log.trace("exists:", se);
            switch ( se.getNtStatus() ) {
            case NtStatus.NT_STATUS_NO_SUCH_FILE:
            case NtStatus.NT_STATUS_OBJECT_NAME_INVALID:
            case NtStatus.NT_STATUS_OBJECT_NAME_NOT_FOUND:
            case NtStatus.NT_STATUS_OBJECT_PATH_NOT_FOUND:
                break;
            default:
                throw se;
            }
        }
        catch ( CIFSException e ) {

            switch (se.getNtStatus()) {
                case NtStatus.NT_STATUS_NO_SUCH_FILE:
                case NtStatus.NT_STATUS_OBJECT_NAME_INVALID:
                case NtStatus.NT_STATUS_OBJECT_NAME_NOT_FOUND:
                case NtStatus.NT_STATUS_OBJECT_PATH_NOT_FOUND:
                    break;
                default:
                    throw se;
            }
        }