Re: [Jython-users] Upgrade from 1.1 to 2.0 problems

[John E. C. <jc...@ve...>]

Hi Finn,

>Not very helpfull I know, but your example works for me. ...you somehow
have both jpython.jar and jython.jar on your
>classpath.

Actually you were most helpful!  While I did make sure I was not using both
jars during my tests, after reading your email, I noticed that I had a
branch of my development tree with jpython classes in it.  

After removing this old code, both problems no longer occurred.

thanks very much,
John

At 09:56 AM 3/23/01 +0000, you wrote:
>[John E. Conlon]
>
>>Hi jython-users,
>>
>>While upgrading to Jython 2.0 from JPython 1.1, I have encountered a couple
>>of comparability problems with my old working code and 2.0.  Enclosed is a
>>java file that demonstrates both problems.
>>
>>Problem #1. This code also throws a java.lang.NullPointerException
>>	at
>>org.python.core.InternalTables.createInternalTables(InternalTables.java:44)
>>
>>If I uncomment the PySystemState.initialize();  line it will run.  I don't
>>need this in 1.1.   Why now?  
>>
>>Problem #2. This code will also (When first problem is not encountered)
>>throw a 
>>Traceback (innermost last):
>>  File "<string>", line 7, in ?
>>java.lang.NoSuchMethodError
>>	at org.python.core.MakeProxies.makeAdapter(MakeProxies.java:40)...
>>
>>If I remove the , 'actionPerformed=exit' from the JButton it will run. This
>>error is not thrown in 1.1.
>
>Not very helpfull I know, but your example works for me. Both with and
>without the initialize() call. The NoSuchMethodError exception could
>indicate that you somehow have both jpython.jar and jython.jar on your
>classpath.
>
>If you can't find the cause of the problems, please post the entire
>stacktraces for both siruations. Maybe that will give me a clue.
>
>regards,
>finn
> 
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John E. Conlon
jc...@ve...
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