DataStoreException withIOException = new DataStoreException("IO Error", new java.io.IOException("File not found"));
        DataStoreException withNPE = new DataStoreException("NPE Error", new NullPointerException("Null value"));
        DataStoreException withCustom = new DataStoreException("Custom Error", new FessSystemException("System error"));

        assertTrue(withIOException.getCause() instanceof java.io.IOException);

            assertEquals(runtimeException, exception.getCause());
        });

        // Test with error
        Error error = new OutOfMemoryError("Out of memory");
        assertDoesNotThrow(() -> {
            RuntimeCIFSException exception = new RuntimeCIFSException(error);
            assertEquals(error, exception.getCause());
        });
    }

    @Test

- Fix bug to prevent allocation of existing floating IP.
- Fix Cinder authentication bug when OS_DOMAIN_NAME not specified.
- Fix Keystone authentication errors by skipping synchronization for unscoped tokens.
- Fix authentication error for client-auth-plugin
- Fix dependency references from in-tree-provider to point to external provider.
- Add shutdown instance by Provider ID.

            assertEquals("DCERPC_BIND_ERR_PROPOSED_TRANSFER_SYNTAXES_NOT_SUPPORTED", result.getMessage(),
                    "Should return correct error message for code 2");
        }

        @Test
        @DisplayName("getResult should return exception for error code 3")
        void testGetResultError3() throws Exception {
            // Given
            setResultField(bind, 3);

        Throwable ioCause = new java.io.IOException("IO error");
        GsaConfigException ioException = new GsaConfigException("GSA IO error", ioCause);
        assertNotNull(ioException);
        assertTrue(ioException.getCause() instanceof java.io.IOException);

        // Test with custom exception
        Throwable customCause = new FessSystemException("Custom Fess error");

        when(mockChannelManager.getLoadBalancer()).thenReturn(mockLoadBalancer);
    }

    @Test
    void testHandleFailure() {
        IOException error = new IOException("Connection failed");

        failover.handleFailure(failedChannel, error);

        assertEquals(ChannelState.FAILED, failedChannel.getState());
        verify(mockChannelManager).removeChannel(failedChannel);
    }

    @Test

    //                                                                      ==============
    /**
     * Displays the bad request error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the bad request error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {
        return asHtml(virtualHost(path_Error_BadRequestJsp));
    }

<% 
Integer statusCode = (Integer)request.getAttribute("jakarta.servlet.error.status_code");
String servletName = (String)request.getAttribute("jakarta.servlet.error.servlet_name");
String requestUri = (String)request.getAttribute("jakarta.servlet.error.request_uri");
String type = request.getParameter("type");
StringBuilder redirectPage = new StringBuilder();
redirectPage.append(((jakarta.servlet.http.HttpServletRequest)request).getContextPath());

<% 
Integer statusCode = (Integer)request.getAttribute("jakarta.servlet.error.status_code");
String servletName = (String)request.getAttribute("jakarta.servlet.error.servlet_name");
String requestUri = (String)request.getAttribute("jakarta.servlet.error.request_uri");
String type = request.getParameter("type");
StringBuilder redirectPage = new StringBuilder();
redirectPage.append(((jakarta.servlet.http.HttpServletRequest)request).getContextPath());

        // Test with URL, message, exception, and abort set to true
        String url = "http://example.com/test2";
        String message = "Critical error message";
        Exception cause = new IllegalStateException("Critical error");
        boolean abort = true;

        DataStoreCrawlingException exception = new DataStoreCrawlingException(url, message, cause, abort);