code: @Override
  	public final void start() throws JMSException
      {
      	externalAccessLock.readLock().lock();
      	try
  		{
  	        checkNotClosed();
  	        if (started)
  	            return;
  	        started = true;
  		}
      	finally
      	{
      		externalAccessLock.readLock().unlock();
      	}
      	transportEndpoint.blockingRequest(new StartConnectionQuery());
      }
docs: /* (non-Javadoc)
  @see javax.jms.Connection#start()