Error while deploy Primefaces-Extensions example, why?

https://stackoverflow.com/questions/16572608

29-05-2022
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سؤال

Error while deploy: Exception while loading the app : java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: java.lang.RuntimeException: com.sun.faces.config.ConfigurationException: java.lang.ClassNotFoundException: org.apache.commons.lang3.StringEscapeUtils The module has not been deployed.

This is my code:

<html xmlns="http://www.w3.org/1999/xhtml"
  xmlns:f="http://java.sun.com/jsf/core"
  xmlns:h="http://java.sun.com/jsf/html"
  xmlns:ui="http://java.sun.com/jsf/facelets"
  xmlns:pe="http://primefaces.org/ui/extensions">
<f:view contentType="text/html" locale="en">
<pe:head title="PrimeFaces Extensions - ShowCase">
    <f:facet name="first">
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
        <meta http-equiv="pragma" content="no-cache"/>
        <meta http-equiv="cache-control" content="no-cache"/>
        <meta http-equiv="expires" content="0"/>
    </f:facet>
</pe:head>
<h:body>
    <pe:layout>
        <pe:layoutPane position="north">
            <ui:insert name="header"/>
        </pe:layoutPane>
        <h:form>
            <ui:insert name="center"/>
            <pe:layoutPane position="south">
                <ui:insert name="footer"/>
            </pe:layoutPane>
        </h:form>
    </pe:layout>
</h:body>

المحلول

As told in the getting started for primefaces extensions project on https://github.com/primefaces-extensions/primefaces-extensions.github.com/wiki/Getting-Started you need to add "Apache Commons Lang3" to your project.

Add Apache Commons Lang3 to your project if it's not in classpath.

You may download the library from http://commons.apache.org/proper/commons-lang/

نصائح أخرى

According to the information written on the Primefaces Extensions Getting Started

PF Extensions Dependencies :

Add current PrimeFaces JAR file to your project from this download section.
Add the last PrimeFaces Extensions JAR file to your project from the Maven Central repository.
Add Apache Commons Lang3 to your project if it's not in classpath.
Add Gson JAR file to your project from the Gson homepage (optional).
Add the last JAR file for CKEditor if you need from the Maven Central repository (optional).
Add the last JAR file for CodeMirror if you need from the Maven Central repository (optional).
Add Exporter dependencies Apache POI and iText if you use the Exporter component.

Good luck.

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