标签：unsupported major.mi java.lang.unsupporte exception
Exception in thread "main" java.lang.UnsupportedClassVersionError: com/clq/hadoop2/MapperReducer : 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 java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at org.apache.hadoop.util.RunJar.main(RunJar.java:201)这是版本不支持造成的，更改方法：JDK向下兼容，当你的Linux中安装的是1.6时，你的工程代码也要相应的调整为1.6. 重新上传问题解决。Unsupported major.minor version 51.0
标签：unsupported major.mi java.lang.unsupporte exception
原文地址：http://blog.csdn.net/u012516914/article/details/38064155
