这个错误通常是由于AWS认证凭据没有正确配置或使用错误区域引起的。建议检查您使用的AWS凭据是否正确，并确保您在请求S3 API时使用正确的区域。

以下是一个示例代码，演示如何使用AWS SDK for Java在正确的区域（US_EAST_1）请求S3 API：

import com.amazonaws.AmazonClientException;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.auth.profile.ProfileCredentialsProvider;
import com.amazonaws.regions.Region;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.ObjectMetadata;
import com.amazonaws.services.s3.model.PutObjectRequest;
import com.amazonaws.services.s3.model.S3Object;

public class S3Sample {
    public static void main(String[] args) throws Exception {
        String bucketName = "***bucket-name***";
        String key = "***object-key***";
        String filePath = "***file-path***";

        Region region = Region.getRegion(Regions.US_EAST_1);

        AmazonS3 s3client = AmazonS3ClientBuilder.standard()
                                .withRegion(region)
                                .withCredentials(new ProfileCredentialsProvider())
                                .build();

        try {
            System.out.println("Uploading a new object to S3 from a file\n");
            s3client.putObject(new PutObjectRequest(
                                     bucketName, key, new File(filePath)));

        } catch (AmazonServiceException ase) {
            System.out.println("Caught an AmazonServiceException, which means " +
            "your request made it to AWS S3, but was rejected with an error response " +
            "for some reason.\n");
            System.out.println("Error Message:    " + ase.getMessage());
            System.out.println("HTTP Status Code: " + ase.getStatusCode());
            System.out.println("AWS Error Code:   " + ase.getErrorCode());
            System.out.println("Error Type:       " + ase.getErrorType());
            System.out.println("Request ID:       " + ase.getRequestId());
        } catch (AmazonClientException ace