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From Timothy Bish <>
Subject Re: making ExceptionListener#onException behave based on Exception type
Date Mon, 25 Jun 2007 14:41:39 GMT
Have you tried casting the CMSException to the various types that you 
want to handle? wrote:
> Hello
> I'm using ActiveMQ-CPP 2.0.1. In my program, I want to handle exceptions thrown
> by a Connection object, through its ExceptionListener, and act differently
> depending on the type of exception that occured.
> So, I set my implementation of ExceptionListener for the Connection, so that
> my implementation of onException(CMSException) method is called whenever an
> error occurs. Inside this method, I can get the stack trace, and the message
> from the CMSException object. But I cannot get its type (IOException,
> IllegalStateException, etc...).
> To behave differently depending on the Exception type, I tried the following :
> - Implementing multiple ExceptionListener#onException taking different types of
> exceptions doesn't work.
> - Throwing the exception and catching again is not possible, since CMSException
> is abstract.
> - Using typeid() to find the type requires RTTI to be enabled. Using typeid does
> not seems to be a good design, and it is not recommended in the company I work.
> - Parsing the error message is a last ressort.
> Is there another solution I missed ?

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