between 13 and 19</message>
       </field-validator>
    </field>
</validators>


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