// Securely wipe the old key copy
            secureWipe(currentKey);
            secureWipe(newKey);

            return newVersion;

        } catch (Exception e) {
            log.error("Failed to rotate key for session: {}", sessionId, e);
            throw new GeneralSecurityException("Key rotation failed", e);
        }
    }

    /**

     *
     * @param doc The XML document.
     * @param xpath The XPath expression.
     * @return A list of XPath nodes.
     * @throws XPathExpressionException if an XPath expression error occurs.
     */
    protected XPathNodes getNodeList(final Document doc, final String xpath) throws XPathExpressionException {
        final XPath xPathApi = getXPathAPI().createXPath(f -> {});

  private static AssertionError sanityError(
      Class<?> cls, List<String> explicitTestNames, String description, Throwable e) {
    String message =
        String.format(
            Locale.ROOT,
            "Error in automated %s of %s\n"
                + "If the class is better tested explicitly, you can add %s() to %sTest",
            description,
            cls,
            explicitTestNames.get(0),

		}
		i++
		return true
	})
	if err != io.EOF {
		t.Fatal(err)
	}
}

func Test_metacacheReader_readAll(t *testing.T) {
	r := loadMetacacheSample(t)
	defer r.Close()
	var readErr error
	objs := make(chan metaCacheEntry, 1)
	var wg sync.WaitGroup
	wg.Add(1)
	go func() {
		readErr = r.readAll(t.Context(), objs)
		wg.Done()
	}()
	want := loadMetacacheSampleNames
	i := 0

	apiRouter.Methods(http.MethodGet).Path(SlashSeparator + SlashSeparator).
		HandlerFunc(s3APIMiddleware(api.ListBucketsHandler))

	// If none of the routes match add default error handler routes
	apiRouter.NotFoundHandler = collectAPIStats("notfound", httpTraceAll(errorResponseHandler))
	apiRouter.MethodNotAllowedHandler = collectAPIStats("methodnotallowed", httpTraceAll(methodNotAllowedHandler("S3")))
}

        return lockedGetOrLoad(key, hash, loader);
      } catch (ExecutionException ee) {
        Throwable cause = ee.getCause();
        if (cause instanceof Error) {
          throw new ExecutionError((Error) cause);
        } else if (cause instanceof RuntimeException) {
          throw new UncheckedExecutionException(cause);
        }
        throw ee;
      } finally {

            } catch (final LdapConfigurationException e) {
                logger.warn("LDAP configuration error: {}", e.getMessage(), e);
            } catch (final LdapOperationException e) {
                logger.warn("LDAP connection failed: {}", e.getMessage(), e);
            } catch (final Exception e) {
                logger.warn("Unexpected error during LDAP validation: {}", e.getMessage(), e);
            }
        }
        return isBind;

    assertTrue(elementsEqual(LegacyComparable.VALUES_FORWARD, set));
  }

  public void testLegacyComparable_builder_natural() {
    // Note: IntelliJ wrongly reports an error for this statement
    ImmutableSortedSet.Builder<LegacyComparable> builder =
        ImmutableSortedSet.<LegacyComparable>naturalOrder();

    builder.addAll(LegacyComparable.VALUES_BACKWARD);

                            } else if (logger.isWarnEnabled()) {
                                logger.warn(msg);
                            } else if (logger.isErrorEnabled()) {
                                logger.error(msg);
                            }
                        }
                    } catch (final Exception e) {
                        logger.warn(e.getLocalizedMessage());
                    }

- Async handling of lease breaks

### 9.3 Network Efficiency
- Batch lease requests when possible
- Implement lease key reuse for related files
- Optimize lease break acknowledgment timing

## 10. Error Handling

### 10.1 Lease Break Timeout
```java
public void handleLeaseBreakWithTimeout(Smb2LeaseKey key, int newState) {
    CompletableFuture<Void> future = CompletableFuture.runAsync(() -> {