lookupResult, targetGroups, err = globalIAMSys.LDAPConfig.LookupUserDN(targetUser)
		if err != nil {
			// if not found, check if DN
			if strings.Contains(err.Error(), "User DN not found for:") {
				if isDN {
					// warn user that DNs are not allowed
					writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminLDAPExpectedLoginName, err), r.URL)
				} else {

                        nodeStrList.add(node.getTextContent());
                    }
                } catch (final XPathExpressionException e) {
                    logger.warn("Could not parse a value of " + entry.getKey() + ":" + entry.getValue(), e);
                }
                if (nodeStrList.size() == 1) {
                    buf.append(getResultDataBody(entry.getKey(), nodeStrList.get(0)));

}
```

## 9. Error Handling

### 9.1 Cache Consistency
```java
public class CacheConsistencyManager {
    public void handleInconsistency(String directoryPath, String fileName) {
        log.warn("Cache inconsistency detected for: {}/{}", directoryPath, fileName);
        
        // Invalidate affected cache entries
        DirectoryCacheEntry entry = leaseManager.getCacheEntry(directoryPath);

        final long maxSearchDocSize = fessConfig.getIndexerMaxSearchDocSizeAsInteger().longValue();
        final boolean exceeded = numFound > maxSearchDocSize;
        if (exceeded) {
            logger.warn("Max search document size exceeded: found={}, limit={}. query={}", numFound,
                    fessConfig.getIndexerMaxSearchDocSize(), queryBuilder);
        }

            if (context.options().showErrors().orElse(false)) {
                for (BuilderProblem problem :
                        toolchainsResult.getProblems().problems().toList()) {
                    context.logger.warn(problem.getMessage() + " @ " + problem.getLocation());
                }
            }

            context.logger.info("");
        }
    }

    @Override

                        }
                    }
                }
            } catch (final Exception e) {
                logger.warn("Failed to parse maven-metadata.xml: url={}", pluginUrl, e);
            }
        }
        return list;
    }

    /**
     * Checks if an artifact name should be excluded from the results.
     *

        Artifact managedOriginatingArtifact = versionMap.get(originatingArtifact.getDependencyConflictId());

        if (managedOriginatingArtifact != null) {
            // TODO we probably want to warn the user that he is building an artifact with
            // different values than in dependencyManagement
            if (managedVersions instanceof ManagedVersionMap) {

                    final String msg = e.getMessage();
                    if (StringUtil.isNotEmpty(msg) && msg.contains("index.analyze.max_token_count")) {
                        logger.warn("Failed to parse document (token count exceeded): index={}, message={}", index, msg);
                        return Stream.empty();
                    }
                    throw e;
                }

    val results =
      response.use {
        moshi.adapter(HowsMySslResults::class.java).fromJson(response.body.string())!!
      }

    Platform.get().log("results $results", Platform.WARN)

    assertTrue(results.session_ticket_supported)
    assertEquals("Probably Okay", results.rating)
    // TODO map to expected versions automatically, test ignored for now.  Run manually.

            throw new CIFSException("Invalid encryption parameters");
        }

        // Check if key rotation is needed (including the current message)
        if (needsKeyRotation(message.length)) {
            log.warn("Encryption keys need rotation - will exceed usage limits (bytes: {} + {}, time: {} ms)", bytesEncrypted.get(),
                    message.length, System.currentTimeMillis() - encryptionStartTime);