[英]Custom Maven plugin deployed on Nexus can't be used on a project on local machine unless the plugin is installed on local repo or set as a dependency
我已經開發了一個自定義Maven插件,並將其部署(mvn deploy)在遠程Nexus存儲庫中。 罐子已使用如下pom正確上傳:
<?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>something</groupId>
<artifactId>xxx-maven-plugin</artifactId>
<version>1.0.0-SNAPSHOT</version>
<packaging>maven-plugin</packaging>
該jar包含必要的plugin.xml文件,因此看起來不錯。
我已經配置了一個項目來使用插件:
<plugins>
<plugin>
<groupId>something</groupId>
<artifactId>xxx-maven-plugin</artifactId>
<version>1.0.0-SNAPSHOT</version>
</plugin>
...
但是當我運行mvn xxx:mygoal
它顯示此錯誤:
[ERROR] No plugin found for prefix 'xxx' in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repositories [local (/Users/myuser/.m2/repository), remote-repo (http://someremoterepo/nexus/content/groups/central/)] -> [Help 1]
使其生效的唯一方法是將插件既作為插件又作為項目中的依賴項添加:
...
<dependency>
<groupId>something</groupId>
<artifactId>xxx-maven-plugin</artifactId>
<version>1.0.0-SNAPSHOT</version>
</dependency>
</dependencies>
<plugins>
<plugin>
<groupId>something</groupId>
<artifactId>xxx-maven-plugin</artifactId>
<version>1.0.0-SNAPSHOT</version>
</plugin>
...
現在,它確實找到了插件並正確執行了。 我究竟做錯了什么? 我想沒有必要將其定義為插件和依賴項,其他第三方插件則沒有此要求。
更新:
我已經將此添加到我的settings.xml文件中:
<pluginGroup>something</pluginGroup>
</pluginGroups>
現在錯誤有所不同:
[WARNING] The POM for something:xxx-maven-plugin:jar:1.0.0-SNAPSHOT is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for something:xxx-maven-plugin:1.0.0-SNAPSHOT: Plugin something:xxx-maven-plugin:1.0.0-SNAPSHOT or one of its dependencies could not be resolved: Could not find artifact something:xxx-maven-plugin:jar:1.0.0-SNAPSHOT
[WARNING] The POM for something:xxx-maven-plugin:jar:1.0.0-SNAPSHOT is missing, no dependency information available
...
[ERROR] Plugin something:xxx-maven-plugin:1.0.0-SNAPSHOT or one of its dependencies could not be resolved: Could not find artifact something:xxx-maven-plugin:jar:1.0.0-SNAPSHOT -> [Help 1]
它實際上在回購中。 同樣,如果我明確將其添加為依賴項,它確實可以工作。 ???
更新2:
使用Nexus GAV搜索界面,我找到了一個帶有artifactId spring-boot-maven-plugin並打包了maven-plugin的插件,並找到了它。 使用包裝罐也可以找到它。
然后,我對插件執行相同的操作,在尋找包裝的maven-plugin時會找到它,但在使用包裝的jar時找不到。
更新3:
在我的本地倉庫中,有一個maven-metadata-central-mirror.xml文件,其中包含以下內容:
<?xml version="1.0" encoding="UTF-8"?>
<metadata>
<plugins>
<plugin>
<name>something</name>
<prefix>xxx</prefix>
<artifactId>xxx-maven-plugin</artifactId>
</plugin>
</plugins>
</metadata>
完整配置
本地settings.xml:
<?xml version="1.0" encoding="UTF-8"?>
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
<localRepository>/Users/myuser/.m2/repository</localRepository>
<pluginGroups>
<pluginGroup>something</pluginGroup>
</pluginGroups>
<proxies>
</proxies>
<servers>
<server>
<id>someremoterepo</id>
<username>xxxx</username>
<password>yyyy</password>
</server>
</servers>
<mirrors>
<mirror>
<id>someremoterepo</id>
<name>Nexus Repo</name>
<url>http://someremoterepo/nexus/content/groups/central/</url>
<mirrorOf>*</mirrorOf>
</mirror>
</mirrors>
<profiles>
<profile>
<id>myprofile</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<repositories>
<repository>
<id>central</id>
<name>Central</name>
<releases>
<enabled>true</enabled>
<checksumPolicy>warn</checksumPolicy>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>never</updatePolicy>
<checksumPolicy>fail</checksumPolicy>
</snapshots>
<url>http://someremoterepo/nexus/content/groups/central</url>
</repository>
</repositories>
</profile>
</profiles>
</settings>
自定義插件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>something</groupId>
<artifactId>xxx-maven-plugin</artifactId>
<version>1.0.0-SNAPSHOT</version>
<packaging>maven-plugin</packaging>
<name>xxx-maven-plugin</name>
<description>xxx</description>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<kotlin.version>1.2.21</kotlin.version>
<junit5.version>5.0.3</junit5.version>
</properties>
<dependencies>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-project</artifactId>
<version>2.2.1</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-plugin-api</artifactId>
<version>3.3.9</version>
</dependency>
<dependency>
<groupId>org.apache.maven.plugin-tools</groupId>
<artifactId>maven-plugin-annotations</artifactId>
<version>3.5.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-stdlib-jdk8</artifactId>
<version>${kotlin.version}</version>
</dependency>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-reflect</artifactId>
<version>${kotlin.version}</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>${junit5.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>${junit5.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<version>1.5.10.RELEASE</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.github.sbrannen</groupId>
<artifactId>spring-test-junit5</artifactId>
<version>1.0.2</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<sourceDirectory>${project.basedir}/src/main/kotlin</sourceDirectory>
<testSourceDirectory>${project.basedir}/src/test/kotlin</testSourceDirectory>
<plugins>
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>0.8.0</version>
<executions>
<execution>
<id>jacoco-initialize</id>
<phase>initialize</phase>
<goals>
<goal>prepare-agent</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>kotlin-maven-plugin</artifactId>
<groupId>org.jetbrains.kotlin</groupId>
<version>${kotlin.version}</version>
<configuration>
<args>
<arg>-Xjsr305=strict</arg>
</args>
<compilerPlugins>
<plugin>spring</plugin>
</compilerPlugins>
<jvmTarget>1.8</jvmTarget>
</configuration>
<executions>
<execution>
<id>compile</id>
<phase>compile</phase>
<goals>
<goal>compile</goal>
</goals>
</execution>
<execution>
<id>test-compile</id>
<phase>test-compile</phase>
<goals>
<goal>test-compile</goal>
</goals>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-maven-allopen</artifactId>
<version>${kotlin.version}</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
<distributionManagement>
<repository>
<id>someremoterepo-releases</id>
<name>releases</name>
<url>http://someremoterepo/nexus/content/repositories/releases/</url>
</repository>
<snapshotRepository>
<id>someremoterepo-snapshots</id>
<name>snapshots</name>
<url>http://someremoterepo/nexus/content/repositories/snapshots/</url>
</snapshotRepository>
</distributionManagement>
</project>
包含插件的項目:
唯一相關的位是:
<?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>agroup</groupId>
<artifactId>some-project</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
...
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.10.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
...
<plugins>
<plugin>
<groupId>something</groupId>
<artifactId>xxx-maven-plugin</artifactId>
<version>1.0.0-SNAPSHOT</version>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
...
經過很多努力后,我終於解決了這個問題,解決方案是在settings.xml
文件中定義pluginRepositories
。 現在,它可以正確解析插件,而無需將其作為依賴項添加到項目pom中:
<?xml version="1.0" encoding="UTF-8"?>
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
<localRepository>/Users/myuser/.m2/repository</localRepository>
<pluginGroups>
<pluginGroup>something</pluginGroup>
</pluginGroups>
<proxies>
</proxies>
<servers>
<server>
<id>someremoterepo</id>
<username>xxxx</username>
<password>yyyy</password>
</server>
</servers>
<mirrors>
<mirror>
<id>someremoterepo</id>
<name>Nexus Repo</name>
<url>http://someremoterepo/nexus/content/groups/central/</url>
<mirrorOf>*</mirrorOf>
</mirror>
</mirrors>
<profiles>
<profile>
<id>myprofile</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<repositories>
<repository>
<id>central</id>
<name>Central</name>
<releases>
<enabled>true</enabled>
<checksumPolicy>warn</checksumPolicy>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>never</updatePolicy>
<checksumPolicy>fail</checksumPolicy>
</snapshots>
<url>http://someremoterepo/nexus/content/groups/central</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>central</id>
<name>Central</name>
<releases>
<enabled>true</enabled>
<checksumPolicy>warn</checksumPolicy>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>never</updatePolicy>
<checksumPolicy>fail</checksumPolicy>
</snapshots>
<url>http://someremoterepo/nexus/content/groups/central</url>
</pluginRepository>
</pluginRepositories>
</profile>
</profiles>
</settings>
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