}

    public void test_instanceOfFessSystemException() {
        // Test that ScriptEngineException is an instance of FessSystemException
        ScriptEngineException exception = new ScriptEngineException("test");

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);

        assertNull(exception.getCause());
    }

    public void test_inheritance() {
        // Test that ThemeException properly extends FessSystemException
        ThemeException exception = new ThemeException("Test");

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);

            fail("Should have thrown FessSystemException");
        } catch (FessSystemException e) {
            assertTrue(e.getMessage().contains("Invalid pruned tag"));
        }

        try {
            PrunedTag.parse(".css-only");
            fail("Should have thrown FessSystemException");
        } catch (FessSystemException e) {
            assertTrue(e.getMessage().contains("Invalid pruned tag"));

package org.codelibs.fess.opensearch.client;

import org.codelibs.fess.exception.FessSystemException;

/**
 * Exception thrown when search engine client operations fail.
 * This exception wraps underlying search engine errors and provides
 * meaningful error messages for troubleshooting.
 */
public class SearchEngineClientException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**

import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.security.MessageDigestUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.service.CrawlingInfoService;
import org.codelibs.fess.exception.FessSystemException;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.opensearch.client.SearchEngineClient;
import org.codelibs.fess.opensearch.config.exentity.CrawlingConfig;

/**
 * Exception thrown when GSA (Google Search Appliance) configuration errors occur.
 * This exception extends FessSystemException and is used to handle specific
 * configuration-related issues when working with GSA integration.
 *
 */
public class GsaConfigException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**

 */
package org.codelibs.fess.dict;

import org.codelibs.fess.exception.FessSystemException;

/**
 * Exception thrown when dictionary operations encounter errors.
 * This exception is typically used for issues during dictionary file
 * reading, writing, parsing, or other dictionary-related operations.
 */
public class DictionaryException extends FessSystemException {

    /** Serial version UID for serialization. */

     * @return an array containing [hour, minute]
     * @throws FessSystemException if the time format is invalid
     */
    protected static int[] parseTime(final String time) {
        final String[] froms = time.split(":");
        if (froms.length != 2) {
            throw new FessSystemException("Invalid format: " + time);
        }
        final int[] values = new int[2];

     * @throws FessSystemException if no suitable extractor can be found
     */
    @Override
    protected Extractor getExtractor(final ResponseData responseData) {
        final ExtractorFactory extractorFactory = ComponentUtil.getExtractorFactory();
        if (extractorFactory == null) {
            throw new FessSystemException("Could not find extractorFactory.");
        }

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
    }

    public void test_constructor_withMessageAndCause() {
        // Test constructor with message and cause