Unable to set a variable with value of type number from SelectOneChoice

Hi,
I am getting javax.faces.el.EvaluationException: java.lang.IllegalArgumentException: argument type mismatch error in the below situation
I have a select list <af:selectOneChoice value="#{bindings.vwCompanyName.inputValue}">
<f:selectItems value="#{bindings.vwCompanyName.items}"/>
</af:selectOneChoice>
and on clicking Search button I pass this value in the actionlistener <af:setActionListener from="#{bindings.Company}"
to="#{AgrmtSrch.company}"/>
where AgrmtSrch is my java reference
In the pageDef file, I have <variableIterator id="variables">
<variable Name="Company" Type="java.lang.Integer"/>
</variableIterator>
<list id="vwCompanyName" IterBinding="variables"
StaticList="false" ListOperMode="0" ListIter="vwCompanyIterator"
NullValueFlag="1" NullValueId="vwCompanyName_null">
<AttrNames>
<Item Value="Company"/>
</AttrNames>
<ListAttrNames>
<Item Value="Compcd"/>
</ListAttrNames>
<ListDisplayAttrNames>
<Item Value="ShortName"/>
</ListDisplayAttrNames>
</list>
In my Java file I have taken company of type Number(jbo), since the actual company code in DB is in Number. When I select any value and click search, i get the above error.
I tried changing to <variable Name="Company" Type="java.lang.string"/> in the page def. But then when i select the unselected value in the list I get null pointer exception. How can i handle this.
PLease help.
Thanks

Hi I am serious. This issue is occuring. Please can someone try it out and see if its occuring for you too.
I have no solution for this. I am using JDeveloper 10.1.3 and my project is ADF BC JSF
Test case: Have 2 to 3 selectOneChoice in a search page. All three should be populated by view objects. Let Vo_1 and Vo_2 have the key values as 1 and vo_3 can have key value as string. Each selectOneChoice should have "Include labelled Item" in "No Selection Item' in edit binding.
First select a value on any one of the dropdowns such that the query returns no results. Now the The other dropdowns will still be default labelled item and the one that was selected is still set so. Now when I select an option in any other dropdown and search, it gives the below error
500 Internal Server Error
javax.faces.el.EvaluationException: java.lang.NullPointerException at com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:190) at com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:143) at oracle.adf.view.faces.bean.FacesBeanImpl.getProperty(FacesBeanImpl.java:55) at oracle.adf.view.faces.component.UIXComponentBase.getProperty(UIXComponentBase.java:1021) at oracle.adf.view.faces.component.UIXValue.getValue(UIXValue.java:56) at oracle.adf.view.faces.component.UIXEditableValue.validate(UIXEditableValue.java:212) 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 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 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 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.UIXForm.processValidators(UIXForm.java:59) 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:932) at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:362) at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:98) at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:213) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.1) ].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64) at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._invokeDoFilter(AdfFacesFilterImpl.java:228) at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._doFilterImpl(AdfFacesFilterImpl.java:197) at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl.doFilter(AdfFacesFilterImpl.java:123) at oracle.adf.view.faces.webapp.AdfFacesFilter.doFilter(AdfFacesFilter.java:103) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.1) ].server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15) at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:162) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.1) ].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:620) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.1) ].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:369) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.1) ].server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:865) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.1) ].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:447) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.1) ].server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:215) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.1) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:117) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.1) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:110) at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260) at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:239) at oracle.oc4j.network.ServerSocketAcceptHandler.access$700(ServerSocketAcceptHandler.java:34) at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:880) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.1) ].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303) at java.lang.Thread.run(Thread.java:595)Caused by: java.lang.NullPointerException at oracle.jbo.domain.TypeFactory.getInstance(TypeFactory.java:85) at oracle.jbo.uicli.binding.JUCtrlListBinding.matchTargetWithLov(JUCtrlListBinding.java:868) at oracle.jbo.uicli.binding.JUCtrlListBinding.findListIndex(JUCtrlListBinding.java:1106) at oracle.jbo.uicli.binding.JUCtrlListBinding.setValueAt(JUCtrlListBinding.java:1725) at oracle.jbo.uicli.binding.JUCtrlListBinding.updateValuesFromRow(JUCtrlListBinding.java:1338) at oracle.jbo.uicli.binding.JUCtrlListBinding.getSelectedIndex(JUCtrlListBinding.java:702) at oracle.jbo.uicli.binding.JUCtrlListBinding.getInputValue(JUCtrlListBinding.java:1799) at oracle.adfinternal.view.faces.model.binding.FacesCtrlListBinding.getInputValue(FacesCtrlListBinding.java:73) at oracle.jbo.uicli.binding.JUCtrlValueBinding.internalGet(JUCtrlValueBinding.java:1691) at oracle.jbo.uicli.binding.JUCtrlListBinding.internalGet(JUCtrlListBinding.java:1972) at oracle.adfinternal.view.faces.model.binding.FacesCtrlListBinding.internalGet(FacesCtrlListBinding.java:89) at oracle.adf.model.binding.DCControlBinding.get(DCControlBinding.java:649) at com.sun.faces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:79) at oracle.adfinternal.view.faces.model.FacesPropertyResolver.getValue(FacesPropertyResolver.java:92) at com.sun.faces.el.impl.ArraySuffix.evaluate(ArraySuffix.java:187) at com.sun.faces.el.impl.ComplexValue.evaluate(ComplexValue.java:171) at com.sun.faces.el.impl.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:263) at com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:160)

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