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Spring Starter多模块项目的大战文件

[英]Big war file with Spring starter multi module project

 原文  2013-12-24 05:28:56  8   2    java/ spring/ spring-boot

问题描述

I have a big project, consist of several small modules: 我有一个大项目，由几个小模块组成：

  • core.jar: contains the entities & data jpa repositories, use spring-boot-starter-data-jpa core.jar：包含实体和数据jpa存储库，使用spring-boot-starter-data-jpa
  • api.jar: contains all the rest controller, depends on core.jar and use spring-boot-starter-web api.jar：包含所有其余的控制器，取决于core.jar并使用spring-boot-starter-web
  • web.war: the entry point, contains the configuration and convert from executable jar to war by follow the guide: http://spring.io/guides/gs/convert-jar-to-war/ web.war：入口点，包含配置，并按照指南从可执行jar转换为war： http : //spring.io/guides/gs/convert-jar-to-war/

Everything works well, the only issue is the war file very big, about > 300MB at current code base (which is very small, just some controller, few entities). 一切运行良好，唯一的问题是war文件很大，在当前代码库中大约> 300MB（这很小，只有一些控制器，很少有实体）。 I do some investigation and found out that the core.jar & api.jar contains the dependencies, the web.war also again contains those dependencies includes his own dependencies. 我进行了一些调查，发现core.jar和api.jar包含依赖项，而web.war再次包含那些依赖关系，包括他自己的依赖关系。

Do we have anyway to build the jar, war without dependencies and let them download the dependencies on first boot on the production machine? 无论如何，我们是否有能力构建jar，无依赖项的战争，并让他们在生产机器上首次启动时下载依赖项？ or the dependencies package separately, so in the incremental deployment, we do not need to re-upload the whole thing? 还是单独依赖包，所以在增量部署中，我们不需要重新上传整个东西吗？

Regards, 问候，

Update 1: 更新1：

Q: Do I need core.jar & api.jar to be executable. 问：我需要core.jar和api.jar可执行文件吗？

A: No, I don't need it, but I also don't want to list down all the difference dependencies which is I can have by include spring-boot-starter-data-jpa or spring-boot-starter-web 答：不，我不需要它，但我也不想列出包含spring-boot-starter-data-jpa或spring-boot-starter-web所有差异依赖项

All my pom.xml 我所有的pom.xml

My core.jar pom.xml 我的core.jar 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.example.project</groupId>
    <artifactId>module-core</artifactId>
    <version>0.0.1-SNAPSHOT</version>

    <name>module-core</name>
    <description>Demo project</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>0.5.0.M6</version>
    </parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <properties>
        <start-class>com.example.project.tuts.core.Application</start-class>
    </properties>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

    <repositories>
        <repository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>http://repo.springsource.org/snapshot</url>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </repository>
        <repository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>http://repo.springsource.org/milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>
    <pluginRepositories>
        <pluginRepository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>http://repo.springsource.org/snapshot</url>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </pluginRepository>
        <pluginRepository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>http://repo.springsource.org/milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </pluginRepository>
    </pluginRepositories>

</project>

My api.jar pom.xml 我的api.jar 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.example.project</groupId>
    <artifactId>module-api</artifactId>
    <version>0.0.1-SNAPSHOT</version>

    <name>module-api</name>
    <description></description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>0.5.0.M6</version>
    </parent>

    <dependencies>
        <dependency>
            <groupId>com.example.project</groupId>
            <artifactId>module-core</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>



    </dependencies>

    <properties>
        <start-class>com.example.project.module.web.Application</start-class>
    </properties>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

    <repositories>
        <repository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>http://repo.springsource.org/snapshot</url>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </repository>
        <repository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>http://repo.springsource.org/milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>
    <pluginRepositories>
        <pluginRepository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>http://repo.springsource.org/snapshot</url>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </pluginRepository>
        <pluginRepository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>http://repo.springsource.org/milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </pluginRepository>
    </pluginRepositories>

</project>

My web.war pom.xml 我的web.war 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.example.project</groupId>
    <artifactId>project-web</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>

    <name>project-web</name>
    <description>Demo project</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>0.5.0.M6</version>
    </parent>

    <dependencies>
         <dependency>
            <groupId>com.example.project</groupId>
            <artifactId>module-api</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>       
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-jpa</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <dependency>
            <groupId>com.h2database</groupId>
            <artifactId>h2</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.tiles</groupId>
            <artifactId>tiles-extras</artifactId>
            <version>2.2.2</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.tomcat.embed</groupId>
            <artifactId>tomcat-embed-jasper</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
        </dependency>


    </dependencies>

    <properties>
        <start-class>com.example.project.Application</start-class>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <configuration>
                        <source>1.7</source>
                        <target>1.7</target>
                    </configuration>
                </plugin>
        </plugins>

    </build>

    <repositories>
        <repository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>http://repo.springsource.org/snapshot</url>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </repository>
        <repository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>http://repo.springsource.org/milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>
    <pluginRepositories>
        <pluginRepository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>http://repo.springsource.org/snapshot</url>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </pluginRepository>
        <pluginRepository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>http://repo.springsource.org/milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </pluginRepository>
    </pluginRepositories>

</project>

2 个解决方案

解决方案1
 1  2013-12-24 05:36:15

If you build project with Maven you can use dependency scopes http://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html#Dependency_Scope 如果您使用Maven构建项目，则可以使用依赖范围http://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html#Dependency_Scope 

<dependency>
  <groupId>group-c</groupId>
  <artifactId>artifact-b</artifactId>
  <version>1.0</version>
  <type>war</type>
  <scope>runtime</scope>
</dependency>

and exclusions 和排除 

<dependency>
  <groupId>group-a</groupId>
  <artifactId>artifact-a</artifactId>
  <version>1.0</version>
  <exclusions>
    <exclusion>
      <groupId>group-c</groupId>
      <artifactId>excluded-artifact</artifactId>
    </exclusion>
  </exclusions>
</dependency>

Thus the war project could exclude dependencies and jar projects could use compile time dependecies. 因此，war项目可以排除依赖项，而jar项目可以使用编译时依赖项。

解决方案2
 0 已采纳  2013-12-26 08:13:23

If you don't need the core and api JARs to be executable just remove the spring-boot-maven-plugin from those poms. 如果您不需要核心和api JAR可执行文件，只需从这些pom中删除spring-boot-maven-plugin即可。 In an auto-generated pom.xml from the STS IDE you can just remove the whole <build/> section, ie 在STS IDE中自动生成的pom.xml ，您可以删除整个<build/>部分，即 

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>

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