java - 将不可序列化的属性值设置到 HttpSession 中

Question

部署项目时有时会出现错误，但并非每次都会出现错误。 Localbean 不工作时报错

错误信息

Warning:   JSF1063: WARNING! Setting non-serializable attribute value into HttpSession (key: localBean, value class: LocalBean).

本地bean

package com.mycompany.crm;

import java.io.Serializable;
import java.util.Locale;
import javax.annotation.PostConstruct;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;

@ManagedBean
@SessionScoped

public class LocalBean implements Serializable{
    public Locale locale;

    @PostConstruct
    public void init() {
        locale = FacesContext.getCurrentInstance().getViewRoot().getLocale();
    }

    public Locale getLocale() {
        return locale;
    }

    public String getLanguage() {
        return locale.getLanguage();
    }

    public void setLanguage(String language) {
        locale = new Locale(language);
        FacesContext.getCurrentInstance().getViewRoot().setLocale(locale);
    }
}

Answer 1

尝试在您的类中放置一个serialVersionUID字段，例如:

private static final long serialVersionUID = -1;