Hi there,

I am trying to get validation going for my application and so far
nothing works. I would like to use annotations. Here is what I try to
do:

package ...
import ...

@Results({
  @Result(name = "success", value = "/jsp/hitlist.jsp"),
  // value = "hitlist.action", type =
ServletActionRedirectResult.class),
  @Result(name = "error", value = "/jsp/index.jsp")
})
@ParentPackage("default")
@Validation()
public class SearchAction extends ActionSupport
{
  private SearchParam searchParam;

  @Validations(
       expressions = {@(protected) =
"searchParam.keywords ne null and searchParam.location ne null" message
= "Wrong search parameters")
  }
  )
 public String search()
 {
   // do search
   return SUCCESS;
 }

 public SearchParam getSearchParam()
 {
   return searchParam;
 }

 public void setSearchParam(SearchParam searchParam)
 {
   this.searchParam = searchParam;
 }  
}

SearchParam is class containing two properties keywords and location
(with matching getter and setters). When I run the application without
any annotation it works fine. What I mean is that the keywords and
locations field get properly passed into action. The problem starts with
validation.

Currently I get the following error:
>>>
No result defined for action SearchAction and result input No result
defined for action SearchAction and result input at
com.opensymphony.xwork2.DefaultActionInvocation.executeResult (DefaultActionInvocation.java:345) at com.opensymphony.xwork2.DefaultActionInvocation.invoke (DefaultActionInvocation.java:248) at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept (ValidationInterceptor.java:150) at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept (AnnotationValidationInterceptor.java:48) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept (MethodFilterInterceptor.java:86) at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219) at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218) at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile (UtilTimerStack.java:455) at....
>>>

Can anyone see what I am doing wrong? Is it actually possible to have
validation on 'complex' datatypes as I am trying to do with SearchParam?
Or do I need keywords and locations as simple String properties in the
Action directly?

I also tried to apply the ExpressionValidator annotation directly on
setSearchParam method, but then I got the following error message:

>>>
caught OgnlException while setting property 'methodName' on type '
com.opensymphony.xwork2.validator.validators.ExpressionValidator'.
ognl.NoSuchPropertyException:
com.opensymphony.xwork2.validator.validators.ExpressionValidator.methodName
>>>

Any help is greatly appreciated.

--Hardy

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