无法使用Java在Amazon S3中上载文件

import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.PutObjectRequest;

public class S3Uploader {
    public static void main(String[] args) {
        String accessKey = "YOUR_ACCESS_KEY";
        String secretKey = "YOUR_SECRET_KEY";
        String bucketName = "YOUR_BUCKET_NAME";
        String filePath = "PATH_TO_YOUR_FILE";

        BasicAWSCredentials credentials = new BasicAWSCredentials(accessKey, secretKey);
        AmazonS3 s3Client = AmazonS3ClientBuilder.standard()
                .withCredentials(new AWSStaticCredentialsProvider(credentials))
                .build();

        s3Client.putObject(new PutObjectRequest(bucketName, "OBJECT_KEY", new File(filePath)));
        System.out.println("File uploaded successfully.");
    }
}