- Resource closure on failed extraction
- Improved error messages with context
- Input validation using `validateInputStream()`

**Covered Extractors**:
- MsWordExtractor
- MsExcelExtractor
- MsPowerPointExtractor
- TextExtractor

**Test Count**: 8 tests

**Key Scenarios**:
- ✅ Successful extraction closes resources properly
- ✅ Failed extraction includes descriptive error messages

                        new org.apache.poi.hssf.extractor.ExcelExtractor(workbook)) {
            return new ExtractData(excelExtractor.getText());
        } catch (final IOException e) {
            throw new ExtractException("Failed to extract text from Excel document.", e);
        }
    }

            return new ExtractData(wordExtractor.getText());
        } catch (final IOException e) {
            throw new ExtractException("Failed to extract text from Word document.", e);
        }
    }

            return asHtml(virtualHost(path_Login_NewpasswordJsp));
        } catch (final LoginFailureException lfe) {
            if (logger.isInfoEnabled()) {
                logger.info("Login failed for user: username={}, reason={}", username, lfe.getMessage());
            }
            activityHelper.loginFailure(OptionalThing.of(new LocalUserCredential(username, password)));

            }
            throw e;
        } catch (final Exception e) {
            // Log and return null for other exceptions to maintain backward compatibility
            logger.warn("Failed to evaluate Groovy script: template={}, parameters={}", template, safeParamMap, e);
            return null;
        } finally {
            // Properly clean up GroovyClassLoader resources

        REGISTERING,
        /** Registration is active and confirmed */
        REGISTERED,
        /** Unregistration is in progress */
        UNREGISTERING,
        /** Registration has failed */
        FAILED,
        /** Registration has expired due to timeout */
        EXPIRED
    }

    /**
     * Creates a new witness registration.
     *
     * @param shareName the SMB share name to monitor

    if (credential == response.request.header("Authorization")) {
      return null // If we already failed with these credentials, don't retry.
     }
    ```

    You may also skip the retry when you’ve hit an application-defined attempt limit:

    ```kotlin
    if (response.responseCount >= 3) {
      return null // If we've failed 3 times, give up.
    }
    ```

            throw new ExtractException("Failed to extract data.", e);
        } finally {
            if (dfos != null && !dfos.isInMemory()) {
                final File file = dfos.getFile();
                try {
                    Files.delete(file.toPath());
                } catch (final IOException e) {
                    logger.warn("Failed to delete {}.", file.getAbsolutePath(), e);
                }

            bigThreadConstructor.newInstance(
                (ThreadGroup) null, finalizer, threadName, defaultStackSize, inheritThreadLocals);
      } catch (Throwable t) {
        logger.log(
            Level.INFO, "Failed to create a thread without inherited thread-local values", t);
      }
    }
    if (thread == null) {
      thread = new Thread((ThreadGroup) null, finalizer, threadName);
    }
    thread.setDaemon(true);

            try (InputStream inputStream = form.stemmerOverrideFile.getInputStream()) {
                file.update(inputStream);
            } catch (final IOException e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsFailedToUploadStemmeroverrideFile(GLOBAL),
                        () -> redirectWith(getClass(), moreUrl("uploadpage/" + form.dictId)));