Rendering block with Form from other component on event

[szmatuafy <To...@Luczynski.org>]

Hello, 

I have following scenario:

1. MenuComponent has eventlink which executes underlying method in
MenuComopnent java class

2. event handler in MenuComponent java class uses a public getter on
ConfigurationComponent to get it's configurationBlock, the
ConfigurationComponent's configurationBlock has a tapestry form defined in
it's .tml file (The ConfigurationComponent is also rendered on this page but
somewhere else, and it's other block - not configurationBlock)

3. event handler in MenuComponent returns multi zone update updating
MenuComponent's zone with ConfigurationComponent's block

4. while the block is being rendered I am getting null pointer exception
from Form class saying renderSupport is null.


So, I have two questions:

1. Is rendering a block from ConfiguratonComponent in MenuComponent's zone a
valid thing I can do?

2. If yes, why this error happens? It doesn't seem to happen always, say
it's 50% of cases when I click the event link and get the error message.
Other 50% it works fine and renders the Form without any problem.

Thanks,
Tom. 
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