用javac编译了一个M.java文件, 然后用java M执行,可是出现了下面这个错误. Exception in thread "main" java.lang.UnsupportedClassVersionError: M : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(C…
错误:Unsupported major.minor version 51.0(jdk版本错误)的解决方法 java.lang.UnsupportedClassVersionError: org/apache/nutch/crawl/Crawl3 : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineCla…
by: java.lang.UnsupportedClassVersionError: com/dayang/product/pubinfo/dao/ProPubInfoDAO : Unsupported major.minor version 52.0 (unable to load class com.dayang.product.pubinfo.dao.ProPubInfoDAO) at org.apache.catalina.loader.WebappClassLoaderBase.fi…
今天使用Tomcat连接sql Server 2008 enterprise的时候,报错: HTTP Status 500 - Servlet execution threw an exception type Exception report message Servlet execution threw an exception description The server encountered an internal error that prevented it from fulfil…