* governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

/**
 * System exception class for the Fess search engine.
 * This exception is thrown when system-level errors occur in the Fess application,
 * such as configuration errors, initialization failures, or critical runtime issues.
 */
public class FessSystemException extends RuntimeException {

 * This form extends CreateForm to include fields necessary for updating existing role entries,
 * including tracking information for optimistic locking and audit trails.
 * Roles define permissions and access levels for users within the system.
 *
 */
public class EditForm extends CreateForm {

    /**
     * Creates a new EditForm instance.
     */
    public EditForm() {
        super();
    }

    /**

        for (final SearchHit hit : hits) {
            final Map<String, Object> source = hit.getSourceAsMap();
            events.add(new LogNotificationEvent(((Number) source.get("timestamp")).longValue(), (String) source.get("level"),
                    (String) source.get("loggerName"), (String) source.get("message"), (String) source.get("throwable")));
            docIds.add(hit.getId());
        }

        final RuntimeException middleCause = new RuntimeException("Middle error", rootCause);
        final LlmException exception = new LlmException("Top level error", middleCause);

        assertEquals("Top level error", exception.getMessage());
        assertSame(middleCause, exception.getCause());
        assertSame(rootCause, exception.getCause().getCause());
    }

    @Test

    public static final String FESS_VAR_PATH = "fess.var.path";

    /** Fess log level configuration key. */
    public static final String FESS_LOG_LEVEL = "fess.log.level";

    /** Fess LLM log level configuration key. */
    public static final String FESS_LLM_LOG_LEVEL = "fess.llm.log.level";

    /** Track total hits configuration key. */

        addSystemProperty(cmdList, "fess.log.name", getLogName("fess"), getLogName(StringUtil.EMPTY));
        if (logLevel == null) {
            addSystemProperty(cmdList, "fess.log.level", null, null);
        } else {
            cmdList.add("-Dfess.log.level=" + logLevel);
        }
        stream(fessConfig.getJvmSuggestOptionsAsArray())
                .of(stream -> stream.filter(StringUtil::isNotBlank).forEach(value -> cmdList.add(value)));

                for (final LogNotificationEvent event : batch) {
                    final Map<String, Object> source = new HashMap<>();
                    source.put("hostname", hostname);
                    source.put("level", event.getLevel());
                    source.put("loggerName", event.getLoggerName());
                    source.put("message", event.getMessage());

* Add Javadoc for new methods and classes, following the [Javadoc Style Guide](contributing/JavadocStyleGuide.md). Javadoc is *required* for new public, top-level types.
* For new features, the feature should be mentioned in the [Release Notes](platforms/documentation/docs/src/docs/release/notes.md).

    /**
     * Safely registers a class with Kryo, logging any registration failures at WARN level.
     * <p>
     * This method catches exceptions for individual class registrations to ensure
     * that a failure to register one class doesn't prevent other classes from being registered.
     * Registration failures are logged at WARN level since they may cause serialization errors later.
     * </p>
     *

        Exception rootCause = new IllegalStateException("Root cause");
        Exception middleCause = new RuntimeException("Middle cause", rootCause);
        String message = "Top level dictionary error";
        DictionaryException exception = new DictionaryException(message, middleCause);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());