SelectInputDate component in a search form - JDev 10.1.3.0.4

Cheers to all of you buddies in this valley of tears, have a good day
I have a table that contains a date column, and a search form to do "query by example" and its date field is a "selectInputDate" with its date chooser.
The date column in the table is formatted as yyyy-MM-dd (assigned in the underlying BO).
I assigned a "convertDateTime" with a pattern yyyy-MM-dd to the selectInputDate component.
At this point, the page works correctly. I select a date and get the appropiate results.
The problem rised when adding a validator to the "selectInputDate" component.
I added a "validateDatatimeRange" validator and binded the Maximum and Minimum values to two java.util.Date fields (minDate and maxDate) defined in a session managed bean named depSessionBean. The binding was done using EL as #{depSessionBean.minDate} and #{depSessionBean.maxDate}. The effect is that the date chooser only enables dates within the range (good).
The problem arises when I click on the "Execute" action button. All I get is a lovely error complaining about date conversions.
The attached converter returns a String that is correctly used to query the data but the validator expects a java.util.Date (it does not accept String values).
So, am I missing something? How can I get the converter and validator to work together?
Thanks a heap for any help.
A.Gurisatti
This is the error I get when executing the query (2006-08-14 is the chosen date):
500 Internal Server Error
oracle.adfinternal.view.faces.convert.ConvertException: Could not convert instance:2006-08-14 of type:class java.lang.String into type:class java.util.Date
     at oracle.adfinternal.view.faces.convert.GenericConverterFactory.convert(GenericConverterFactory.java:189)
     at oracle.adfinternal.view.faces.validator.DateTimeRangeValidator.validate(DateTimeRangeValidator.java:27)
     at oracle.adf.view.faces.component.UIXEditableValue.validateValue(UIXEditableValue.java:378)
     at oracle.adf.view.faces.component.UIXEditableValue.validate(UIXEditableValue.java:206)
     at oracle.adf.view.faces.component.UIXEditableValue._executeValidate(UIXEditableValue.java:522)
     at oracle.adf.view.faces.component.UIXEditableValue.processValidators(UIXEditableValue.java:302)
     at oracle.adf.view.faces.component.UIXComponentBase.validateChildrenImpl(UIXComponentBase.java:855)
     at oracle.adf.view.faces.component.UIXComponentBase.validateChildren(UIXComponentBase.java:839)
     at oracle.adf.view.faces.component.UIXComponentBase.processValidators(UIXComponentBase.java:689)
     at oracle.adf.view.faces.component.UIXComponentBase.validateChildrenImpl(UIXComponentBase.java:855)
     at oracle.adf.view.faces.component.UIXComponentBase.validateChildren(UIXComponentBase.java:839)
     at oracle.adf.view.faces.component.UIXComponentBase.processValidators(UIXComponentBase.java:689)
     at javax.faces.component.UIForm.processValidators(UIForm.java:170)
     at oracle.adf.view.faces.component.UIXComponentBase.validateChildrenImpl(UIXComponentBase.java:855)
     at oracle.adf.view.faces.component.UIXComponentBase.validateChildren(UIXComponentBase.java:839)
     at oracle.adf.view.faces.component.UIXComponentBase.processValidators(UIXComponentBase.java:689)
     at oracle.adf.view.faces.component.UIXComponentBase.validateChildrenImpl(UIXComponentBase.java:855)
     at oracle.adf.view.faces.component.UIXComponentBase.validateChildren(UIXComponentBase.java:839)
     at oracle.adf.view.faces.component.UIXComponentBase.processValidators(UIXComponentBase.java:689)
     at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:912)
     at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:342)
     at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:78)
     at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
     at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:90)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
     at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._invokeDoFilter(AdfFacesFilterImpl.java:367)
     at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._doFilterImpl(AdfFacesFilterImpl.java:336)
     at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl.doFilter(AdfFacesFilterImpl.java:196)
     at oracle.adf.view.faces.webapp.AdfFacesFilter.doFilter(AdfFacesFilter.java:87)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:332)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:627)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:376)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:870)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:451)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:218)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:119)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)
     at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
     at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:230)
     at oracle.oc4j.network.ServerSocketAcceptHandler.access$800(ServerSocketAcceptHandler.java:33)
     at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:831)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
     at java.lang.Thread.run(Thread.java:595)

Frank,
Thanks for your reply and yes I'm using BC (I allways forget that important piece of information).
Unfortunatelly I still have a few doubts:
- I suppose that assigning a pattern to a date column in a BO is for display purposes and in some cases to have the right conversions in where clauses. In this case, choosing yyyy-MM-dd (that is the default) is a coincidence and in this case, you are right it is superfluous. But suppose we use dd/MM/yyyy. In this case, the date will be rendered with this new pattern. Even more, I suppose that in a query by example, when building the where clause, JDev expects the given date to be a string with that same pattern (dd/MM/yyyy). So, we have the first conclusion: The selected date must be a String with the given pattern. That is why I assigned a converter to the selectInputDate component.
I did some tests and concluded: The patterns in the BO and in the converter assigned to the selectInputDate component must match or the query won't work.
The second step is to narrow the date range. The way I found to do it is by assigning a datetime validator to the selectInputDate component. This validator expects java.util.Date values for its min and max dates, and the date chooser works well (by enabling only dates between the given range).
The problem rises when you submit the form. At validation time you have: a date expressed as a formatted String (needed for the query) and a validator expecting a java.util.Date to perform the validation. So, you get a casting error.
All this is what I understood and concluded about the situation and, of course I could be completelly wrong.
If my steps for configuring the search parameters are correct, there must be a way to do the String - Date casting and avoid the error.
If my approach is wrong then there must be a correct approach for this kind of situation.
Thanks a lot for your help,
A. Gurisatti

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