assertNotNull(thumbnailManager.thumbnailTaskQueue);
    }

    // Test initialization with system property
    public void test_init_withSystemProperty() {
        File customDir = new File(tempDir, "custom");
        System.setProperty(Constants.FESS_THUMBNAIL_PATH, customDir.getAbsolutePath());
        try {
            ThumbnailManager manager = new ThumbnailManager() {

> **This list is non exhaustive, it depends on the operating system and filesystem under use - please consult your operating system vendor for a more comprehensive list of special characters**.

MinIO recommends using Linux operating system for production workloads.

import jakarta.validation.constraints.Min;
import jakarta.validation.constraints.Size;

/**
 * Form class for editing general system settings in the admin interface.
 * This form handles global configuration settings that affect the entire Fess system,
 * including crawling behavior, authentication, logging, and various system parameters.
 *
 */
public class EditForm {

    /**
     * Creates a new EditForm instance.
     */

        .readTimeout(500, TimeUnit.MILLISECONDS)
        .build();
    try (Response response = client1.newCall(request).execute()) {
      System.out.println("Response 1 succeeded: " + response);
    } catch (IOException e) {
      System.out.println("Response 1 failed: " + e);
    }

    // Copy to customize OkHttp for this request.
    OkHttpClient client2 = client.newBuilder()

            verify(mockNdrBuffer).enc_ndr_string("system");
            verify(mockNdrBuffer).enc_ndr_long(123);
        }

        @Test
        @DisplayName("Should encode input with null system name")
        void testEncodeInNullSystemName() throws NdrException {
            // Given: Connect2 message with null system name

     */
    public boolean isAuthenticationError() {
        return errorCode.getCategory() == ErrorCategory.AUTHENTICATION;
    }

    /**
     * Check if this is a file system error
     *
     * @return true if file system error
     */
    public boolean isFileSystemError() {
        return errorCode.getCategory() == ErrorCategory.FILE_SYSTEM;
    }

    /**
     * Check if this is a transient error

 */
package okhttp3

import java.net.InetAddress
import java.net.UnknownHostException
import okhttp3.Dns.Companion.SYSTEM

/**
 * A domain name service that resolves IP addresses for host names. Most applications will use the
 * [system DNS service][SYSTEM], which is the default. Some applications may provide their own
 * implementation to use a different DNS server, to prefer IPv6 addresses, to prefer IPv4 addresses,

        pos += 4;

        // Write payload data: input then output
        if (inputCount > 0 && inputBytes != null) {
            System.arraycopy(inputBytes, 0, buf, pos, inputCount);
            pos += inputCount;
        }
        if (outputCount > 0 && outputBytes != null) {
            System.arraycopy(outputBytes, 0, buf, pos, outputCount);
        }
        return buf;
    }

                                .param("q", "curl4j")
                                .header("Accept", "application/json")
                                .executeSync()) {
    System.out.println("Status: " + response.getHttpStatusCode());
    System.out.println(response.getContentAsString());
}
```

### Asynchronous request

```java
import org.codelibs.curl.Curl;

Curl.post("https://api.example.com/items")

        // Set number of entries
        setNumEntries(response, 1);

        // Write share name (13 bytes, null padded)
        byte[] nameBytes = shareName.getBytes(StandardCharsets.US_ASCII);
        System.arraycopy(nameBytes, 0, buffer, bufferIndex, Math.min(nameBytes.length, 13));
        bufferIndex += 14;

        // Write type (2 bytes)
        SMBUtil.writeInt2(shareType, buffer, bufferIndex);