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java - Maven 重用 Super POM 的属性

转载 作者:行者123 更新时间:2023-11-30 03:16:43 25 4
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我想使用 Super POM 中定义的属性:

<properties>
<jcl-over-slf4j.version>1.7.5</jcl-over-slf4j.version>
<jdk.version>1.7</jdk.version>
<jstl.version>1.2</jstl.version>
<junit.version>4.11</junit.version>
<logback.version>1.0.13</logback.version>
<spring.version>4.1.1.RELEASE</spring.version>
</properties>

在我的项目的 POM.xml 文件中:

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
<exclusions>
<exclusion>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
</exclusion>
</exclusions>
</dependency>

但我收到以下错误:

[ERROR]     'dependencies.dependency.version' for org.springframework:spring-core:jar must be a valid version but is '${spring.version}'. @ line 22, column 16

然后我必须将相同的属性添加到我的项目的 POM.xml 中才能使其正常工作。有没有其他方法可以做到这一点,这样做似乎效率很低。顺便说一句,我是 Maven 新手。

super POM:

 <!-- ====================================================================== -->
<!-- -->
<!-- Generated on 2015-09-04T05:07:36 -->
<!-- -->
<!-- ====================================================================== -->

<!-- ====================================================================== -->
<!-- -->
<!-- Effective POM for project -->
<!-- 'com.mycompany.webapp:web-app:war:1.0-SNAPSHOT' -->
<!-- -->
<!-- ====================================================================== -->

<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.mycompany.webapp</groupId>
<artifactId>web-app</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>web-app Maven Webapp</name>
<url>http://maven.apache.org</url>

<properties>
<jcl-over-slf4j.version>1.7.5</jcl-over-slf4j.version>
<jdk.version>1.7</jdk.version>
<jstl.version>1.2</jstl.version>
<junit.version>4.11</junit.version>
<logback.version>1.0.13</logback.version>
<spring.version>4.1.1.RELEASE</spring.version>
</properties>

<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>4.1.1.RELEASE</version>
<scope>compile</scope>
<exclusions>
<exclusion>
<artifactId>commons-logging</artifactId>
<groupId>commons-logging</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>1.7.5</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.0.13</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.1.1.RELEASE</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.1.1.RELEASE</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
<scope>compile</scope>
</dependency>
</dependencies>

<repositories>
<repository>
<snapshots>
<enabled>false</enabled>
</snapshots>
<id>central</id>
<name>Central Repository</name>
<url>http://repo.maven.apache.org/maven2</url>
</repository>
</repositories>

<pluginRepositories>
<pluginRepository>
<releases>
<updatePolicy>never</updatePolicy>
</releases>
<snapshots>
<enabled>false</enabled>
</snapshots>
<id>central</id>
<name>Central Repository</name>
<url>http://repo.maven.apache.org/maven2</url>
</pluginRepository>
</pluginRepositories>

<build>
<sourceDirectory>/Users/marcelo/Documents/MavenTest/web-app/src/main/java</sourceDirectory>
<scriptSourceDirectory>/Users/marcelo/Documents/MavenTest/web-app/src/main/scripts</scriptSourceDirectory>
<testSourceDirectory>/Users/marcelo/Documents/MavenTest/web-app/src/test/java</testSourceDirectory>
<outputDirectory>/Users/marcelo/Documents/MavenTest/web-app/target/classes</outputDirectory>
<testOutputDirectory>/Users/marcelo/Documents/MavenTest/web-app/target/test-classes</testOutputDirectory>

<resources>
<resource>
<directory>/Users/marcelo/Documents/MavenTest/web-app/src/main/resources</directory>
</resource>
</resources>

<testResources>
<testResource>
<directory>/Users/marcelo/Documents/MavenTest/web-app/src/test/resources</directory>
</testResource>
</testResources>

<directory>/Users/marcelo/Documents/MavenTest/web-app/target</directory>
<finalName>web-app</finalName>

<pluginManagement>
<plugins>
<plugin>
<artifactId>maven-antrun-plugin</artifactId>
<version>1.3</version>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.2-beta-5</version>
</plugin>
<plugin>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.1</version>
</plugin>
<plugin>
<artifactId>maven-release-plugin</artifactId>
<version>2.0</version>
</plugin>
</plugins>
</pluginManagement>

<plugins>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>2.4.1</version>
<executions>
<execution>
<id>default-clean</id>
<phase>clean</phase>
<goals>
<goal>clean</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-install-plugin</artifactId>
<version>2.3.1</version>
<executions>
<execution>
<id>default-install</id>
<phase>install</phase>
<goals>
<goal>install</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>2.5</version>
<executions>
<execution>
<id>default-resources</id>
<phase>process-resources</phase>
<goals>
<goal>resources</goal>
</goals>
</execution>
<execution>
<id>default-testResources</id>
<phase>process-test-resources</phase>
<goals>
<goal>testResources</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.10</version>
<executions>
<execution>
<id>default-test</id>
<phase>test</phase>
<goals>
<goal>test</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<executions>
<execution>
<id>default-testCompile</id>
<phase>test-compile</phase>
<goals>
<goal>testCompile</goal>
</goals>
</execution>
<execution>
<id>default-compile</id>
<phase>compile</phase>
<goals>
<goal>compile</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>2.1.1</version>
<executions>
<execution>
<id>default-war</id>
<phase>package</phase>
<goals>
<goal>war</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.7</version>
<executions>
<execution>
<id>default-deploy</id>
<phase>deploy</phase>
<goals>
<goal>deploy</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-site-plugin</artifactId>
<version>3.0</version>
<executions>
<execution>
<id>default-site</id>
<phase>site</phase>
<goals>
<goal>site</goal>
</goals>
<configuration>
<outputDirectory>/Users/marcelo/Documents/MavenTest/web-app/target/site</outputDirectory>
<reportPlugins>
<reportPlugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-project-info-reports-plugin</artifactId>
</reportPlugin>
</reportPlugins>
</configuration>
</execution>
<execution>
<id>default-deploy</id>
<phase>site-deploy</phase>
<goals>
<goal>deploy</goal>
</goals>
<configuration>
<outputDirectory>/Users/marcelo/Documents/MavenTest/web-app/target/site</outputDirectory>
<reportPlugins>
<reportPlugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-project-info-reports-plugin</artifactId>
</reportPlugin>
</reportPlugins>
</configuration>
</execution>
</executions>
<configuration>
<outputDirectory>/Users/marcelo/Documents/MavenTest/web-app/target/site</outputDirectory>
<reportPlugins>
<reportPlugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-project-info-reports-plugin</artifactId>
</reportPlugin>
</reportPlugins>
</configuration>
</plugin>
</plugins>
</build>

<reporting>
<outputDirectory>/Users/marcelo/Documents/MavenTest/web-app/target/site</outputDirectory>
</reporting>
</project>

POM.xml

<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.mycompany.webapp</groupId>
<artifactId>web-app</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>web-app Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<jcl-over-slf4j.version>1.7.5</jcl-over-slf4j.version>
<jdk.version>1.7</jdk.version>
<jstl.version>1.2</jstl.version>
<junit.version>4.11</junit.version>
<logback.version>1.0.13</logback.version>
<spring.version>4.1.1.RELEASE</spring.version>
</properties>

<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>

<!-- Spring Core -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
<exclusions>
<exclusion>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
</exclusion>
</exclusions>
</dependency>

<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${jcl-over-slf4j.version}</version>
</dependency>

<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.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>

<!-- jstl -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>${jstl.version}</version>
</dependency>

</dependencies>
<build>
<finalName>web-app</finalName>
</build>
</project>

最佳答案

为了使用父 pom 中的属性,您的子项目必须从父项目扩展。但为了扩展,你的父pom包装必须是pom而不是war。恕我直言,最好创建一个真正的父 pom 并将所有属性放在那里,而不是从该项目扩展其他两个 Web 应用程序。

这是一个例子;

父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.mycompany.webapp</groupId>
<artifactId>parent-pom</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>pom</packaging>

<name>parent-pom</name>

<properties>
<jcl-over-slf4j.version>1.7.5</jcl-over-slf4j.version>
<jdk.version>1.7</jdk.version>
<jstl.version>1.2</jstl.version>
<junit.version>4.11</junit.version>
<logback.version>1.0.13</logback.version>
<spring.version>4.1.1.RELEASE</spring.version>

</properties>


<modules>
<module>web-app-1</module>
<module>web-app-2</module>
</modules>

</project>

比在您的不同项目上(例如我将使用 web-app-1web-app-2)

<?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">
<parent>
<groupId>com.mycompany.webapp</groupId>
<artifactId>parent-pom</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

<groupId>com.mycompany.webapp</groupId>
<artifactId>web-app-1</artifactId>
<packaging>war</packaging>
...
</project>

<?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">
<parent>
<groupId>com.mycompany.webapp</groupId>
<artifactId>parent-pom</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

<groupId>com.mycompany.webapp</groupId>
<artifactId>web-app-2</artifactId>
<packaging>war</packaging>
...
</project>

你的项目结构将是

project-root
-- pom.xml (this is parent pom)
-- web-app-1
---- pom.xml
-- web-app-2
---- pom.xml

如果您有本地 Maven 存储库( nexusartifactory 等),您甚至可以以不同的方式发布父 pom 和子模块。

如果您想覆盖某个属性,只需在子项目(web-app-1 和 web-app-2)中重新定义它即可

关于java - Maven 重用 Super POM 的属性,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32400441/

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