gorootPath = runtime.GOROOT()
		if gorootPath != "" {
			return
		}

		// runtime.GOROOT is empty — perhaps go_android_exec was built with
		// -trimpath and GOROOT is unset. Try 'go env GOROOT' as a fallback,
		// assuming that the 'go' command in $PATH is the correct one.

		cmd := exec.Command("go", "env", "GOROOT")
		cmd.Stderr = os.Stderr
		out, err := cmd.Output()
		if err != nil {

	}

	meta, err := loadBucketMetadataParse(ctx, objAPI, bucket, parse)
	if err != nil {
		if !globalIsErasure && !globalIsDistErasure && errors.Is(err, errVolumeNotFound) {
			// Only single drive mode needs this fallback.
			meta = newBucketMetadata(bucket)
		} else {
			return updatedAt, err
		}
	}
	updatedAt = UTCNow()
	switch configFile {
	case bucketPolicyConfig:
		meta.PolicyConfigJSON = configData

    } catch (TimeoutException e) {
        // Force lease release if break handling times out
        releaseLease(key);
        log.warn("Lease break timeout for key: {}", key);
    }
}
```

### 10.2 Fallback to Oplocks
```java
if (!context.getConfig().isUseLeases() || !session.supports(SMB3_0)) {
    // Fall back to traditional oplock mechanism
    useOplockInstead();
}
```

## 11. Monitoring and Metrics

        if (startBracket != -1 && endBracket != -1 && endBracket > startBracket) {
            return transportStr.substring(startBracket + 1, endBracket);
        }
        // Fallback: just use address
        return transport.getRemoteAddress().getHostAddress();
    }

    /**
     * Get connection key from address and port
     */

        try (SmbSessionImpl treesess = t.getSession()) {
            if (treesess.getCredentials().isAnonymous() || treesess.getCredentials().isGuest()) {
                // refresh anonymous session or fallback to anonymous from guest login
                try (SmbSessionInternal s =
                        trans.getSmbSession(this.ctx.withAnonymousCredentials(), treesess.getTargetHost(), treesess.getTargetDomain())

callback_router0 = APIRouter()


@callback_router0.get("/")
async def callback0(level0: str):
    pass  # pragma: nocover


callback_router1 = APIRouter()


@callback_router1.get("/")
async def callback1(level1: str):
    pass  # pragma: nocover


callback_router2 = APIRouter()


@callback_router2.get("/")
async def callback2(level2: str):
    pass  # pragma: nocover

                            "Expected root element 'extensions' but found '" + parser.getName() + "'", parser, null);
                } else if (parsed) {
                    // fallback, already expected a XmlPullParserException due to invalid XML
                    throw new XmlPullParserException("Duplicated tag: 'extensions'", parser, null);
                }

                        || isPackagedArtifactUpToDate(project, packagedArtifactFile))) {
            return packagedArtifactFile;
        }

        if (!hasBeenPackagedDuringThisSession(project)) {
            // fallback to loose class files only if artifacts haven't been packaged yet
            // and only for plain old jars. Not war files, not ear files, not anything else.

            if (entry.getInconsistencyCount() > 5) {
                entry.invalidate();
            }
        }
    }
}
```

### 9.2 Fallback Mechanisms
```java
public class DirectoryOperationFallback {
    public SmbFile[] safeListFiles(SmbFile directory) throws IOException {
        try {
            // Try cached listing first

				if split := strings.Split(string(b64), "x"); len(split) == 2 {
					t, err := strconv.ParseInt(split[1], 10, 64)
					if err == nil {
						modTime = time.Unix(0, t)
					}
				}
			}
			// Fallback for older uploads without time in the ID.
			if modTime.IsZero() {
				wait := deleteMultipartCleanupSleeper.Timer(ctx)
				fi, err := disk.ReadVersion(ctx, "", minioMetaMultipartBucket, uploadIDPath, "", ReadOptions{})