} catch (SmbException se) {
                            if (SmbTransport.log.level >= 2) {
                                SmbTransport.log.println( "Failed validate DC: " + dc_list[i] );
                                if (SmbTransport.log.level > 2)
                                    se.printStackTrace( SmbTransport.log );
                            }
                        }

            }
            return this.handle;
        }
        return this.handle.acquire();
    }


    protected static IOException seToIoe ( SmbException se ) {
        IOException ioe = se;
        Throwable root = se.getCause();
        if ( root instanceof TransportException ) {
            ioe = (TransportException) root;
            root = ( (TransportException) ioe ).getCause();
        }

        }
    }

    public static final int SE_GROUP_MANDATORY = 1;
    public static final int SE_GROUP_ENABLED_BY_DEFAULT = 2;
    public static final int SE_GROUP_ENABLED = 4;
    public static final int SE_GROUP_OWNER = 8;
    public static final int SE_GROUP_USE_FOR_DENY_ONLY = 16;
    public static final int SE_GROUP_RESOURCE = 536870912;
    public static final int SE_GROUP_LOGON_ID = -1073741824;

                    throw e;
                }
            }
            catch ( SmbException se ) {
                log.trace("copyTo0", se);
                if ( se.getNtStatus() != NtStatus.NT_STATUS_ACCESS_DENIED && se.getNtStatus() != NtStatus.NT_STATUS_OBJECT_NAME_COLLISION ) {
                    throw se;
                }
            }
        }

                    try {
                        return interrogate(getTransportContext(), this.dcList[ i ]);
                    }
                    catch ( SmbException se ) {
                        log.warn("Failed validate DC: " + this.dcList[ i ], se);
                    }
                    this.dcList[ i ] = null;
                }
            }

            /*

        try {
            EVERYONE = new SID("S-1-1-0");
            CREATOR_OWNER = new SID("S-1-3-0");
            SYSTEM = new SID("S-1-5-18");
        }
        catch ( SmbException se ) {
            log.error("Failed to create builtin SIDs", se);
        }
    }


    /**
     * Convert a sid_t to byte array
     * 
     * @param sid
     * @return byte encoded form
     */

        }
    }
    public static final int SE_GROUP_MANDATORY = 1;
    public static final int SE_GROUP_ENABLED_BY_DEFAULT = 2;
    public static final int SE_GROUP_ENABLED = 4;
    public static final int SE_GROUP_OWNER = 8;
    public static final int SE_GROUP_USE_FOR_DENY_ONLY = 16;
    public static final int SE_GROUP_RESOURCE = 536870912;
    public static final int SE_GROUP_LOGON_ID = -1073741824;

     */

    public static void setProperties( Properties prp ) {
        Config.prp = new Properties( prp );
        try {
            Config.prp.putAll( System.getProperties() );
        } catch( SecurityException se ) {
            if( log.level > 1 )
                log.println( "SecurityException: jcifs.smb1 will ignore System properties" );
        }
    }

    /**

        for ( int i = s; i < e; i++ ) {
            StackTraceElement se = stackTrace[ i ];

            if ( i == s && SmbTreeImpl.class.getName().equals(se.getClassName()) && "close".equals(se.getMethodName()) ) {
                s++;
                continue;
            }

            if ( se.getClassName().startsWith("org.junit.runners.") ) {
                e = i - 4;
                break;

                if( log.level > 2 )
                    sae.printStackTrace( log );
            } catch( SmbException se ) {
                if( log.level > 2 )
                    se.printStackTrace( log );
                if( se.getNtStatus() != se.NT_STATUS_UNSUCCESSFUL ) {
                    throw se;
                }
            }
            if( dirents[i].isDirectory() ) {
                dirCount++;