Paul,

You were correct.  My  AppServerCategory had:

       private static CategoryFactory factory = new new
AppServerCategoryFactory();

When my AppServerCategory  getInstance() method was called, factory was still
null.  It appears I had a problem with the order of static initialization.  I
changed factory to lazy initialization, and it now works fine.

Thanks for your help,
Ernie




|--------+----------------------->
|        |          Paul Glezen  |
|        |          <pglezen@atdi|
|        |          al.net>      |
|        |                       |
|        |          07/06/01     |
|        |          03:42 PM     |
|        |                       |
|--------+----------------------->
  >----------------------------------------------------------------------------|
  |                                                                            |
  |       To:     LOG4J Users Mailing List <[EMAIL PROTECTED]>     |
  |       cc:     (bcc: Ernie Parker/CHI/NTRS)                                 |
  |       Subject:     Re: using default configuration with the AppServer      |
  |       classes                                                              |
  >----------------------------------------------------------------------------|




Ernie,

The stack trace seems to indicate that your
AppServerCategory.getInstance is calling Category.getInstance with a
null factory.  You might want to post your AppServerCategory code.
Without that, it's hard to tell.

- Paul

--
Beware of bugs in the above code.  I have
only proved it correct, not tried it.
-Don Knuth

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