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shenlong7777
31-08-2007, 18:08
Ciao a tutti, ho un problema che mi fa impazzire. Eclipse non fa partire nessun programma. Proprio nessuno.
Compare la finestra di popup Java Virtual Machine che dice "Could not find the main class. Program will exit", e l'errore è il seguente:
java.lang.UnsupportedClassVersionError: Prova (Unsupported major.minor version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Exception in thread "main"
Aiuto :mc:

^TiGeRShArK^
31-08-2007, 19:24
Ciao a tutti, ho un problema che mi fa impazzire. Eclipse non fa partire nessun programma. Proprio nessuno.
Compare la finestra di popup Java Virtual Machine che dice "Could not find the main class. Program will exit", e l'errore è il seguente:
java.lang.UnsupportedClassVersionError: Prova (Unsupported major.minor version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Exception in thread "main"
Aiuto :mc:

stai facendo partire programmi compilati per java 5 con una VM precedente (suppongo la 4) :O