Mac OS/X .jar Failure to Open

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Mac OS/X .jar Failure to Open

Hydreigon205 Wed Mar 19 at 23:01:26 (2014)

This has happened with most of my .jar files I have tried to open. Some of them work, and some don't. This is one that doesn't work. It says "File downloaded from internet". I click "open" and then it says "Cannot Open, Check the console for possible error messages". Can you please help me?

phinbella86 Thu Mar 20 at 16:24:57 (2014)

You do have java, right? and if so, what java versoin and what version of OS X?

umby24 Mon Mar 24 at 17:18:04 (2014)

and you should also open up a terminal, cd to the directory, and run 'java ClassicubeLauncher.jar' to see what the console message is.

Hydreigon205 Fri Mar 28 at 22:25:14 (2014)

Yes, I have Java. Version is 10.5.8 on the Mac, and umby I'll try that, thanks I'll post again if there are more issues.

Hydreigon205 Sun Mar 30 at 3:24:36 (2014)

Alright here's what my terminal says:

(Censored)-imac-5:~ (Censored)$ cd /Users/(Censored)/Desktop/ClassiCube.jar -bash: cd: /Users/(Censored)/Desktop/ClassiCube.jar: Not a directory (Censored)-imac-5:~ (Censored)$ java ClassicubeLauncher.jar Exception in thread "main" java.lang.NoClassDefFoundError: ClassicubeLauncher/jar Caused by: java.lang.ClassNotFoundException: ClassicubeLauncher.jar at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) (Censored)-imac-5:~ (Censored)$

That is what the terminal says, and my mac username is not (Censored), obviously I censored the username after copy/paste so you don't know what it is. Anyway, any fix to my problem? Because this only happens with certain jar files. It would be great if my problem could be fixed, jar files such as minecraft.net's server console or others (I won't advertise)?

umby24 Sun Mar 30 at 21:13:30 (2014)

try out java -jar ClassicubeLauncher.jar

AndrewPH time for dominate Sun Mar 30 at 21:39:12 (2014)

In order to use ClassiCube, you need Java 7.

Java 7 is only available officially for Mac OS 10.7.3 and higher. There are unofficial distributions, but it would be wisest to simply update your OS if available.