Dubbo(七)------服务运行的三种方式

1、使用Servlet容器运行(Tomcat、Jetty等),不推荐

即把工程做成web工程,在web.xml里面启动spring,然后在spring中启动dubbo服务。dubbo服务随着tomcat启动而启动了。但是这种方式并不推荐使用,因为它增加了复杂性,浪费了内存资源。

2、自建main方法来运行,这种方式适合本地调试

Dubbo(三)------Dubbo入门示例(基于XML配置)

3、使用dubbo框架提供的main方法来运行(推荐使用)

优点:框架本身提供(com.alibaba.dubbo.container.Main),可是实现优雅关机(ShutdownHook)

现在介绍第三种方式如何使用的

主要利用maven的maven-jar-plugin和maven-dependency-plugin插件,前一个插件是配置可运行jar的manifest清单文件,该清单文件主要配置主程序main所在的位置还有依赖的jar包的位置。由于dubbo启动类 com.alibaba.dubbo.container.Main 默认自动加载META-INF/spring目录下的所有Spring配置,所以我们还需要把spring的配置文件通过maven拷贝到指定目录。除此之外,packaging的构建包类型修改为jar

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pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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>

    <groupId>com.yi</groupId>
    <artifactId>dubbo-provider</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <dubbo.version>2.6.6</dubbo.version>
        <spring.version>4.3.6.RELEASE</spring.version>
        <java.version>1.8</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>com.yi</groupId>
            <artifactId>dubbo-api</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.alibaba/dubbo -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
            <version>${dubbo.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
            <version>3.4.10</version>
        </dependency>
        <dependency>
            <groupId>com.101tec</groupId>
            <artifactId>zkclient</artifactId>
            <version>0.5</version>
        </dependency>
        <dependency>
            <groupId>io.netty</groupId>
            <artifactId>netty-all</artifactId>
            <version>4.1.32.Final</version>
        </dependency>
        <dependency>
            <groupId>org.apache.curator</groupId>
            <artifactId>curator-framework</artifactId>
            <version>2.8.0</version>
        </dependency>
        <dependency>
            <groupId>org.apache.curator</groupId>
            <artifactId>curator-recipes</artifactId>
            <version>2.8.0</version>
        </dependency>
        <!-- spring相关 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jms</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjrt</artifactId>
            <version>1.6.11</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.6.11</version>
        </dependency>
    </dependencies>

    <build>
        <!-- 输出文件名 -->
        <finalName>dubbo-provider</finalName>

        <resources>
            <!--recources文件夹下的所有文件都打进jar包-->
            <resource>
                <targetPath>${project.build.directory}/classes</targetPath>
                <directory>src/main/resources</directory>
                <filtering>true</filtering>
                <includes>
                    <include>**/*.xml</include>
                    <include>**/*.properties</include>
                </includes>

            </resource>
            <!-- com.alibaba.dubbo.container.Main加载spring配置文件的路径 META-INF/spring -->
            <!-- 将 springmvc.xml文件拷贝到META-INF目录下-->
            <resource>
                <targetPath>${project.build.directory}/classes/META-INF/spring</targetPath>
                <directory>src/main/resources/spring</directory>
               <filtering>true</filtering>
                <includes>
                    <include>*.xml</include>
                </includes>
            </resource>
        </resources>

        <plugins>
            <!-- 资源文件拷贝插件 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>2.7</version>
                <configuration>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>

            <!-- java编译插件 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.2</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>

            <!-- 打包jar文件时,配置manifest文件,加入lib包的jar依赖 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <version>2.6</version>
                <configuration>
                    <classesDirectory>target/classes/</classesDirectory>
                    <archive>
                        <manifest>
                            <!-- 打包时 MANIFEST.MF文件不记录的时间戳版本 -->
                            <useUniqueVersions>false</useUniqueVersions>
                            <!-- 添加Class-Path -->
                            <addClasspath>true</addClasspath>
                            <!-- Class-Path添加前缀 -->
                            <classpathPrefix>lib/</classpathPrefix>
                            <!-- 指定Main-Class -->
                            <mainClass>com.alibaba.dubbo.container.Main</mainClass>
                        </manifest>
                    </archive>
                </configuration>
            </plugin>

            <!-- 拷贝依赖的jar包到lib目录 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-dependency-plugin</artifactId>
                <version>2.10</version>
                <executions>
                    <execution>
                        <id>copy</id>
                        <phase>package</phase>
                        <goals>
                            <goal>copy-dependencies</goal>
                        </goals>
                        <configuration>
                            <outputDirectory>
                                <!-- 拷贝依赖到lib文件夹 -->
                                ${project.build.directory}/lib
                            </outputDirectory>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>

将maven项目打成jar包
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复制lib和jar包放入同一文件夹下
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使用java -jar dubbo-provider.jar 命令启动
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启动成功
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查看dubbo-admin
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