reproduction, and distribution of the Work otherwise complies with
      the conditions stated in this License.

   5. Submission of Contributions. Unless You explicitly state otherwise,
      any Contribution intentionally submitted for inclusion in the Work
      by You to the Licensor shall be under the terms and conditions of
      this License, without any additional terms or conditions.

      reproduction, and distribution of the Work otherwise complies with
      the conditions stated in this License.

   5. Submission of Contributions. Unless You explicitly state otherwise,
      any Contribution intentionally submitted for inclusion in the Work
      by You to the Licensor shall be under the terms and conditions of
      this License, without any additional terms or conditions.

      reproduction, and distribution of the Work otherwise complies with
      the conditions stated in this License.

   5. Submission of Contributions. Unless You explicitly state otherwise,
      any Contribution intentionally submitted for inclusion in the Work
      by You to the Licensor shall be under the terms and conditions of
      this License, without any additional terms or conditions.

    }

    /**
     * Test constructor with null message and valid cause
     */
    public void test_constructor_withNullMessageAndValidCause() {
        Exception cause = new IllegalStateException("State error");
        CrawlerSystemException exception = new CrawlerSystemException(null, cause);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertSame(cause, exception.getCause());

// IsOnline returns true if the peer client is online.
func (client *peerRESTClient) IsOnline() bool {
	conn := client.gridConn()
	if conn == nil {
		return false
	}
	return client.restClient.IsOnline() || conn.State() == grid.StateConnected
}

// Close - marks the client as closed.
func (client *peerRESTClient) Close() error {
	client.restClient.Close()
	return nil
}

     */
    private String getConnectionKey(SmbTransportImpl transport) {
        // Use toString() method which includes port information
        // Format is typically: Transport[address:port,state=...]
        String transportStr = transport.toString();
        int startBracket = transportStr.indexOf('[');
        int endBracket = transportStr.indexOf(',');

            try {
                return send0(loc, request, response, params);
            } catch (final SmbException smbe) {
                // Retrying only makes sense if the invalid parameter is an tree id. If we have a stale file descriptor
                // retrying make no sense, as it will never become available again.
                if (params.contains(RequestParam.NO_RETRY)

#### Content Encryption

    protected LogHelper logHelper;

    /**
     * Factory for creating crawler clients.
     */
    protected CrawlerClientFactory clientFactory;

    /**
     * Context object containing crawler state and configuration.
     */
    protected CrawlerContext crawlerContext;

    /**
     * Flag indicating whether to wait on folder operations.
     */
    protected boolean noWaitOnFolder = false;

            } catch (RuntimeException e) {
                // Accept runtime exceptions that might be thrown due to closed state
                assertTrue(e.getMessage() != null, "Exception should have a message: " + e.getClass().getSimpleName());
            }

            try {
                digest.verify(data, 0, data.length, 0, response);