关于这个错误:Subversion detected an unsupported working copy version while checking the status of 'XXXX'. Most likely you upgraded another Subversion client (e.g. TortoiseSVN or the SVN client) to a newer version without upgrading your AnkhSVN. 主要原因是AnkhS…
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…