Error in Implementing primefaces extentions -

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i new primefaces , trying implement primefaces extensions. per guide have added following jars buildpath: 1) commons-lang3-3.1.jar 2) gson-2.3.1.jar 3) primefaces-5.0.jar 4) primefaces-5.0-sources.jar 5) primefaces-extensions-3.2.0.jar

and have created xhtml , managed bean suggested here: http://www.primefaces.org/showcase-ext/sections/timeline/basic.jsf

following error log same:

jun 25, 2015 4:07:05 pm com.sun.faces.context.exceptionhandlerimpl log 1100: org.primefaces.util.componentutils.resolvewidgetvar(ljavax/faces/context/facescontext;lorg/primefaces/component/api/widget;)ljava/lang/string; java.lang.nosuchmethoderror: org.primefaces.util.componentutils.resolvewidgetvar(ljavax/faces/context/facescontext;lorg/primefaces/component/api/widget;)ljava/lang/string;     @ org.primefaces.extensions.component.timeline.timeline.resolvewidgetvar(timeline.java:713)     @ org.primefaces.extensions.component.timeline.timelinetaghandler.oncomponentpopulated(timelinetaghandler.java:58)     @ com.sun.faces.facelets.tag.jsf.componenttaghandlerdelegateimpl.apply(componenttaghandlerdelegateimpl.java:218)     @ javax.faces.view.facelets.delegatingmetataghandler.apply(delegatingmetataghandler.java:120)     @ javax.faces.view.facelets.compositefacelethandler.apply(compositefacelethandler.java:95)     @ javax.faces.view.facelets.delegatingmetataghandler.applynexthandler(delegatingmetataghandler.java:137)     @ com.sun.faces.facelets.tag.jsf.componenttaghandlerdelegateimpl.apply(componenttaghandlerdelegateimpl.java:203)     @ javax.faces.view.facelets.delegatingmetataghandler.apply(delegatingmetataghandler.java:120)     @ javax.faces.view.facelets.compositefacelethandler.apply(compositefacelethandler.java:95)     @ com.sun.faces.facelets.compiler.namespacehandler.apply(namespacehandler.java:93)     @ com.sun.faces.facelets.compiler.encodinghandler.apply(encodinghandler.java:87)     @ com.sun.faces.facelets.impl.defaultfacelet.apply(defaultfacelet.java:161)     @ com.sun.faces.application.view.faceletviewhandlingstrategy.buildview(faceletviewhandlingstrategy.java:990)     @ com.sun.faces.lifecycle.renderresponsephase.execute(renderresponsephase.java:99)     @ com.sun.faces.lifecycle.phase.dophase(phase.java:101)     @ com.sun.faces.lifecycle.lifecycleimpl.render(lifecycleimpl.java:219)     @ javax.faces.webapp.facesservlet.service(facesservlet.java:647)     @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:305)     @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:210)     @ com.tcs.its.permission.filter.loginfilter.dofilter(loginfilter.java:58)     @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:243)     @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:210)     @ org.apache.catalina.core.standardwrappervalve.invoke(standardwrappervalve.java:222)     @ org.apache.catalina.core.standardcontextvalve.invoke(standardcontextvalve.java:123)     @ org.apache.catalina.authenticator.authenticatorbase.invoke(authenticatorbase.java:472)     @ org.apache.catalina.core.standardhostvalve.invoke(standardhostvalve.java:171)     @ org.apache.catalina.valves.errorreportvalve.invoke(errorreportvalve.java:99)     @ org.apache.catalina.valves.accesslogvalve.invoke(accesslogvalve.java:936)     @ org.apache.catalina.core.standardenginevalve.invoke(standardenginevalve.java:118)     @ org.apache.catalina.connector.coyoteadapter.service(coyoteadapter.java:407)     @ org.apache.coyote.http11.abstracthttp11processor.process(abstracthttp11processor.java:1004)     @ org.apache.coyote.abstractprotocol$abstractconnectionhandler.process(abstractprotocol.java:589)     @ org.apache.tomcat.util.net.jioendpoint$socketprocessor.run(jioendpoint.java:312)     @ java.util.concurrent.threadpoolexecutor.runworker(unknown source)     @ java.util.concurrent.threadpoolexecutor$worker.run(unknown source)     @ java.lang.thread.run(unknown source)

please help

this caused using wrong combination of pf , pfe... pf5, can use pfe 2.0/2.1.searching in google error in stacktrace have told so

see also


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