Composite component with Error in JSF

Question

Well, I have the composite component bellow:

<composite:interface>
<composite:attribute name="acaoDestino" required="true"
        shortDescription="Método que será executado quando o usuário clicar no botão 'Sim'." />
</composite:interface>
<composite:implementation>
<h:commandButton actionListener="#{cc.attrs.acaoDestino}"
                        class="btn btn-primary" value="Sim">
                        <f:ajax render="@all" execute="@all" />
                    </h:commandButton>
</composite:implementation>

When i click in this commandButton an actionListener (acaoDestino) is called twice. In the first call the method runs normal, but in second call i got error:

Jan 31, 2015 7:00:32 PM com.sun.faces.context.AjaxExceptionHandlerImpl handlePartialResponseError
Grave: javax.faces.FacesException: Unable to resolve composite component from using page using EL expression '#{cc.attrs.acaoDestino}'
    at com.sun.faces.facelets.tag.TagAttributeImpl$AttributeLookupMethodExpression.invoke(Unknown Source)
    at javax.faces.event.MethodExpressionActionListener.processAction(Unknown Source)
    at javax.faces.event.ActionEvent.processListener(Unknown Source)
    at javax.faces.component.UIComponentBase.broadcast(Unknown Source)
    at javax.faces.component.UICommand.broadcast(Unknown Source)
    at javax.faces.component.UIViewRoot.broadcastEvents(Unknown Source)
    at javax.faces.component.UIViewRoot.processApplication(Unknown Source)
    at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(Unknown Source)
    at com.sun.faces.lifecycle.Phase.doPhase(Unknown Source)
    at com.sun.faces.lifecycle.LifecycleImpl.execute(Unknown Source)
    at javax.faces.webapp.FacesServlet.service(Unknown Source)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:72)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at br.com.jwebbuild.filter.LoginFilter.doFilter(LoginFilter.java:73)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:113)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:395)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:250)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)

Important: I don't expect this actionListener called twice. Another important note is that i'm binding a datatable, i don't know if this can cause this problem.

Edit 1

My acaoDestino is a method in ManagedBean, see:

public void removeSelected() {
...
}

Using directly in commandButton would be like this:

<h:commandButton actionListener="#{myManagedBean.removeSelected()}"
                        class="btn btn-primary" value="Sim">
                        <f:ajax render="@all" execute="@all" />
                    </h:commandButton>

Edit 2 (I'm using JSF 2.2.9)

I edited my attribute acaoDestino putting method-signature

<composite:attribute name="acaoDestino" required="true" method-signature="void actionListener()"
        shortDescription="Método que será executado quando o usuário clicar no botão 'Sim'." />

Now i got the following error:

Advertência: java.lang.IllegalArgumentException: wrong number of arguments
javax.el.ELException: java.lang.IllegalArgumentException: wrong number of arguments

I'm using composite component inside another composite component, look:

<jw:confirmButton
            acaoDestino="#{cc.attrs.managedBeanName.removeSelected()}"
            value="Remover Selecionados" />

Answer 1

First, you must specify a method signature so that JSF knows its a method expression and not a value expression, your composite component should look like this:

<composite:interface>
        <composite:attribute name="acaoDestino" required="true" method-signature="void actionListener()"
                shortDescription="Método que será executado quando o usuário clicar no botão 'Sim'." />
</composite:interface>
<composite:implementation>
        <h:commandButton actionListener="#{cc.attrs.acaoDestino}" class="btn btn-primary" value="Sim">
               <f:ajax render="@all" execute="@all" />
        </h:commandButton>
</composite:implementation>

Second, If you are not using EL 2.2 you should use this signature (see JSF - actionListener tag calls method which doesn't take an ActionEvent parameter):

public void removeSelected(ActionEvent e) {
...
}

in that case your method signature attribute become:

method-signature="void actionListener(ActionEvent e)

NB: Command components submit requests when they are activated, so there is no need to use the <f:ajax render="@all" execute="@all" /> while you are refreshing the entire page.

Answer 2

Try to use :

<h:commandButton listener="#{myManagedBean.removeSelected()}"
                    class="btn btn-primary" value="Sim">
                    <f:ajax render="@all" execute="@all" />
                </h:commandButton>

or :

<h:commandButton action="#{myManagedBean.removeSelected()}"
                    class="btn btn-primary" value="Sim">
                    <f:ajax render="@all" execute="@all" />
                </h:commandButton>

Answer 3

Can you tell me about acaoDestino is what exactly ? a method var in your backing bean? because if it's a method or var you have to use in your buttonCommand action="" or listener=""