如何使用dubbo在Linux服务器上搭建一个本地项目工程？

其他 2018-09-05 18:51:58 阅读次数: 0
版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/qq_36520235/article/details/81584962

一、前提准备：

  1. 安装好VMware虚拟机，然后把apache-tomcat-7.0.52 和zookeeper-3.4.6 的版本压缩包解压 启动好，详情见我的上一篇文章如何把Tomcat和Zookpper上传的Linux的服务器上
  2. 完成第一步之后，需要启动好Tomcat，让它作为服务器启动，然后就是搭建本地项目
  3. 可以先进入到apache-tomcat-7.0.52的bin目录下
  4. 这里写图片描述
  5. 然后使用命令看看是不是成功启动Tomcat了
  6. 这里写图片描述

二、先搭建本地的提供者（这里就是我需要用到的service层） ##这里写图片描述

pom文件

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.pinyougou</groupId>
    <artifactId>pinyougou.parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>pinyougou-sellergoods-service</artifactId>
  <packaging>war</packaging>

  <dependencies>

        <!-- Spring -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>     
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-beans</artifactId>       
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>      
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>        
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aspects</artifactId>     
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jms</artifactId>     
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context-support</artifactId>     
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-test</artifactId>        
    </dependency>
    <!-- dubbo相关 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
        </dependency> 
    <dependency>
        <groupId>org.apache.zookeeper</groupId>
        <artifactId>zookeeper</artifactId>  
    </dependency>
    <dependency>
        <groupId>com.github.sgroschupf</groupId>
        <artifactId>zkclient</artifactId>       
    </dependency>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>      
    </dependency>
    <dependency>
        <groupId>com.alibaba</groupId>
        <artifactId>fastjson</artifactId>       
    </dependency>
    <dependency>
        <groupId>javassist</groupId>
        <artifactId>javassist</artifactId>      
    </dependency>
    <dependency>
        <groupId>commons-codec</groupId>
        <artifactId>commons-codec</artifactId>     
    </dependency>
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>servlet-api</artifactId>        
        <scope>provided</scope>
    </dependency>

    <dependency>
        <groupId>com.pinyougou</groupId>
        <artifactId>pinyougou-sellergoods-interface</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </dependency>
    <dependency>
        <groupId>com.pinyougou</groupId>
        <artifactId>pinyougou-dao</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </dependency>
  </dependencies>

  <build>  
      <plugins>      
          <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
                <configuration>
                    <!-- 指定端口 -->
                    <port>9001</port>
                    <!-- 请求路径 -->
                    <path>/</path>
                </configuration>
          </plugin>
      </plugins>  
    </build>


</project>

springservice配置dubbo的

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:dubbo="http://code.alibabatech.com/schema/dubbo" xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- 这个是访问dubbo注册中心所要占用的端口 -->
    <dubbo:protocol name="dubbo" port="20881"></dubbo:protocol>
    <dubbo:application name="pinyougou-sellergoods-service"/>  
    <!-- 这个2181是服务端提供的端口 -->
    <dubbo:registry address="zookeeper://192.168.25.128:2181"/>
    <dubbo:annotation package="com.pinyougou.sellergoods.service.impl" />  


</beans>

web.xml的文件

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    version="2.5">  

    <!-- 加载spring容器 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath*:spring/applicationContext*.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>


</web-app>

因为是新建的工程，所有就只有这些位置文件
这个是service的代码

package com.pinyougou.sellergoods.service.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;

import com.alibaba.dubbo.config.annotation.Service;
import com.pinyougou.mapper.TbBrandMapper;
import com.pinyougou.pojo.TbBrand;
import com.pinyougou.sellergoods.service.BrandServcie;

@Service
public class BrandServiceImpl implements BrandServcie {

    //这里引用的是Dao层的接口，而且这个也包含了mapping之类的文件
    @Autowired
    private TbBrandMapper brandMapper;

    @Override
    public List<TbBrand> findAll() {
        return brandMapper.selectByExample(null);
    }

}

这里附上一张这个接口项目的文件结构图，就不多说了
这里写图片描述

三、搭建dubbo服务的消费者，其实就是controller层

这个是controller的一个完整的项目结构，其实这就是一个项目，创建的时候是打成war包的
这里写图片描述
pom文件

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.pinyougou</groupId>
    <artifactId>pinyougou.parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>pinyougou-manager-web</artifactId>
  <packaging>war</packaging>

   <dependencies>
    <!-- Spring -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-beans</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aspects</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jms</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context-support</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-test</artifactId>
    </dependency>
    <!-- dubbo相关 -->
    <dependency>
        <groupId>com.alibaba</groupId>
        <artifactId>dubbo</artifactId>
    </dependency>
    <dependency>
        <groupId>org.apache.zookeeper</groupId>
        <artifactId>zookeeper</artifactId>
    </dependency>
    <dependency>
        <groupId>com.github.sgroschupf</groupId>
        <artifactId>zkclient</artifactId>
    </dependency>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
    </dependency>
    <dependency>
        <groupId>com.alibaba</groupId>
        <artifactId>fastjson</artifactId>
    </dependency>
    <dependency>
        <groupId>javassist</groupId>
        <artifactId>javassist</artifactId>
    </dependency>
    <dependency>
        <groupId>commons-codec</groupId>
        <artifactId>commons-codec</artifactId>
    </dependency>
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>servlet-api</artifactId>        
        <scope>provided</scope>
    </dependency>


    <dependency>
        <groupId>com.pinyougou</groupId>
        <artifactId>pinyougou-sellergoods-interface</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </dependency>
   </dependencies>


    <build>  
      <plugins>
          <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
                <configuration>
                    <!-- 指定端口 -->
                    <port>9101</port>
                    <!-- 请求路径 -->
                    <path>/</path>
                </configuration>
          </plugin>
      </plugins>  
    </build>


</project>

SpringMVC文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:dubbo="http://code.alibabatech.com/schema/dubbo" xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
    <context:property-placeholder location="classpath:config/application.properties" />

    <!-- 这个是配置的Json的转换器 -->
    <mvc:annotation-driven>
      <mvc:message-converters register-defaults="true">
        <bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">  
          <property name="supportedMediaTypes" value="application/json"/>
          <property name="features">
            <array>
              <value>WriteMapNullValue</value>
              <value>WriteDateUseDateFormat</value>
            </array>
          </property>
        </bean>
      </mvc:message-converters>  
    </mvc:annotation-driven>

    <!-- 引用dubbo 服务 -->
    <dubbo:application name="pinyougou-manager-web" />
    <dubbo:registry address="zookeeper://192.168.25.128:2181"/>
    <dubbo:annotation package="com.pinyougou.manager.controller" />     

</beans>

web.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    version="2.5">  
   <!-- 解决post乱码 -->
    <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
        <init-param>  
            <param-name>forceEncoding</param-name>  
            <param-value>true</param-value>  
        </init-param>  
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>   

  <servlet>
    <servlet-name>springmvc</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <!-- 指定加载的配置文件 ，通过参数contextConfigLocation加载-->
    <init-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring/springmvc.xml</param-value>
    </init-param>
  </servlet>

  <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>*.do</url-pattern>
  </servlet-mapping>

</web-app>

BrandController文件
**package com.pinyougou.manager.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import com.alibaba.dubbo.config.annotation.Reference;
import com.pinyougou.pojo.TbBrand;
import com.pinyougou.sellergoods.service.BrandServcie;

@Controller
@ResponseBody
@RequestMapping(“/brand”)
public class BrandController {

//这里不能再使用@Autowired来注入了

@Reference
private BrandServcie brandServcie;

@RequestMapping("/findAll")
public List<TbBrand> findAll() {
    List<TbBrand> findAll = brandServcie.findAll();
    return findAll;
}

}

四、测试

就跟正常访问一样，你可以直接使用你定义的端口加上你想访问的路径，就能直接访问的到
这里写图片描述

五、还可以进入dubbo的管理界面去看到你的服务 ，输入这个地址是你Linux虚拟机上的地址：http://192.168.25.128:8080/dubbo-admin

这里写图片描述

这里写图片描述

总结遇到的坑：

1、可能会报错说不能连接到service服务层（提供者），这个时候需要检查端口对不对应上

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