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

时间： 2024-08-13 12:41:59

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