[jboss-jira] [JBoss JIRA] (AS7-2825) #{foo[bar](baz)} fails with javax.el.MethodNotFoundException: ... action="#{p1[p2](p3)}": Method not found

[Karsten Wutzke (Created) (JIRA)]

#{foo[bar](baz)} fails with javax.el.MethodNotFoundException: ... action="#{p1[p2](p3)}": Method not found
----------------------------------------------------------------------------------------------------------

                 Key: AS7-2825
                 URL: https://issues.jboss.org/browse/AS7-2825
             Project: Application Server 7
          Issue Type: Bug
    Affects Versions: 7.1.0.Beta1, 7.0.1.Final
         Environment: Win 7 x64
            Reporter: Karsten Wutzke


This is from the original question on stackoverflow.com:
http://stackoverflow.com/questions/8004233/jsf-2-how-to-pass-an-action-including-an-argument-to-be-invoked-to-a-facelets-s

As an example, this view:

{code}
<ui:param name="p1" value="#{myBean}" />
<ui:param name="p2" value="submit" />
<ui:param name="p3" value="#{myBean.toString()}" />

<h:form>
    <h:commandButton value="submit" action="#{p1[p2](p3)}" /> 
</h:form>
{code}

with this bean:

{code}
@ManagedBean
@RequestScoped
public class MyBean {

    public void submit(String arg) {
        System.out.println("submit with " + arg);
    }

}
{code}

works fine on Tomcat 7.0.22, but on JBoss AS 7 it fails while loading the page:

{code}javax.faces.el.MethodNotFoundException: javax.el.MethodNotFoundException: /list.xhtml @164,66 action="#{p1[p2](p3)}": Method not found: com.company.project.beans.MyBean at 67f400fb.submit()
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:92)
	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
	at javax.faces.component.UICommand.broadcast(UICommand.java:315)
	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:787)
	at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1252)
	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
	at org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:67)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:139)
	at org.jboss.as.web.NamingValve.invoke(NamingValve.java:57)
	at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:49)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:154)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:667)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:952)
	at java.lang.Thread.run(Unknown Source)
Caused by: javax.el.MethodNotFoundException: /list.xhtml @164,66 action="#{p1[p2](p3)}": Method not found: com.company.project.beans.MyBean at 67f400fb.submit()
	at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:109)
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
	... 26 more
{code}

Chapter 1.19 of EL spec says:

{code}ValueSuffix      ::= '.' Identifier MethodParameters?
                    | '[' Expression ']' MethodParameters?
MethodParameters ::= '(' (Expression (',' Expression )* )? ')'{code}

So, I think that Apache EL is right. Please fix ASAP. This is often used/useful in lists where you have a DELETE button per list row.

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