maven - 未能执行目标 org.apache.maven.plugins :maven-gpg-plugin

Question

这个错误让我发疯。有人可以帮帮我吗？
我确实安装了 gpg，它也在 PATH 中。是什么导致这个错误!!!

我在 jenkins 1.5、maven 3.0.3 和 linux 上运行这个作业(都显示相同的错误)

[INFO] [ERROR] Failed to execute goal org.apache.maven.plugins:maven-gpg-plugin:1.5:sign (default) on project sample: Exit code: 2 -> [Help 1]
    [INFO] [ERROR] 
    [INFO] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
    [INFO] [ERROR] Re-run Maven using the -X switch to enable full debug logging.
    [INFO] [ERROR] 
    [INFO] [ERROR] For more information about the errors and possible solutions, please read the following articles:
    [INFO] [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
    [INFO] ------------------------------------------------------------------------
    [INFO] BUILD FAILURE
    [INFO] ------------------------------------------------------------------------
    [INFO] Total time: 4:53.571s
    [INFO] Finished at: Fri Aug 14 14:00:36 PDT 2015
    [INFO] Final Memory: 21M/620M
    [INFO] ------------------------------------------------------------------------
    [JENKINS] Archiving /var/lib/jenkins/jobs/sample/workspace/pom.xml to /var/lib/jenkins/jobs/sample/modules/com.sample$sample/builds/2015-08-14_13-55-35/archive/com.sample/sample/1.0.0-SNAPSHOT/sample-1.0.0-SNAPSHOT.pom
    Waiting for Jenkins to finish collecting data
    mavenExecutionResult exceptions not empty
    message : Failed to execute goal org.apache.maven.plugins:maven-release-plugin:2.5:prepare (default-cli) on project sample: Maven execution failed, exit code: '1'
    cause : Maven execution failed, exit code: '1'
    Stack trace : 
    org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-release-plugin:2.5:prepare (default-cli) on project sample: Maven execution failed, exit code: '1'
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
        at org.jvnet.hudson.maven3.launcher.Maven3Launcher.main(Maven3Launcher.java:79)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:329)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:239)
        at org.jvnet.hudson.maven3.agent.Maven3Main.launch(Maven3Main.java:158)
        at hudson.maven.Maven3Builder.call(Maven3Builder.java:100)
        at hudson.maven.Maven3Builder.call(Maven3Builder.java:66)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:326)
        at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
    Caused by: org.apache.maven.plugin.MojoExecutionException: Maven execution failed, exit code: '1'
        at org.apache.maven.plugins.release.PrepareReleaseMojo.prepareRelease(PrepareReleaseMojo.java:281)
        at org.apache.maven.plugins.release.PrepareReleaseMojo.execute(PrepareReleaseMojo.java:232)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
        ... 26 more
    Caused by: org.apache.maven.shared.release.ReleaseExecutionException: Maven execution failed, exit code: '1'
        at org.apache.maven.shared.release.phase.AbstractRunGoalsPhase.execute(AbstractRunGoalsPhase.java:89)
        at org.apache.maven.shared.release.phase.RunPrepareGoalsPhase.execute(RunPrepareGoalsPhase.java:44)
        at org.apache.maven.shared.release.DefaultReleaseManager.prepare(DefaultReleaseManager.java:234)
        at org.apache.maven.shared.release.DefaultReleaseManager.prepare(DefaultReleaseManager.java:169)
        at org.apache.maven.shared.release.DefaultReleaseManager.prepare(DefaultReleaseManager.java:146)
        at org.apache.maven.shared.release.DefaultReleaseManager.prepare(DefaultReleaseManager.java:107)
        at org.apache.maven.plugins.release.PrepareReleaseMojo.prepareRelease(PrepareReleaseMojo.java:277)
        ... 29 more
    Caused by: org.apache.maven.shared.release.exec.MavenExecutorException: Maven execution failed, exit code: '1'
        at org.apache.maven.shared.release.exec.InvokerMavenExecutor.executeGoals(InvokerMavenExecutor.java:394)
        at org.apache.maven.shared.release.exec.AbstractMavenExecutor.executeGoals(AbstractMavenExecutor.java:110)
        at org.apache.maven.shared.release.phase.AbstractRunGoalsPhase.execute(AbstractRunGoalsPhase.java:81)
        ... 35 more
    channel stopped
    Archiving artifacts
    An attempt to send an e-mail to empty list of recipients, ignored.
    Finished: FAILURE

Answer 1

如果您不需要对 Artifact 进行签名，则可以禁用或跳过父 pom 中定义的 gpg 插件的执行

<plugin>
    <groupId>org.codehaus.mojo</groupId>
    <artifactId>maven-gpg-plugin</artifactId>
    <configuration>
        <skip>true</skip>
    </configuration>
</plugin>

或使用 gpg.skip=true 运行构建(见 Maven GPG Plugin)

如果您需要对 Artifact 进行签名，您应该检查父 pom 中 gpg-plugin 的配置或覆盖 pom 中的配置。也许父pom中的某些设置与您的系统环境不匹配，但是从错误消息中很难说。