声纳Maven插件构建错误，SonarQube版本:null [英] sonar maven plugin build error, SonarQube version: null

问题描述

我的jenkins构建刚刚开始失败，并显示以下消息:

[INFO] --- sonar-maven-plugin:2.7:sonar (default-cli) @ cividas-core-web ---
[INFO] artifact com.ontimize:ontimize-core: checking for updates from central
[INFO] artifact com.ontimize:ontimize-core: checking for updates from imatia-local
[INFO] artifact com.ontimize:ontimize-core: checking for updates from snapshots
[INFO] User cache: /var/lib/jenkins/.sonar/cache
[INFO] SonarQube version: null
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.773s
[INFO] Finished at: Thu Oct 22 19:49:04 CEST 2015
[INFO] Final Memory: 13M/193M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:sonar-maven-plugin:2.7:sonar (default-cli) on project cividas-core-web: null: MojoExecutionException: NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.mojo:sonar-maven-plugin:2.7:sonar (default-cli) on project cividas-core-web: null
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
    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:317)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:152)
    at org.apache.maven.cli.MavenCli.execute(MavenCli.java:555)
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)
    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.launchEnhanced(Launcher.java:289)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.MojoExecutionException
    at org.codehaus.mojo.sonar.bootstrap.ExceptionHandling.handle(ExceptionHandling.java:41)
    at org.codehaus.mojo.sonar.bootstrap.RunnerBootstrapper.execute(RunnerBootstrapper.java:107)
    at org.codehaus.mojo.sonar.SonarMojo.execute(SonarMojo.java:141)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:106)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
    ... 19 more
Caused by: java.lang.NullPointerException
    at org.apache.maven.artifact.versioning.ComparableVersion.parseVersion(ComparableVersion.java:354)
    at org.apache.maven.artifact.versioning.ComparableVersion.<init>(ComparableVersion.java:345)
    at org.apache.maven.artifact.versioning.DefaultArtifactVersion.parseVersion(DefaultArtifactVersion.java:110)
    at org.apache.maven.artifact.versioning.DefaultArtifactVersion.<init>(DefaultArtifactVersion.java:46)
    at org.codehaus.mojo.sonar.bootstrap.RunnerBootstrapper.isVersionPriorTo5Dot2(RunnerBootstrapper.java:192)
    at org.codehaus.mojo.sonar.bootstrap.RunnerBootstrapper.execute(RunnerBootstrapper.java:84)
    ... 22 more
[ERROR] 
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
Sonar analysis completed: FAILURE

这是怎么回事?

解决方案

对于那些对为什么?" 感兴趣的人，我做了更多的挖掘工作，看来这是怎么回事:

• org中. codehaus.sonar:sonar-plugin-api ，但 解决方案

For those interested in "why?", I've done some more digging and what seems to be happening is this:

• RunnerBootstrapper attempts to check whether a version is 5.2+:

• First, serverVersion is retrieved from a launcher created in EmbeddedRunner,

• using IsolatedLauncher creating a proxy of implementation class BatchIsolatedLauncher

• which attempts to read a resource file sq-version.txt containing the version.

This sq-version.txt file is located in org.codehaus.sonar:sonar-plugin-api, but this dependency is not included (even transitively) in the sonar-maven-plugin. All it references sonar-wise is org.sonarsource.sonar-runner:sonar-runner-api.

They seem to have changed the location and name of the version txt file but not updated all code. You might get away with manually adding an sq-version.txt with content 5.2 (no newline) to the plugin classpath (possibly by updating the plugin jar), or add a dependency on sonar-plugin-api, but these are hacks.

The sonar-maven-plugin 2.6 uses sonar-runner 2.4, which is very different from 2.5 that sonar-maven-plugin 2.7 uses (the groupId for sonar-runner has changed domains from org.codehaus.sonar.runner to org.sonarsource.sonar-runner), so it's best to stick to the v2.6 plugin until they have smoothed out the transition and released a few more versions.

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