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Apple Computing Products:
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Java Problem
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<blockquote data-quote="soralsokal" data-source="post: 878997" data-attributes="member: 112455"><p>Hey guys,</p><p></p><p>I want to open a *.jar file. </p><p></p><p>While double-clicking (Jar-Launcher) I get "... could not be launchend."</p><p></p><p>While opening with Terminal: "java -jar filename.jar" I get the following message:</p><p></p><p>Exception in thread "main" java.lang.UnsupportedClassVersionError: Bad version number in .class file</p><p> at java.lang.ClassLoader.defineClass1(Native Method)</p><p> at java.lang.ClassLoader.defineClass(ClassLoader.java:675)</p><p> at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)</p><p> at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)</p><p> at java.net.URLClassLoader.access$100(URLClassLoader.java:56)</p><p> at java.net.URLClassLoader$1.run(URLClassLoader.java:195)</p><p> at java.security.AccessController.doPrivileged(Native Method)</p><p> at java.net.URLClassLoader.findClass(URLClassLoader.java:188)</p><p> at java.lang.ClassLoader.loadClass(ClassLoader.java:316)</p><p> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:280)</p><p> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)</p><p> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374)</p><p>gnaus-lamars-macbook-pro-15:username$ </p><p></p><p></p><p>When I go to Java Preferences J2SE5 at the Top. Down is the version 1.4.2. In Software Updates there is nothing new to update.</p><p></p><p>Can anyone help me to get this file running?</p></blockquote><p></p>
[QUOTE="soralsokal, post: 878997, member: 112455"] Hey guys, I want to open a *.jar file. While double-clicking (Jar-Launcher) I get "... could not be launchend." While opening with Terminal: "java -jar filename.jar" I get the following message: Exception in thread "main" java.lang.UnsupportedClassVersionError: Bad version number in .class file at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:675) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124) at java.net.URLClassLoader.defineClass(URLClassLoader.java:260) at java.net.URLClassLoader.access$100(URLClassLoader.java:56) at java.net.URLClassLoader$1.run(URLClassLoader.java:195) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:316) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:280) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374) gnaus-lamars-macbook-pro-15:username$ When I go to Java Preferences J2SE5 at the Top. Down is the version 1.4.2. In Software Updates there is nothing new to update. Can anyone help me to get this file running? [/QUOTE]
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