{
while (!_registry.isEmpty())
{
AMQProtocolSession connection = _registry.get(0);
connection.closeConnection(0, new AMQConnectionException(AMQConstant.INTERNAL_ERROR, "Broker is shutting down",
0, 0,
connection.getProtocolOutputConverter().getProtocolMajorVersion(),
connection.getProtocolOutputConverter().getProtocolMinorVersion(),
(Throwable) null), true);
}