为啥我的 maven 模块在项目中找不到另一个模块？ [复制]
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【中文标题】为啥我的 maven 模块在项目中找不到另一个模块？ [复制]【英文标题】：Why my maven module could not find another module in the project? [duplicate]为什么我的 maven 模块在项目中找不到另一个模块？ [复制] 【发布时间】：2015-12-06 19:48:34 【问题描述】：这里是主要的 pom：
<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.smsoffice</groupId>
<artifactId>sms-office</artifactId>
<packaging>pom</packaging>
<version>1.0.0-SNAPSHOT</version>
<name>SMS office</name>
<modules>
<module>sms-office-core</module>
<module>sms-office-ui</module>
<module>sms-office-webapp</module>
</modules>
<distributionManagement>
<repository>
<id>$distribution.repository.id</id>
<name>Artifactory Release</name>
<url>$distribution.repository.url</url>
<uniqueVersion>false</uniqueVersion>
</repository>
<snapshotRepository>
<id>$snapshot.repository.id</id>
<name>Artifactory Snapshot</name>
<url>$snapshot.repository.url</url>
<uniqueVersion>false</uniqueVersion>
</snapshotRepository>
</distributionManagement>
<!-- <repositories> -->
<!-- <repository> -->
<!-- <id>maven2-repository.java.net</id> -->
<!-- <name>Java.net Repository for Maven</name> -->
<!-- <url>http://download.java.net/maven/2/</url> -->
<!-- <layout>default</layout> -->
<!-- </repository> -->
<!-- </repositories> -->
<properties>
<wicket.version>1.4.9</wicket.version>
<wicket.auth-roles.version>1.4.3</wicket.auth-roles.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<profiles>
<profile>
<id>branch</id>
<properties>
<skipTests>true</skipTests>
<release-plugin.tagBase>$scm.connection/mps/sms-office/releases</release-plugin.tagBase>
</properties>
</profile>
</profiles>
<scm>
<connection>scm:svn:http://cvs:8383/repositories/sms-office/trunk</connection>
<developerConnection>scm:svn:http://cvs:8383/repositories/sms-office/trunk</developerConnection>
</scm>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>2.1</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-release-plugin</artifactId>
<version>2.0-beta-9</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.1</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.0.2</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-antrun-plugin</artifactId>
<version>1.3</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>2.2</version>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>buildnumber-maven-plugin</artifactId>
<version>1.0-beta-3</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.4.2</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-pmd-plugin</artifactId>
<version>2.4</version>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>cobertura-maven-plugin</artifactId>
<version>2.3</version>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>findbugs-maven-plugin</artifactId>
<version>2.1</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.4</version>
<configuration>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.6</source>
<target>1.6</target>
<showDeprecation>true</showDeprecation>
<showWarnings>true</showWarnings>
</configuration>
</plugin>
</plugins>
</pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.1</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-release-plugin</artifactId>
<configuration>
<tagBase>$release-plugin.tagBase</tagBase>
<autoVersionSubmodules>true</autoVersionSubmodules>
<useReleaseProfile>false</useReleaseProfile>
<preparationGoals>clean install</preparationGoals>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<executions>
<execution>
<id>attach-sources</id>
<phase>verify</phase>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addDefaultImplementationEntries>true</addDefaultImplementationEntries>
</manifest>
<manifestEntries>
<Build-Implementation-Version>$BUILD_TAG</Build-Implementation-Version>
<Build-Number>$BUILD_NUMBER</Build-Number>
<Build-ID>$BUILD_ID</Build-ID>
<Revision>$buildNumber</Revision>
</manifestEntries>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addDefaultImplementationEntries>true</addDefaultImplementationEntries>
</manifest>
<manifestEntries>
<Build-Implementation-Version>$BUILD_TAG</Build-Implementation-Version>
<Build-Number>$BUILD_NUMBER</Build-Number>
<Build-ID>$BUILD_ID</Build-ID>
<Revision>$buildNumber</Revision>
</manifestEntries>
</archive>
</configuration>
</plugin>
<!--plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>buildnumber-maven-plugin</artifactId>
<executions>
<execution>
<phase>validate</phase>
<goals>
<goal>create</goal>
</goals>
</execution>
</executions>
</plugin-->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
</plugin>
</plugins>
</build>
<reporting>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jxr-plugin</artifactId>
<configuration>
<targetJdk>1.5</targetJdk>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-pmd-plugin</artifactId>
<configuration>
<targetJdk>1.5</targetJdk>
<sourceEncoding>utf-8</sourceEncoding>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>cobertura-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>findbugs-maven-plugin</artifactId>
<configuration>
<findbugsXmlOutput>true</findbugsXmlOutput>
<findbugsXmlWithMessages>true</findbugsXmlWithMessages>
<xmlOutput>true</xmlOutput>
</configuration>
</plugin>
</plugins>
</reporting>
</project>
这是moduleA的pom - sms-office-core：
<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>
<parent>
<groupId>com.smsoffice</groupId>
<artifactId>sms-office</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<artifactId>sms-office-core</artifactId>
<packaging>jar</packaging>
<name>sms office core</name>
<build>
<resources>
<resource>
<filtering>false</filtering>
<directory>src/main/java</directory>
<targetPath>$project.build.outputDirectory</targetPath>
<includes>
<include>**</include>
</includes>
<excludes>
<exclude>**/*.java</exclude>
</excludes>
</resource>
<resource>
<filtering>false</filtering>
<directory>src/main/resources</directory>
<targetPath>$project.build.outputDirectory</targetPath>
<includes>
<include>**</include>
</includes>
<excludes>
<exclude>**/*.java</exclude>
</excludes>
</resource>
</resources>
</build>
<profiles>
<profile>
<id>live</id>
<properties>
<maven.test.skip>true</maven.test.skip>
</properties>
<build>
<plugins>
<plugin>
<artifactId>maven-antrun-plugin</artifactId>
<executions>
<execution>
<phase>process-resources</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<tasks>
<copy file="src/main/profiles/live.database.properties"
tofile="$project.build.outputDirectory/database.properties" />
</tasks>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>local</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<properties>
<maven.test.skip>true</maven.test.skip>
</properties>
<build>
<plugins>
<plugin>
<artifactId>maven-antrun-plugin</artifactId>
<executions>
<execution>
<phase>process-resources</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<tasks>
<copy file="src/main/profiles/local.database.properties"
tofile="$project.build.outputDirectory/database.properties" />
</tasks>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<dependencies>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>3.0-alpha-1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>jotm</groupId>
<artifactId>jotm</artifactId>
<version>2.0.10</version>
</dependency>
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>1.8.3</version>
</dependency>
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2.1</version>
</dependency>
<dependency>
<groupId>javax.persistence</groupId>
<artifactId>persistence-api</artifactId>
<version>1.0.2</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.6</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.15</version>
<exclusions>
<exclusion>
<groupId>javax.jms</groupId>
<artifactId>jms</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jmx</groupId>
<artifactId>jmxri</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jdmk</groupId>
<artifactId>jmxtools</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.6.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jpa</artifactId>
<version>2.0.8</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>3.3.2.GA</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-ehcache</artifactId>
<version>3.3.1.GA</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>3.4.0.GA</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.5.2</version>
</dependency>
<dependency>
<groupId>net.sf.ehcache</groupId>
<artifactId>ehcache</artifactId>
<version>1.2.3</version>
</dependency>
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib-nodep</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.26</version>
</dependency>
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5</version>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket</artifactId>
<version>1.4.2</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.jsecurity</groupId>
<artifactId>jsecurity</artifactId>
<version>0.9.0</version>
</dependency>
<dependency>
<groupId>xom</groupId>
<artifactId>xom</artifactId>
<version>1.1</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.6</version>
</dependency>
</dependencies>
</project>
和模块B - sms-office-ui
<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>
<parent>
<groupId>com.smsoffice</groupId>
<artifactId>sms-office</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<artifactId>sms-office-ui</artifactId>
<packaging>jar</packaging>
<name>sms office ui</name>
<description>sms office ui</description>
<build>
<resources>
<resource>
<filtering>false</filtering>
<directory>src/main/java</directory>
<targetPath>$project.build.outputDirectory</targetPath>
<includes>
<include>**</include>
</includes>
<excludes>
<exclude>**/*.java</exclude>
</excludes>
</resource>
<resource>
<filtering>false</filtering>
<directory>src/main/resources</directory>
<targetPath>$project.build.outputDirectory/resources</targetPath>
<includes>
<include>**</include>
</includes>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<id>make shared resources</id>
<goals>
<goal>single</goal>
</goals>
<phase>package</phase>
<configuration>
<descriptors>
<descriptor>src/main/assembly/resources.xml</descriptor>
</descriptors>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<dependencies>
<!-- Project Internal Dependencies -->
<dependency>
<groupId>$project.groupId</groupId>
<artifactId>sms-office-core</artifactId>
<version>$project.version</version>
</dependency>
<!-- External dependencies -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.15</version>
<exclusions>
<exclusion>
<groupId>javax.jms</groupId>
<artifactId>jms</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jmx</groupId>
<artifactId>jmxri</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jdmk</groupId>
<artifactId>jmxtools</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket</artifactId>
<version>$wicket.version</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket-extensions</artifactId>
<version>$wicket.version</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket-datetime</artifactId>
<version>1.4.3</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket-auth-roles</artifactId>
<version>$wicket.auth-roles.version</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket-spring</artifactId>
<version>1.4.7</version>
</dependency>
</dependencies>
</project>
我可以毫无问题地在 moduleA 上进行 mvn clean install。但我无法在第二个模块中完成。当我尝试在 sms-office-ui maven 上安装 mvn 时出现错误：
未能在项目 sms-office-ui 上执行目标：无法解析项目 com.smsoffice:sms-office-ui:jar:1.0.0-SNAPSHOT 的依赖项：无法在 com.smsoffice:sms- 收集依赖项office-core:jar:1.0.0-SNAPSHOT：无法读取 com.smsoffice:sms-office-core:jar:1.0.0-SNAPSHOT 的工件描述符：找不到工件 com.smsoffice:sms-office:pom： 1.0.0-SNAPSHOT -> [帮助 1]
我的问题是如何定位 sms-office-core 以显示 maven 它的位置在哪里？
【问题讨论】：
【参考方案1】：您不应该编译模块本身。您需要在根目录下发出mvn 命令。然后，您可以使用 --pl 选项指定要构建单个模块。此外，您需要 --am 来构建依赖模块。所以，命令变成：
mvn install -pl sms-office-ui -am
顺便说一句，--pl 是 --projects 的简写，--am 是 --also-make 的简写。
【讨论】：
【参考方案2】：看起来它在解析父 pom.xml 时遇到了问题。确保您从父目录运行 mvn clean install，以便它在尝试构建子目录之前安装父 pom。
【讨论】：
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