// setting it to `nil` in order test for handlers response for uninitialized object layer.
	globalObjLayerMutex.Lock()
	globalObjectAPI = nil
	globalObjLayerMutex.Unlock()

	// call the HTTP handler.
	apiRouter.ServeHTTP(rec, req)

	// expected error response when the API handler is called before the object layer is initialized,
	// or when objectLayer is `nil`.

    set("a", "a1", "a2")
    val iterator = cache.snapshots()
    cache.close()
    assertThat(iterator.hasNext()).isFalse()
  }

  @Test
  fun isClosed_uninitializedCache() {
    // Create an uninitialized cache.
    cache =
      DiskLruCache(filesystem, cacheDir, appVersion, 2, Int.MAX_VALUE.toLong(), taskRunner).also {
        toClose.add(it)
      }
    assertThat(cache.isClosed()).isFalse()

				logger.Info("Waiting for OpenID to be initialized.. (retrying in %s)", retryInterval)
			}
			if !ldapInit {
				logger.Info("Waiting for LDAP to be initialized.. (retrying in %s)", retryInterval)
			}
			if !authNInit {
				logger.Info("Waiting for AuthN to be initialized.. (retrying in %s)", retryInterval)
			}
			if !authZInit {
				logger.Info("Waiting for AuthZ to be initialized.. (retrying in %s)", retryInterval)
			}

	},
	ErrServerNotInitialized: {
		Code:           "XMinioServerNotInitialized",
		Description:    "Server not initialized yet, please try again.",
		HTTPStatusCode: http.StatusServiceUnavailable,
	},
	ErrIAMNotInitialized: {
		Code:           "XMinioIAMNotInitialized",
		Description:    "IAM sub-system not initialized yet, please try again.",
		HTTPStatusCode: http.StatusServiceUnavailable,
	},

        // Check if Docker is available
        assumeTrue(isDockerAvailable(), "Docker is not available - skipping integration tests");
        assumeTrue(sambaContainer != null, "Container not initialized - Docker not available");

        // Create temporary directory structure for SMB shares
        tempDir = Files.createTempDirectory("smbtest");
        setupTestDirectoryStructure();

	if err != nil {
		scannerLogOnceIf(ctx, err, cache.Info.Name)
		return cache, err
	}

	vcfg, _ := globalBucketVersioningSys.Get(cache.Info.Name)

	// return initialized object layer
	objAPI := newObjectLayerFn()
	// object layer not initialized, return.
	if objAPI == nil {
		return cache, errServerNotInitialized
	}

	poolIdx, setIdx, _ := s.GetDiskLoc()

	disks, err := objAPI.GetDisks(poolIdx, setIdx)

                this.out.close();
                this.in.close();
                this.socket.close();
                log.trace("Socket closed");
            } else {
                log.trace("Not yet initialized");
            }
        } catch (final Exception e) {
            log.debug("Exception in disconnect", e);
        } finally {
            this.socket = null;
            this.digest = null;

	}

	z.decommissionCancelers = make([]context.CancelFunc, len(z.serverPools))

	// Initialize the pool meta, but set it to not save.
	// When z.Init below has loaded the poolmeta will be initialized,
	// and allowed to save.
	z.poolMeta = newPoolMeta(z, poolMeta{})
	z.poolMeta.dontSave = true

	bootstrapTrace("newSharedLock", func() {
		globalLeaderLock = newSharedLock(GlobalContext, z, "leader.lock")

            if (witnessServer != null) {
                witnessClient = new WitnessClient(witnessServer, getContext());
                witnessEnabled = true;

                log.info("Initialized witness support with server: {}", witnessServer);
            }
        } catch (Exception e) {
            log.warn("Failed to initialize witness support", e);
        }
    }

    /**

	_, err = obj.NewMultipartUpload(context.Background(), bucket, object, opts)
	if err == nil {
		t.Fatalf("%s: Expected to fail since the NewMultipartUpload is initialized on a non-existent bucket.", instanceType)
	}
	if errMsg != err.Error() {
		t.Errorf("%s, Expected to fail with Error \"%s\", but instead found \"%s\".", instanceType, errMsg, err.Error())
	}