Unhandled exceptions while processing an IQ packet may not always return an IQ error
Description
If an IQHandler does not handle an exception then instead of returning an IQ error of type internal-server-error the client will not get any error. This may produce an endless wait on the client.
If an IQHandler does not handle an exception then instead of returning an IQ error of type internal-server-error the client will not get any error. This may produce an endless wait on the client.