Maven运行时异常java.lang.UnsupportedClassVersionError的解决方案

时间：2021-02-21 03:30:06

我用的Maven版本为最新版：3.3.9，但是我执行一个简单的clean命令会报如下错误：

Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/maven/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:141)

    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(ClassRealm.java:401)

    at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)

    at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(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(Launcher.java:144)

    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:266)

    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)

    at org.codehaus.classworlds.Launcher.main(Launcher.java:47)

    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 com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)

去网上搜了下，说是jdk版本问题，后来去官网看了一下，就明白了！

Maven运行时异常java.lang.UnsupportedClassVersionError的解决方案

原来Maven的不同版本对Jdk的版本是有要求的，因为公司的jdk是1.6的，所以果断下了个3.2.5版，一切就正常了。

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