C:\j2sdk1.4.2_09\bin>java -jar QOProxy.jar
Exception in thread "main" java.lang.UnsupportedClassVersionError: QOProxy (Unsu
pported major.minor version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java :539)
at java.security.SecureClassLoader.defineClass(Secure ClassLoader.java:12
3)
at java.net.URLClassLoader.defineClass(URLClassLoader .java:251)
at java.net.URLClassLoader.access$100(URLClassLo ader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader. java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.j ava:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:2 89)
at sun.misc.Launcher$AppClassLoader.loadClass(La uncher.java:274)
at java.lang.ClassLoader.loadClass(ClassLoader.java:2 35)
at java.lang.ClassLoader.loadClassInternal(ClassLoade r.java:302)