Question

是否有人在类似我的环境中使用a4j：push标签功能？

Richfaces 4.1-FINAL
MyFaces 2.1.5
气氛0.83
Tomcat 7.0.23

非常欢迎任何建议。

谢谢， Milo van der Zee

这就是我测试的内容：

web.xml（编辑：已修复）：

...
<!-- Richfaces push servlet -->
<context-param>
    <param-name>org.richfaces.push.jms.disable</param-name>
    <param-value>true</param-value>
</context-param>
<context-param>
    <param-name>org.atmosphere.useBlocking</param-name>
    <param-value>true</param-value>
</context-param>
<filter>
    <filter-name>PushFilter</filter-name>
    <filter-class>org.richfaces.webapp.PushFilter</filter-class>
    <async-supported>true</async-supported>
</filter>
<filter-mapping>
    <filter-name>PushFilter</filter-name>
    <servlet-name>Faces Servlet</servlet-name>
</filter-mapping>
<context-param>
    <param-name>org.richfaces.push.handlerMapping</param-name>
    <param-value>/__richfaces_push</param-value>
</context-param>
<servlet>
    <servlet-name>Push Servlet</servlet-name>
    <servlet-class>org.richfaces.webapp.PushServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>Push Servlet</servlet-name>
    <url-pattern>/__richfaces_push</url-pattern>
</servlet-mapping>
...

TestPushBean.java：

package com.vetmanager.base.test;

import java.text.SimpleDateFormat;
import java.util.Calendar;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;

import org.apache.log4j.Logger;
import org.richfaces.application.push.MessageException;
import org.richfaces.application.push.TopicKey;
import org.richfaces.application.push.TopicsContext;

/**
 *
 */
@ManagedBean
@SessionScoped
public class TestPushBean {
    private static final Logger LOGGER = Logger.getLogger(TestPushBean.class.getName());

    private static final TopicKey TOPIC_KEY = new TopicKey("push");

    /**
     * Constructor init's the topic.
     */
    public TestPushBean() {
        LOGGER.debug("TestPushBean");

        TopicsContext topicsContext = TopicsContext.lookup();
        topicsContext.getOrCreateTopic(TOPIC_KEY);
    }

    /**
     * @return String
     */
    public String getNow() {
        LOGGER.debug("getNow");

        Calendar now = Calendar.getInstance();
        SimpleDateFormat dateFormatter = new SimpleDateFormat("dd-MMM-yyyy/HH:mm:ss");
        return dateFormatter.format(now.getTime());
    }

    /**
     * 
     */
    public void push() {
        LOGGER.debug("push");

        TopicsContext topicsContext = TopicsContext.lookup();
        try {
            topicsContext.publish(TOPIC_KEY, "Test String");
        } catch (MessageException e) {
            LOGGER.error("push: " + e, e);
        }
    }
}

和： test.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:h="http://java.sun.com/jsf/html"
  xmlns:f="http://java.sun.com/jsf/core"
  xmlns:a4j="http://richfaces.org/a4j"
  xmlns:ui="http://java.sun.com/jsf/facelets"
  xmlns:rich="http://richfaces.org/rich"
  xmlns:fn="http://java.sun.com/jsp/jstl/functions"
  xmlns:c="http://java.sun.com/jsp/jstl/core"
>

<h:head>
</h:head>

<h:body>
    <h:form>
        <a4j:push id="push" address="push" onerror="alert(event.rf.data)">
            <a4j:ajax event="dataavailable" render="now" execute="@none"/>
        </a4j:push>

        Tijd: <h:outputText id="now" value="#{testPushBean.now}"/><br/>

        <a4j:commandButton value="event" actionListener="#{testPushBean.push()}"/>
    </h:form>
</h:body>

</html>

Answer 1

此论坛帖子可能对使用Servlets API 2.5的人有用（当您使用版本= 2.5的web.xml时也会出现问题）：

https://community.jboss.org/message/647015#647015

您的具体问题可能是：

使用大气0.8.0-RC1和RichFaces 4.1.0.Final，因为Atmosphere 0.8.3与RC1具有不兼容的API！

否则我需要提供一些症状。

Richfaces 4.1和a4j：推送：如何让它工作？

1 个答案: