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[IDV #UGQ-180978]: Problem starting up IDV 2.7u1 on Mac OS X

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  • Subject: [IDV #UGQ-180978]: Problem starting up IDV 2.7u1 on Mac OS X
  • Date: Tue, 14 Jul 2009 06:49:04 -0600
Hi Christopher-

IDV 2.7u1 requires Java SE 6 (aka 1.6).  You can download it at:

http://support.apple.com/downloads/Java_for_Mac_OS_X_10_5_Update_4

Your system should support that version.

Don Murray

> I get the following fatal error on start up:
> 
> 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:306)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
> at com.install4j.runtime.MacLauncher.main(Unknown Source)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at apple.launcher.LaunchRunner.run(LaunchRunner.java:115)
> at apple.launcher.LaunchRunner.callMain(LaunchRunner.java:50)
> at 
> apple.launcher.JavaApplicationLauncher.launch(JavaApplicationLauncher.java:52)
> 
> More Info:
> hw:  MacBook Air
> OS: Mac OS X 10.5.7
> java: Java(TM) 2 Runtime Environment, Standard Edition (build 
> 1.5.0_19-b02-304)
> Java HotSpot(TM) Client VM (build 1.5.0_19-137, mixed mode, sharing)
> IDV 2.6u2 still starts up successfully
> 
> 


Ticket Details
===================
Ticket ID: UGQ-180978
Department: Support IDV
Priority: Normal
Status: Open