Sorry to be late in reacting, but exactly this happened to me
when Java's classes.zip is not on the classpath.
Fix by putting classes.zip on the class path when invoking java.
>Vikash Kodati wrote:
>> I installed the jython2.0 ad tried to invoke the interpreter. It gives
>> the following errors.
>> Unable to initialize threads: cannot find class java/lang/Thread
>First of all, this should probably by in 'jython-user', not '-dev'. But
>in any case...
>What JDK are you using? Are you using 'jython.bat' to start the
>interpreter? If so, look and see what 'java.exe' it is looking for. Then
>in the corresponding '\lib' directory, I have 'rt.jar' that has
>'java/lang/Thread' in it.
>If you are on Linux, you can use a similar method to determine the
>You have access to the complete source for everything, so tracking down
>problems is usually straightforward (if not easy ;^) ...)
>Jim Adrig _ \<,_
>jim@... ' `/ ' `
> ___________ `-' `-'
>"There are many ways of moving forward,
> but only one way of standing still."
> - Franklin D. Roosevelt
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