我一直在使用AWS SDK for Java通过一个简单的Java程序启动亚马逊EC2实例。我已在代码本身以及 windows>preferences>aws sdk
中提供了我的 secret 和访问 key 。我还将我的凭据添加到我正在使用的 key 中。我仍然收到此错误
Exception in thread "main" com.amazonaws.AmazonServiceException: AWS was not able to validate the provided access credentials (Service: AmazonEC2; Status Code: 401; Error Code: AuthFailure; Request ID: cc82e725-5a8a-44d8-9f7c-2031d6db1e1a)
at com.amazonaws.http.AmazonHttpClient.handleErrorResponse(AmazonHttpClient.java:1182)
at com.amazonaws.http.AmazonHttpClient.executeOneRequest(AmazonHttpClient.java:770)
at com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:489)
at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:310)
at com.amazonaws.services.ec2.AmazonEC2Client.invoke(AmazonEC2Client.java:11819)
at com.amazonaws.services.ec2.AmazonEC2Client.startInstances(AmazonEC2Client.java:6153)
at amazon.Amazon.main(Amazon.java:53)
这是我的 Java 代码
package amazon;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.auth.profile.ProfileCredentialsProvider;
import com.amazonaws.regions.Regions;
import com.amazonaws.regions.Region;
import com.amazonaws.services.ec2.AmazonEC2;
import com.amazonaws.services.ec2.AmazonEC2Client;
import com.amazonaws.services.ec2.model.StartInstancesRequest;
import com.amazonaws.services.ec2.model.StartInstancesResult;
public class Amazon
{
static AmazonEC2 ec2;
static void authentication() throws Exception {
AWSCredentials credentials=null;
credentials = new BasicAWSCredentials("****","****");
credentials=new ProfileCredentialsProvider().getCredentials();
System.out.println("Credentials : " + credentials);
ec2 = new AmazonEC2Client(credentials);
Region region=Region.getRegion(Regions.AP_SOUTHEAST_1);
ec2.setRegion(region);
}
public static void main(String[] args) throws Exception
{
authentication();
StartInstancesRequest startInstancesRequest = new StartInstancesRequest();
startInstancesRequest.withInstanceIds("i-sba78aj1");
StartInstancesResult res = ec2.startInstances(startInstancesRequest);
System.out.println(res.toString());
return;
}
}
谁能帮帮我吗?
最佳答案
我认为你的程序中有一些困惑 - 当你这样做时:
AWSCredentials credentials=null;
credentials = new BasicAWSCredentials("****","****");
credentials = new ProfileCredentialsProvider().getCredentials();
行 credentials = new BasicAWSCredentials("****","****");
最终没有必要,因为凭证将被设置,并在替换为来自ProfileCredentialsProvider。
您不能同时使用 BasicAWSCredentials
和 ProfileCredentialsProvider
当您使用ProfileCredentialsProvider
时,您需要在~/.aws/credentials
下有一个有效的凭证文件,该文件应采用以下格式
[default]
aws_access_key_id=XXXXX
aws_secret_access_key=XXXX
在这种情况下你会这样做
AWSCredentials credentials = null;
try {
credentials = new ProfileCredentialsProvider().getCredentials();
} catch (Exception e) {
throw new AmazonClientException(
"Cannot load the credentials from the credential profiles file. " +
"Please make sure that your credentials file is at the correct " +
"location (~/.aws/credentials), and is in valid format.",
e);
}
AmazonEC2 ec2 = new AmazonEC2Client(credentials);
如果您不使用凭证文件,您可以像以前一样从 BasicAWSCredentials
通过 API 创建凭证:
AWSCredentials credentials = new BasicAWSCredentials("XXXXX", "XXXXX");
// no need to call the ProfileCredentialsProvider in this case
ec2 = new AmazonEC2Client(credentials);
只是一个简单的说明,我知道您可能会运行一个快速测试,并使其通过 main 方法工作,但真正声明 static AmazonEC2 ec2;
是一个不好的选择实际上,EC2Client 不应该是静态的。 (在简单的程序中,这可能没问题,但随着您的基础设施不断增长(多个区域、实例......),这是不可能的)
关于java - AWS 无法验证提供的访问凭证(eclipse),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32779332/