zhulifeng的专栏

需求:页面每分钟获取最新告警。问题:最开始前端使用定时器每一分钟去服务端取告警，走的是http协议，这样做导致session永远不会超时。解决:使用websocket协议来推送告警。pom中增加：<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-websocket</artifactId>

import javax.persistence.Column;import javax.persistence.GeneratedValue;import javax.persistence.GenerationType;import javax.persistence.Id;import javax.persistence.Table;import javax.persis

package com.sanss.monitor.server.task;import java.util.ArrayList;import javax.annotation.Resource;import org.springframework.context.ApplicationListener;import org.springframework.context.event

package com.sanss.monitor.server.task;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;import java.io.InputStream;import java.u

项目环境：spring 3.2.3 / hadoop 2.5 / spring-data-hadoop 1.0.2  ,tomcat7 pom中加入        org.springframework.data        spring-data-hadoop        1.0.2.RELEASE 启动完成后总会抛一个异常：java.lang.A