How to make exceptions (like channel closed exceptions) reach the sending code.

[王福强]

Since there was such a topic before, I would like to post a similar question
here, Hope you experts can help to clear my head.

most of the sample code will close the channel in exceptionCaught() method,
but I want to know what is the best practice with this?
1- if we catch exception in this method, what we do with it? throw out? or
just logging? or we can do more with it? as I know, if I want to do more
with the exception, maybe I have to refer to some larger scope object
reference.
2- if I close the channel, when this action can influence the
messageReceived() action, why i ask this is that I found even I have called
the close() method of channel in exceptionCaught(), the messageReceived()
keep receiving packets, can u explained this behavior for me? thanks in
advance. 
btw. I use OioClientSocketChannelFactory and work as a client that connect
to some server.


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