log.debug("Change notification failed for: " + handle.directoryPath, e);
                        // Retry after delay
                        try {
                            Thread.sleep(5000);
                        } catch (InterruptedException ie) {
                            Thread.currentThread().interrupt();
                            break;
                        }
                    }

                socket.setSoTimeout(SO_TIMEOUT);

                out = socket.getOutputStream();
                in = socket.getInputStream();
            }

            if (++mid == 32000) {
                mid = 1;
            }
            NEGOTIATE_REQUEST.mid = mid;
            final int n = NEGOTIATE_REQUEST.encode(sbuf, 4);

            final InputStreamThread it = new InputStreamThread(currentProcess.getInputStream(), commandOutputEncoding, maxOutputLine);
            it.start();

            currentProcess.waitFor();
            it.join(5000);

            if (mt.isTeminated()) {
                throw new ExecutionTimeoutException("The command execution is timeout: " + cmdList);
            }

            final int exitValue = currentProcess.exitValue();

        SMBUtil.writeInt4(-1000, buffer, bufferIndex + 11);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 15);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 19);
        SMBUtil.writeInt4(-5000, buffer, bufferIndex + 23);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 27);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 31);
        buffer[bufferIndex + 35] = (byte) 0x80; // 128 as unsigned

            it.start();

            final Process currentProcess = jobProcess.getProcess();
            currentProcess.waitFor();
            it.join(5000);

            final int exitValue = currentProcess.exitValue();

            if (logger.isInfoEnabled()) {
                logger.info("Crawler: Exit Code={} - Process Output:\n{}", exitValue, it.getOutput());

            int newThreshold = currentThreshold;

            // If failure rate is high but response time is normal, be more lenient
            if (failureRate > 0.5 && avgResponseTime < 5000) {
                newThreshold = Math.min(currentThreshold + 2, 15);
            }
            // If failure rate is moderate but response time is very high, be stricter

            log.debug("Unknown host", uhe);
            // Cache negative result for host resolution failures
            this.attrExpiration = currentTime + Math.min(getContext().getConfig().getAttributeCacheTimeout(), 30000);
            return false;
        } catch (final SmbException se) {
            log.trace("exists:", se);
            switch (se.getNtStatus()) {
            case NtStatus.NT_STATUS_NO_SUCH_FILE:

            // Performance check - should complete reasonably fast with optimized locking
            long duration = endTime - startTime;
            assertTrue(duration < 5000, "Concurrent verifies should complete within 5 seconds");
        }
    }

    @Nested
    @DisplayName("Integration Tests")
    class IntegrationTests {

        @Test

                scheduleReconnect(handle, 0);
                break;
                
            case SERVER_REBOOT:
                // Wait before reconnecting
                scheduleReconnect(handle, 5000);
                break;
                
            case HANDLE_EXPIRED:
            case LEASE_BREAK:
                // Release handle, create new one
                releaseAndRecreate(handle);

        return wasInUse;
    }

    @Override
    protected long makeKey(final Request request) throws IOException {
        long m = this.mid.incrementAndGet() - 1;
        if (!this.smb2) {
            m = m % 32000;
        }
        ((CommonServerMessageBlock) request).setMid(m);
        return m;
    }

    @Override
    protected Long peekKey() throws IOException {
        do {