Re: [Jython-users] jython.jar useable when not on classpath?

[<bc...@wo...>]

[Russo, Tom]

>Thanks, that's very helpful.  However, how about this: when I change the
>"import socket" line to:
>
>interp.exec("import os")
>
>I get:
>
><snip>
>Root cause: 
>Traceback (innermost last):
>  File "", line 1, in ?
>java.lang.ExceptionInInitializerError: java.lang.NullPointerException
></snip>
>
>I assume that this is a different problem?  Is there a fix for this one?

Yes, it is fixed in jython-2.1a1.

As a workaround you can assign a value to sys.prefix before importing
"os". The exception is thrown because sys.prefix is null.

regards,
finn