从 AEM servlet 调用 AWS kendra API 时出错：我们计算的请求签名与您提供的签名不匹配

Question

import java.io.IOException;
import java.util.List;

import javax.servlet.Servlet;

import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.servlets.SlingAllMethodsServlet;
import org.osgi.service.component.annotations.Component;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
import software.amazon.awssdk.auth.credentials.AwsCredentials;
import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.kendra.KendraClient;
import software.amazon.awssdk.services.kendra.model.AttributeFilter;
import software.amazon.awssdk.services.kendra.model.DocumentAttribute;
import software.amazon.awssdk.services.kendra.model.DocumentAttributeValue;
import software.amazon.awssdk.services.kendra.model.QueryRequest;
import software.amazon.awssdk.services.kendra.model.QueryResponse;




@Component(service = {Servlet.class},
property = {
    "sling.servlet.paths=/bin/cookieservlet"
    }
)

public class CookieServlet extends SlingAllMethodsServlet{

    Logger log = LoggerFactory.getLogger(CookieServlet.class);

    
    protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) throws IOException{
       
        

        String accessKey = "AKIAZI2LI7EJNUUMDP4B";
        String secretKey = "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";
        String indexId = "6cc7a433-d9ea-4c68-9b06-76646d6a2529";

        AwsCredentials awsCredentials = AwsBasicCredentials.create(accessKey, secretKey);

        KendraClient kendraClient = KendraClient.builder()
                                            .region(Region.US_EAST_1)
                                            .credentialsProvider(StaticCredentialsProvider.create(awsCredentials))
                                            .build();



                                            
      
        QueryRequest queryRequest = QueryRequest.builder()
                                        .queryText(searchWord)
                                        .indexId(indexId)
                                        .build();
       QueryResponse queryResult = kendraClient.query(queryRequest);
       if(queryRequest!=null){
        log.info("Query executed successfully",queryRequest);
       }

       response.getWriter().write(queryResult.toString());
       response.sendRedirect(targetPageUrl);

   }
}






 

我正在尝试连接到 aws kendra 并使用以下代码行。 我收到以下错误：

我们计算的请求签名与您提供的签名不匹配。检查您的 AWS 秘密访问密钥和签名方法。有关详细信息，请参阅服务文档。 （服务：Kendra，状态代码：400，请求 ID：06ce1fc5-e040-4939-9a85-3e9b245f7a2e）

Answer 1

您遇到的异常表明您签署请求的方式存在问题。确保您使用的访问密钥和秘密密钥有效，并且具有访问 Kendra 服务的适当权限。仔细检查您使用的值是否正确，因为即使是很小的拼写错误也可能导致签名不正确。 （希望这不是你真正的钥匙）。