问使用Spark和Java从s3读取文件时未能连接到服务端点

EN

com.amazonaws.SdkClientException: Failed to connect to service endpoint: 
 at com.amazonaws.internal.EC2ResourceFetcher.doReadResource(EC2ResourceFetcher.java:100)
 at com.amazonaws.internal.InstanceMetadataServiceResourceFetcher.getToken(InstanceMetadataServiceResourceFetcher.java:91)

 ... 74 more



java.nio.file.AccessDeniedException: datalakedbr: org.apache.hadoop.fs.s3a.auth.NoAuthWithAWSException: No AWS Credentials provided by SimpleAWSCredentialsProvider EnvironmentVariableCredentialsProvider InstanceProfileCredentialsProvider : com.amazonaws.SdkClientException: Failed to connect to service endpoint: 

 at org.apache.hadoop.fs.s3a.S3AUtils.translateException(S3AUtils.java:187)
 at org.apache.hadoop.fs.s3a.Invoker.once(Invoker.java:111)
 at org.apache.hadoop.fs.s3a.Invoker.lambda$retry$3(Invoker.java:265)
 at org.apache.hadoop.fs.s3a.Invoker.retryUntranslated(Invoker.java:322)
 at org.apache.hadoop.fs.s3a.Invoker.retry(Invoker.java:261)
Caused by: org.apache.hadoop.fs.s3a.auth.NoAuthWithAWSException: No AWS Credentials provided by SimpleAWSCredentialsProvider EnvironmentVariableCredentialsProvider InstanceProfileCredentialsProvider : com.amazonaws.SdkClientException: Failed to connect to service endpoint: 
 at org.apache.hadoop.fs.s3a.AWSCredentialProviderList.getCredentials(AWSCredentialProviderList.java:159)

    parkSession sparkSession = SparkSession.builder()
            .master("local").appName("readFile")
            .config("fs.s3a.awsAccessKeyId", "key")
            .config("fs.s3a.awsSecretAccessKey", "secretKey")
            .getOrCreate();
    JavaSparkContext sparkContext = new JavaSparkContext(sparkSession.sparkContext());
    String path = "s3a://bucket/path.json";
    Dataset<Row> file = sparkSession.sqlContext().read().load(path);