I have been having trouble sometimes passing in null to a method call, particularly 
arrays.  It is weird sometimes null just works, sometimes I have to typecast it, 
sometimes I have to declare a variable and pass the variable in.  I don't have a 
testcase yet because sometimes it works, sometimes it doesn't.

i.e.


  | {
  |    Object[] args = null;
  |    foo.someMethod(args);
  | 
  | OR....
  | 
  |    foo.someMethod((Object[])null); // sometimes this doesn't work either
  | }
  | /code] 
  | 
  | instead of just
  | 
  | 
  |   | {
  |   | 
  |   |    foo.someMethod(null);
  |   | }
  |   | /code] 

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http://www.jboss.org/index.html?module=bb&op=viewtopic&p=3822444#3822444

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