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From "Guy Bashan (JIRA)" <...@myfaces.apache.org>
Subject [jira] Created: (MYFACES-1760) Using "getSelectedValues" of "UISelectMany" seems to be causing "ClassCastException"
Date Tue, 06 Nov 2007 10:29:50 GMT
Using "getSelectedValues" of "UISelectMany" seems to be causing "ClassCastException"
------------------------------------------------------------------------------------

                 Key: MYFACES-1760
                 URL: https://issues.apache.org/jira/browse/MYFACES-1760
             Project: MyFaces Core
          Issue Type: Bug
    Affects Versions: 1.1.5
            Reporter: Guy Bashan


It seems like calling getSelectedValues method of selectBooleanCheckbox causes exception.
This is an example for a fregment of code:
---------------------------------------------------------
                            <t:selectManyCheckbox value="#{test_scope.targetPagePhysicals}"
layout="pageDirection" converter="PagePhysicalConverter" binding="#{test_scope.htmlSelect}">
                              <f:selectItems value="#{test_scope.pagePhysicals}" />
                            </t:selectManyCheckbox>
                            <t:commandButton value="submitTargetPages" style="width:100px"
immediate="true" onclick="submit()" forceId="true" actionListener="#{test_scope.targetPagesSelectedAction}"
/>

In the bean:
----------------
  public void targetPagesSelectedAction(ActionEvent event)
  {
    Object[] xx = htmlSelect.getSelectedValues();
    FacesContext.getCurrentInstance().renderResponse();
  }

Causes the following exception:
-------------------------------------------
javax.servlet.ServletException: Exception while invoking expression #{test_scope.targetPagesSelectedAction}
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:154)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.ajaxanywhere.AAFilter.doFilter(AAFilter.java:46)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.shale.faces.ShaleApplicationFilter.doFilter(ShaleApplicationFilter.java:285)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.amadesa.admin.model.persistence.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:149)
	at com.amadesa.admin.model.persistence.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:56)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
	at java.lang.Thread.run(Thread.java:619)
Caused by: javax.faces.el.EvaluationException: Exception while invoking expression #{test_scope.targetPagesSelectedAction}
	at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:156)
	at javax.faces.component.UICommand.broadcast(UICommand.java:89)
	at javax.faces.component.UIViewRoot._broadcastForPhase(UIViewRoot.java:97)
	at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:139)
	at org.apache.myfaces.lifecycle.ApplyRequestValuesExecutor.execute(ApplyRequestValuesExecutor.java:32)
	at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:95)
	at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:70)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:139)
	... 25 more
Caused by: java.lang.ClassCastException: java.util.ArrayList cannot be cast to [Ljava.lang.Object;
	at javax.faces.component.UISelectMany.getSelectedValues(UISelectMany.java:48)
	at com.amadesa.admin.view.bean.test.TestScopeBean.targetPagesSelectedAction(TestScopeBean.java:166)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:132)
	... 32 more

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