when(tree.getSession()).thenReturn(session);
        when(tree.acquire(false)).thenReturn(tree);
        when(session.getTransport()).thenReturn(transport);
        when(transport.isDisconnected()).thenReturn(false);
        when(transport.getRemoteHostName()).thenReturn("host");
        setTree(c, tree);

        SmbResourceLocatorImpl loc = new SmbResourceLocatorImpl(ctx, smbUrl("smb://host/share/"));

                        if (response.isReceived() && !response.isError() && response.getErrorCode() == NtStatus.NT_STATUS_SUCCESS) {
                            if (!transport.isDisconnected()) {
                                treeConnected(transport, sess, response);
                            }
                            throw se;
                        }
                    }

        try (SmbSessionImpl session = getSession()) {
            if (isConnected()) {
                try (SmbTransportImpl transport = session.getTransport()) {
                    if (transport.isDisconnected() || transport.getRemoteHostName() == null) {
                        /*
                         * Tree/session thinks it is connected but transport disconnected

        return this.credentials;
    }

    /**
     * @return whether the session is connected
     */
    public boolean isConnected() {
        return !this.transport.isDisconnected() && this.connectionState.get() == 2;
    }

    /**
     * @return whether the session has been lost
     */
    public boolean isFailed() {
        return this.transport.isFailed();
    }