synchronized boolean verifyConnection() {
		if (serverHandle == null) {
			return false;
		}
		try {
			serverHandle.connected();
		}
		catch (NotConnectedException | RemoteException e) {
			if (!recoverConnection(e)) {
				return false;
			}
		}
		catch (IOException e) {
			return false;
		}
		return true;
	}
Returns true if the server handle is already connected
and functioning properly.  A simple remote call is made 
to the handle's connected() method to verify the connection.
Ghidra/Framework/FileSystem/src/main/java/ghidra/framework/client/RepositoryServerAdapter.java