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https://issues.apache.org/jira/browse/HADOOP-18338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-18338.
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Resolution: Not A Problem
change the endpoint and s3a doesn't know what region to sign requests with.
see HADOOP-17705 and set fs.s3a.bucket.region
> Unable to access data from S3 bucket over a vpc endpoint - 400 bad request
> --------------------------------------------------------------------------
>
> Key: HADOOP-18338
> URL: https://issues.apache.org/jira/browse/HADOOP-18338
> Project: Hadoop Common
> Issue Type: Bug
> Components: common, fs/s3
> Reporter: Aarti
> Priority: Major
> Attachments: spark_s3.txt, spark_s3_vpce_error.txt
>
>
> We are trying to write to S3 bucket which has policy with specific IAM Users,
> SSE and endpoint. So this bucket has 2 endpoints mentioned in policy :
> gateway endpoint and interface endpoint.
>
> When we use gateway endpoint which is general one:
> [https://s3.us-east-1.amazonaws.com|https://s3.us-east-1.amazonaws.com/] =>
> spark code executes successfully and writes to S3 bucket
> But when we use interface endpoint (which we have to use ideally):
> [https://bucket.vpce-<>.s3.us-east-1.vpce.amazonaws.com|https://bucket.vpce-%3C%3E.s3.us-east-1.vpce.amazonaws.com/]
> => spark code throws an error as :
>
> py4j.protocol.Py4JJavaError: An error occurred while calling o91.save.
> : org.apache.hadoop.fs.s3a.AWSBadRequestException: doesBucketExist on <BUCKET
> NAME>: com.amazonaws.services.s3.model.AmazonS3Exception: Bad Request
> (Service: Amazon S3; Status Code: 400; Error Code: 400 Bad Request; Request
> ID: BA67GFNR0Q127VFM; S3 Extended Request ID:
> BopO6Cn1hNzXdWh89hZlnl/QyTJef/1cxmptuP6f4yH7tqfMO36s/7mF+q8v6L5+FmYHXbFdEss=;
> Proxy: null), S3 Extended Request ID:
> BopO6Cn1hNzXdWh89hZlnl/QyTJef/1cxmptuP6f4yH7tqfMO36s/7mF+q8v6L5+FmYHXbFdEss=:400
> Bad Request: Bad Request (Service: Amazon S3; Status Code: 400; Error Code:
> 400 Bad Request; Request ID: BA67GFNR0Q127VFM; S3 Extended Request ID:
> BopO6Cn1hNzXdWh89hZlnl/QyTJef/1cxmptuP6f4yH7tqfMO36s/7mF+q8v6L5+FmYHXbFdEss=;
> Proxy: null)
>
> Attaching the pyspark code and exception trace
> [^spark_s3.txt]
> ^[^spark_s3_vpce_error.txt]^
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