jsf - Error using Switch Case with PrimeFaces -


i'm trying use switch case show multiple components in xhtml, doesnt work. result shows components. i'm using primefaces 6.1 , eclipse mars

i'm trying use switch case show multiple components in xhtml, doesnt work. result shows components. i'm using primefaces 6.1 , eclipse mars

my beans

package vista;  import javax.faces.bean.managedbean; import javax.faces.bean.requestscoped; import javax.faces.bean.viewscoped;  public class prueba {      @managedbean       @viewscoped       public class switchcontroller {            private string value=null;            public string getvalue() {               return value;           }            public void setvalue(final string value) {               this.value = value;           }       }   }

my xhtml

<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en"      "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">  <html xmlns="http://www.w3.org/1999/xhtml"     xmlns:ui="http://java.sun.com/jsf/facelets"     xmlns:h="http://java.sun.com/jsf/html"     xmlns:f="http://java.sun.com/jsf/core"     xmlns:p="http://primefaces.org/ui"     xmlns:c="http://java.sun.com/jstl/core"     xmlns:pe="http://primefaces.org/ui/extensions"> <h:head>     <title>prueba</title> </h:head> <body>     <h:form id="mainform">         <p:growl id="growl" showdetail="true" />            <p:selectonemenu id="caseselection" value="#{switchcontroller.value}">               <f:selectitem itemlabel="default case" itemvalue="default" />               <f:selectitem itemlabel="case 1" itemvalue="case1" />               <f:selectitem itemlabel="null" itemvalue="#{null}" />               <f:selectitem itemlabel="case 2" itemvalue="case2" />                <p:ajax update="swichwrapper" process="@this" />           </p:selectonemenu>            <p:separator />            <p:outputpanel  id="swichwrapper">               <pe:switch  id="switch" value="#{switchcontroller.value}">                       <pe:defaultcase>                               case: default                       </pe:defaultcase>                        <pe:case value="case1">                               case: <p:commandbutton id="case1button" actionlistener="#{switchcontroller.listener('case1')}" update=":mainform:growl"                                               value="call listener 'case1'" />                       </pe:case>                        <pe:case value="case2">                               case: <p:commandbutton id="case2button" actionlistener="#{switchcontroller.listener('case2')}" update=":mainform:growl"                                               value="call listener 'case2'"  />                       </pe:case>                        <pe:case value="#{null}">                               case: null                       </pe:case>               </pe:switch>           </p:outputpanel>      </h:form> </body> </html>

result enter image description here

based on comment problem missing primefaces extensions library. here should add pom.xml

<dependency>     <groupid>org.primefaces.extensions</groupid>     <artifactid>primefaces-extensions</artifactid>     <version>6.1.0</version> </dependency>

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