【问题标题】:Could not find or load main class mvn when launching jenkins job启动詹金斯作业时找不到或加载主类 mvn
【发布时间】:2016-04-13 02:15:24
【问题描述】:

我认为我已经设置了使用 Maven 运行 jenkins 作业所需的所有内容,但每次运行作业时都会出现错误。 我使用的是 Ubuntu 14.04 LTS 和 Jenkins 1.642。

完整的错误:

Parsing POMs
[RaceCom] $ /var/lib/jenkins/tools/hudson.model.JDK/JDK/bin/java mvn --batch-mode release:update-versions -DdevelopmentVersion=1.2.0-SNAPSHOT -cp /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven31-agent-1.5.jar:/home/damian/Documents/apache-maven-3.3.9/boot/plexus-classworlds-2.5.2.jar:/home/damian/Documents/apache-maven-3.3.9/conf/logging jenkins.maven3.agent.Maven31Main /home/damian/Documents/apache-maven-3.3.9/ /var/cache/jenkins/war/WEB-INF/lib/remoting-2.53.3.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven31-interceptor-1.5.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.5.jar 50845
Error: Could not find or load main class mvn
ERROR: Failed to launch Maven. Exit code = 1

Java Home 环境变量和版本检查:

damian@damian-server:~$ echo $JAVA_HOME
/usr/lib/jvm/java-8-oracle
damian@damian-server:~$ java -version
java version "1.8.0_77"
Java(TM) SE Runtime Environment (build 1.8.0_77-b03)
Java HotSpot(TM) 64-Bit Server VM (build 25.77-b03, mixed mode)

Maven Home 环境变量和版本检查:

damian@damian-server:~$ echo $M2_HOME
/home/damian/Documents/apache-maven-3.3.9
damian@damian-server:~$ mvn -version
Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-10T13:41:47-03:00)
Maven home: /home/damian/Documents/apache-maven-3.3.9
Java version: 1.8.0_77, vendor: Oracle Corporation
Java home: /usr/lib/jvm/java-8-oracle/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.13.0-35-generic", arch: "amd64", family: "unix"

Jenkins 配置,MAVEN_HOME:/home/damian/Documents/apache-maven-3.3.9/

如果我在终端中运行 Maven 可以完美运行。

有什么想法吗?

谢谢。

【问题讨论】:

    标签: maven jenkins


    【解决方案1】:

    在 pom.xml 中配置 Maven-jar-plugin 以在构建阶段设置项目的主类。

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <version>2.4</version>
                <configuration>
                    <archive>
                        <manifest>
                            <mainClass>your.main.Class</mainClass>
                        </manifest>
                    </archive>
                </configuration>
            </plugin>
    
        </plugins>
    </build>
    

    【讨论】:

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