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  • Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/ma ven/cli/Maven

    安装maven 中出现例如以下异常:

    Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/ma
    ven/cli/MavenCli : Unsupported major.minor version 51.0
            at java.lang.ClassLoader.defineClass1(Native Method)
            at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
            at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
            at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:14
    1)
            at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
            at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
            at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
            at java.security.AccessController.doPrivileged(Native Method)
            at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
            at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(Cl
    assRealm.java:401)
            at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(
    SelfFirstStrategy.java:42)
            at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadCl
    ass(ClassRealm.java:271)
            at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm
    .java:254)
            at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm
    .java:239)
            at org.codehaus.plexus.classworlds.launcher.Launcher.getMainClass(Launch
    er.java:144)
            at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Laun
    cher.java:266)
            at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.jav
    a:229)
            at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(La
    uncher.java:415)
            at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:
    356)


    出现如上异常 : 由于之前jdk的版本号是 1.6  maven 版本号是 3.3   由于maven 3.3 jdk必须是 jdk7 所以从重装jdk 就可以 


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  • 原文地址:https://www.cnblogs.com/gcczhongduan/p/5160706.html
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