}
        if (doc == null) {
            saveError(messages -> messages.addErrorsDocidNotFound(GLOBAL, form.docId));
            return redirect(ErrorAction.class);
        }
        final String url = DocumentUtil.getValue(doc, fessConfig.getIndexFieldUrl(), String.class);
        if (url == null) {
            saveError(messages -> messages.addErrorsDocumentNotFound(GLOBAL, form.docId));

        // Test constructor with message only
        String message = "SSO login failed";
        SsoLoginException exception = new SsoLoginException(message);

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

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

                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsFailedToUploadKuromojiFile(GLOBAL),
                        () -> redirectWith(getClass(), moreUrl("uploadpage/" + form.dictId)));
            }
            saveInfo(messages -> messages.addSuccessUploadKuromojiFile(GLOBAL));

        // Test constructor with empty message
        String message = "";
        PluginException exception = new PluginException(message);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

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

        // Test that getMessage returns consistent results
        String message = "Consistent message";
        JobNotFoundException exception = new JobNotFoundException(message);

        assertEquals(message, exception.getMessage());
        assertEquals(message, exception.getMessage()); // Call twice to verify consistency
        assertEquals(message, exception.getLocalizedMessage());
    }

    public void test_toString() {

        // Test constructor with empty message
        String message = "";
        DictionaryException exception = new DictionaryException(message);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withLongMessage() {
        // Test constructor with long message
        StringBuilder sb = new StringBuilder();

        // Test constructor with empty message
        String message = "";
        StorageException exception = new StorageException(message);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

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

                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsFailedToUploadSynonymFile(GLOBAL),
                        () -> redirectWith(getClass(), moreUrl("uploadpage/" + form.dictId)));
            }
            saveInfo(messages -> messages.addSuccessUploadSynonymFile(GLOBAL));

/**
 * Test class for CurlException.
 * Tests exception creation, message handling, and cause propagation.
 */
public class CurlExceptionTest {

    @Test
    public void testConstructorWithMessage() {
        String message = "Test error message";
        CurlException exception = new CurlException(message);

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());

      super(message);
    }

    public ExceptionWithManyConstructorsButOnlyOneThrowable(
        String message, String a1, String a2, String a3) {
      super(message);
    }

    public ExceptionWithManyConstructorsButOnlyOneThrowable(String message, Throwable antecedent) {
      super(message);
      this.antecedent = antecedent;
    }

    public ExceptionWithManyConstructorsButOnlyOneThrowable(