[pskmail] JPSKMail on Mac OS X Leopard (reports Java 1.5 or 1.6 version)

  • From: Josh Housey <ab9ft00@xxxxxxxxx>
  • To: pskmail@xxxxxxxxxxxxx
  • Date: Wed, 14 Mar 2012 21:07:36 -0500

Hi All,

I thought I remember before that JPSKMail (older versions) worked with
a Mac OS X that uses Java. I am questioning whether there were any
changes with the client because I cannot run it on my end. I am
testing out if an "older" Mac feasible to for various ham radio
applications other then a Linux netbox. The netbook doesn't have any
problem running jPSKMail though...

The errors I am getting are the following (I am running java -jar
javapskmail.jar on the console):

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:676)
        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$1.run(URLClassLoader.java:195)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:317)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:280)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:375)

If anyone has any suggestions on what to do, that  would be
appreciated. Otherwise, its not a big deal. I probably will end up
dedicating my current Linux netbook (Asus eeePC 900) for it and for
"other" purposes, might consider something a little bit better but
still about the same size.

Thanks.

73
Josh, AB9FT

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