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https://issues.apache.org/jira/browse/HADOOP-17500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17367433#comment-17367433
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Steve Loughran commented on HADOOP-17500:
-----------------------------------------
have you made any progress here? Even if its not ready, push up your changes to
github and submit a PR so we can look at it.
You are right, hashing must only look at the individual blocks; these can be
uploaded in parallel so must be isolated.
We also have to worry about S3-CSE; if client side encryption is on this should
be skipped
> S3A doesn't calculate Content-MD5 on uploads
> --------------------------------------------
>
> Key: HADOOP-17500
> URL: https://issues.apache.org/jira/browse/HADOOP-17500
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/s3
> Reporter: Pedro Tôrres
> Priority: Major
>
> Hadoop doesn't specify the Content-MD5 of an object when uploading it to an
> S3 Bucket. This prevents uploads to buckets with Object Lock, that require
> the Content-MD5 to be specified.
>
> {code:java}
> com.amazonaws.services.s3.model.AmazonS3Exception: Content-MD5 HTTP header is
> required for Put Part requests with Object Lock parameters (Service: Amazon
> S3; Status Code: 400; Error Code: InvalidRequest; Request ID:
> ****************; S3 Extended Request ID:
> ****************************************************************************;
> Proxy: null), S3 Extended Request ID:
> ****************************************************************************
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleErrorResponse(AmazonHttpClient.java:1819)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleServiceErrorResponse(AmazonHttpClient.java:1403)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1372)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1145)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:802)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:770)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:744)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:704)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:686)
> at
> com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:550)
> at
> com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:530)
> at
> com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:5248)
> at
> com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:5195)
> at
> com.amazonaws.services.s3.AmazonS3Client.doUploadPart(AmazonS3Client.java:3768)
> at
> com.amazonaws.services.s3.AmazonS3Client.uploadPart(AmazonS3Client.java:3753)
> at
> org.apache.hadoop.fs.s3a.S3AFileSystem.uploadPart(S3AFileSystem.java:2230)
> at
> org.apache.hadoop.fs.s3a.WriteOperationHelper.lambda$uploadPart$8(WriteOperationHelper.java:558)
> at org.apache.hadoop.fs.s3a.Invoker.once(Invoker.java:110)
> ... 15 more{code}
>
> Similar to https://issues.apache.org/jira/browse/JCLOUDS-1549
> Related to https://issues.apache.org/jira/browse/HADOOP-13076
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