Maven的编译器错误

Question

你好，我已经得到了从我的电脑建立就好了，但是我遇到的其他环境这个问题（服务器）的一个项目：

----------------------------------------------------- 
[INFO] ------------------------------------------------------------------------ 
[ERROR] BUILD ERROR 
[INFO] ------------------------------------------------------------------------ 
[INFO] Internal error in the plugin manager executing goal 'org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile': Unable to load the mojo 'org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile' in the plugin 'org.apache.maven.plugins:maven-compiler-plugin'. A required class is missing: org/codehaus/plexus/compiler/manager/NoSuchCompilerException 
org.codehaus.plexus.compiler.manager.NoSuchCompilerException 
[INFO] ------------------------------------------------------------------------ 
[INFO] For more information, run Maven with the -e switch 
[INFO] ------------------------------------------------------------------------ 
[INFO] Total time: 58 seconds 
[INFO] Finished at: Tue Dec 18 09:45:20 CST 2012 
[INFO] Final Memory: 32M/490M 

这有做与Maven插件编译东西我认为，在这种情况下可以做些什么？

与-e执行每贝希建议：

[INFO] ------------------------------------------------------------------------ 
[INFO] Internal error in the plugin manager executing goal 'org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile': Unable to load the mojo 'org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile' in the plugin 'org.apache.maven.plugins:maven-compiler-plugin'. A required class is missing: org/codehaus/plexus/compiler/manager/NoSuchCompilerException 
org.codehaus.plexus.compiler.manager.NoSuchCompilerException 
[INFO] ------------------------------------------------------------------------ 
[INFO] Trace 
org.apache.maven.lifecycle.LifecycleExecutionException: Internal error in the plugin manager executing goal 'org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile': Unable to load the mojo 'org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile' in the plugin 'org.apache.maven.plugins:maven-compiler-plugin'. A required class is missing: org/codehaus/plexus/compiler/manager/NoSuchCompilerException 
     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:698) 
     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556) 
     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535) 
     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387) 
     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348) 
     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180) 
     at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) 
     at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) 
     at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) 
     at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60) 
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
     at java.lang.reflect.Method.invoke(Method.java:597) 
     at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) 
     at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) 
     at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) 
     at org.codehaus.classworlds.Launcher.main(Launcher.java:375) 
Caused by: org.apache.maven.plugin.PluginManagerException: Unable to load the mojo 'org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile' in the plugin 'org.apache.maven.plugins:maven-compiler-plugin'. A required class is missing: org/codehaus/plexus/compiler/manager/NoSuchCompilerException 
     at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:669) 
     at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:468) 
     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694) 
     ... 17 more 
Caused by: org.codehaus.plexus.component.repository.exception.ComponentLookupException: Unable to lookup component 'org.apache.maven.plugin.Mojoorg.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile', it could not be created 
     at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:335) 
     at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:440) 
     at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:652) 
     ... 19 more 
Caused by: org.codehaus.plexus.component.factory.ComponentInstantiationException: Could not instanciate component: role: 'null', implementation: 'org.apache.maven.plugin.CompilerMojo' 
     at org.codehaus.plexus.component.factory.java.JavaComponentFactory.makeException(JavaComponentFactory.java:77) 
     at org.codehaus.plexus.component.factory.java.JavaComponentFactory.newInstance(JavaComponentFactory.java:62) 
     at org.codehaus.plexus.DefaultPlexusContainer.createComponentInstance(DefaultPlexusContainer.java:1464) 
     at org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:93) 
     at org.codehaus.plexus.component.manager.PerLookupComponentManager.getComponent(PerLookupComponentManager.java:48) 
     at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331) 
     ... 21 more 
Caused by: java.lang.NoClassDefFoundError: org/codehaus/plexus/compiler/manager/NoSuchCompilerException 
     at java.lang.Class.getDeclaredConstructors0(Native Method) 
     at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389) 
     at java.lang.Class.getConstructor0(Class.java:2699) 
     at java.lang.Class.newInstance0(Class.java:326) 
     at java.lang.Class.newInstance(Class.java:308) 
     at org.codehaus.plexus.component.factory.java.JavaComponentFactory.newInstance(JavaComponentFactory.java:44) 
     ... 25 more 
Caused by: java.lang.ClassNotFoundException: org.codehaus.plexus.compiler.manager.NoSuchCompilerException 
     at java.net.URLClassLoader$1.run(URLClassLoader.java:200) 
     at java.security.AccessController.doPrivileged(Native Method) 
     at java.net.URLClassLoader.findClass(URLClassLoader.java:188) 
     at java.lang.ClassLoader.loadClass(ClassLoader.java:303) 
     at org.codehaus.classworlds.RealmClassLoader.loadClassDirect(RealmClassLoader.java:195) 
     at org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:255) 
     at org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:274) 
     at org.codehaus.classworlds.RealmClassLoader.loadClass(RealmClassLoader.java:214) 
     at java.lang.ClassLoader.loadClass(ClassLoader.java:248) 
     at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:316) 
     ... 31 more 

Answer 1

我建议运行

mvn -v 

发现，如果你正在使用两台机器上不同的Maven版本。

同时我会建议升级到更新版本的编译器插件。 2.0.2是非常古老的。如果不是最新的3.0，至少升级到2.3.2甚至2.5.1。

此外，我将指定源和目标的语言水平（例如Java 7的下面），你需要使你最终会得到这样的事情

<plugin> 
    <groupId>org.apache.maven.plugins</groupId> 
    <artifactId>maven-compiler-plugin</artifactId> 
    <version>3.0</version> 
    <configuration> 
    <source>1.7</source> 
    <target>1.7</target> 
    </configuration> 
</plugin> 

这应该要么修复它，或者至少给你更多信息请看下面的内容。

Answer 2

我在做maven clean时遇到过类似的问题。
它使用maven-clean-plugin 2.2版。
添加以下到我的构建和解决的问题：

<plugin> 
     <groupId>org.apache.maven.plugins</groupId> 
     <artifactId>maven-clean-plugin</artifactId> 
     <version>2.5</version> 
</plugin>