相关疑难解决方法(0)

下面的代码工作正常PrimeFaces 6.0和6.1,但6.2当我点击按钮,验证我看到消息的对话框:

/ UI Layout Initialization Error  
The center-pane element does not exist.  
The center-pane is a required element.

我使用:JSF 2.2,PrimeFaces 6.2,Tomcat 8.5.23

代码有什么问题或问题是PrimeFaces 6.2什么？

Company.java

import java.io.Serializable;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.ViewScoped;

import com.company.helper.MessagesHelper;

@ManagedBean(name = "company")
@ViewScoped
public class Company implements Serializable {

    private static final long serialVersionUID = -8386148997526982963L;

    private String regNumber;

    public void validateRegNumber() {
        if(regNumber == null || regNumber.equals("")) {
            MessagesHelper.addMessageError("Invalid …