在AWS中加载客户端凭据的一种常见方法是使用AWS SDK提供的凭据提供者。以下是一个使用Java代码示例的解决方法：

import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.client.builder.AwsClientBuilder;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.GetObjectRequest;
import com.amazonaws.services.s3.model.S3Object;

public class AWSCredentialsExample {

    public static void main(String[] args) {
        // 定义凭据信息
        String accessKey = "YOUR_ACCESS_KEY";
        String secretKey = "YOUR_SECRET_KEY";

        // 构建凭据提供者
        BasicAWSCredentials credentials = new BasicAWSCredentials(accessKey, secretKey);
        AWSStaticCredentialsProvider credentialsProvider = new AWSStaticCredentialsProvider(credentials);

        // 创建S3客户端
        AmazonS3 s3Client = AmazonS3ClientBuilder.standard()
                .withCredentials(credentialsProvider)
                .withEndpointConfiguration(new AwsClientBuilder.EndpointConfiguration("S3_ENDPOINT", "S3_REGION"))
                .build();

        // 使用S3客户端加载对象
        String bucketName = "YOUR_BUCKET_NAME";
        String key = "YOUR_OBJECT_KEY";
        GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, key);
        S3Object object = s3Client.getObject(getObjectRequest);

        // 处理对象数据
        // ...

        // 关闭S3客户端
        s3Client.shutdown();
    }
}

请确保将示例代码中的以下值替换为您自己的值：

• YOUR_ACCESS_KEY：您的AWS访问密钥的访问键
• YOUR_SECRET_KEY：您的AWS访问密钥的秘密键
• S3_ENDPOINT：S3端点的URL（如：https://s3.amazonaws.com）
• S3_REGION：S3存储桶所在的AWS区域（如：us-west-2）
• YOUR_BUCKET_NAME：要访问的S3存储桶名称
• YOUR_OBJECT_KEY：要加载的对象的键