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https://issues.apache.org/jira/browse/MYFACES-1760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12540819
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David Brainard commented on MYFACES-1760:
-----------------------------------------
Sorry i missed a part:
the conversion logic according to the specs(docs in ri) and impl support only
array or arraylist.
so the getSelectedValues() should support only those two " array and arraylist
"(There wont be anything else coz they they are converted properly and set ;) .
so any error will be thrown at that point itself so no need to wry)
so an else part should be added to the logic which will throw an error since we
support only array or an arraylist .
> 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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