// which implements Serializable
        assertTrue(exception instanceof java.io.Serializable);
    }

    public void test_longMessageHandling() {
        // Test with very long message
        StringBuilder longMessage = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longMessage.append("Storage error ").append(i).append(" ");

            assertTrue(e instanceof SearchQueryException);
        } catch (Exception e) {
            fail("Should have caught as FessSystemException");
        }
    }

    public void test_longMessageHandling() {
        // Test handling of long messages
        StringBuilder longMessage = new StringBuilder();
        for (int i = 0; i < 1000; i++) {