```
- Use asynchronous import via Admin UI instead of API

#### Issue: Special characters in documents not displaying correctly

**Solution**:
- Ensure source files are UTF-8 encoded
- Check `fess_config.properties`:
  ```properties
  crawler.document.encoding=UTF-8
  ```
- Verify HTML entity encoding in content

### Log Files

Check these logs for troubleshooting:

    }
  }

  /**
   * Reads a byte stream, which was written by {@linkplain #writeTo(OutputStream)}, into a {@code
   * BloomFilter}.
   *
   * <p>The {@code Funnel} to be used is not encoded in the stream, so it must be provided here.
   * <b>Warning:</b> the funnel provided <b>must</b> behave identically to the one used to populate
   * the original Bloom filter!
   *

func dumpRequest(r *http.Request) string {
	header := r.Header.Clone()
	header.Set("Host", r.Host)
	// Replace all '%' to '%%' so that printer format parser
	// to ignore URL encoded values.
	rawURI := strings.ReplaceAll(r.RequestURI, "%", "%%")
	req := struct {
		Method     string      `json:"method"`
		RequestURI string      `json:"reqURI"`
		Header     http.Header `json:"header"`

	}

	// Check if a session policy is set. If so, decode it here.
	sp, spok := claims.Lookup(policy.SessionPolicyName)
	if spok {
		// Looks like subpolicy is set and is a string, if set then its
		// base64 encoded, decode it. Decoding fails reject such
		// requests.
		spBytes, err := base64.StdEncoding.DecodeString(sp)
		if err != nil {
			// Base64 decoding fails, we should log to indicate

  private static SuccessorsFunction<Character> createUndirectedGraph(String... edges) {
    return createGraph(/* directed= */ false, edges);
  }

  /**
   * Creates a graph from a list of node pairs (encoded as strings, e.g. "ab" means that this graph
   * has an edge between 'a' and 'b').
   *
   * <p>The {@code successors} are always returned in alphabetical order.
   */

        }
      }
    ```

### Posting form parameters ([.kt][PostFormKotlin], [.java][PostFormJava])

Use `FormBody.Builder` to build a request body that works like an HTML `<form>` tag. Names and values will be encoded using an HTML-compatible form URL encoding.

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client = OkHttpClient()

      fun run() {
        val formBody = FormBody.Builder()

 *  Fix: Fail fast when the cache is corrupted.
 *  Fix: Fail fast when a private key cannot be encoded.
 *  Fix: Fail fast when attempting to verify a non-ASCII hostname.
 *  Upgrade: [GraalVM 21][graalvm_21].
 *  Upgrade: [Kotlin 1.4.20][kotlin_1_4_20].


## Version 5.0.0-alpha.1

_2021-01-30_

**This release adds initial support for [GraalVM][graalvm].**

   */
  public static final MediaType TSV_UTF_8 = createConstantUtf8(TEXT_TYPE, "tab-separated-values");

  public static final MediaType VCARD_UTF_8 = createConstantUtf8(TEXT_TYPE, "vcard");

  /**
   * UTF-8 encoded <a href="https://en.wikipedia.org/wiki/Wireless_Markup_Language">Wireless Markup
   * Language</a>.
   *
   * @since 13.0
   */
  public static final MediaType WML_UTF_8 = createConstantUtf8(TEXT_TYPE, "vnd.wap.wml");

        // The actual implementation reassigns _dst = _dst.deferred inside encode(), so we can't verify the exact buffer
        verify(objAttr.root_directory).encode(any(NdrBuffer.class));
        verify(objAttr.object_name).encode(any(NdrBuffer.class));
        verify(objAttr.security_quality_of_service).encode(any(NdrBuffer.class));
    }

    @Test

# Comma-separated list of required parameter keys that must be present to store in cookies.
cookie.search.parameter.required_keys=q
# Maximum length of the encoded search parameters stored in cookies.
cookie.search.parameter.max.length=1000
# Cookie name used to store encoded search parameters before SSO login.
cookie.search.parameter.name=fsrp
# Whether to set HttpOnly attribute to the search parameter cookie.