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https://issues.apache.org/jira/browse/HADOOP-15576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16568746#comment-16568746
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Steve Loughran commented on HADOOP-15576:
-----------------------------------------
legit regression; the rejection of 0-part MPUs is breaking a mock test.
{code}
org.apache.hadoop.fs.s3a.commit.PathCommitException: `null': Failed to commit
upload against
output/path/dateint=20161116/hour=14/836122ed-53e4-43a9-a3c0-beeff1e154ce.parquet,
described in null: java.lang.IllegalArgumentException: No upload parts: No
upload parts
at
org.apache.hadoop.fs.s3a.commit.CommitOperations.commit(CommitOperations.java:165)
at
org.apache.hadoop.fs.s3a.commit.CommitOperations.commitOrFail(CommitOperations.java:134)
at
org.apache.hadoop.fs.s3a.commit.AbstractS3ACommitter.lambda$commitPendingUploads$3(AbstractS3ACommitter.java:451)
at org.apache.hadoop.fs.s3a.commit.Tasks$Builder$1.run(Tasks.java:254)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalArgumentException: No upload parts
at
com.google.common.base.Preconditions.checkArgument(Preconditions.java:88)
at
org.apache.hadoop.fs.s3a.WriteOperationHelper.finalizeMultipartUpload(WriteOperationHelper.java:222)
at
org.apache.hadoop.fs.s3a.WriteOperationHelper.completeMPUwithRetries(WriteOperationHelper.java:269)
at
org.apache.hadoop.fs.s3a.commit.CommitOperations.innerCommit(CommitOperations.java:179)
at
org.apache.hadoop.fs.s3a.commit.CommitOperations.commit(CommitOperations.java:151)
... 8 more
{code}
> S3A Multipart Uploader to work with S3Guard and encryption
> -----------------------------------------------------------
>
> Key: HADOOP-15576
> URL: https://issues.apache.org/jira/browse/HADOOP-15576
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.2
> Reporter: Steve Loughran
> Assignee: Ewan Higgs
> Priority: Blocker
> Attachments: HADOOP-15576-005.patch, HADOOP-15576-007.patch,
> HADOOP-15576.001.patch, HADOOP-15576.002.patch, HADOOP-15576.003.patch,
> HADOOP-15576.004.patch
>
>
> The new Multipart Uploader API of HDFS-13186 needs to work with S3Guard, with
> the tests to demonstrate this
> # move from low-level calls of S3A client to calls of WriteOperationHelper;
> adding any new methods are needed there.
> # Tests. the tests of HDFS-13713.
> # test execution, with -DS3Guard, -DAuth
> There isn't an S3A version of {{AbstractSystemMultipartUploaderTest}}, and
> even if there was, it might not show that S3Guard was bypassed, because
> there's no checks that listFiles/listStatus shows the newly committed files.
> Similarly, because MPU requests are initiated in S3AMultipartUploader,
> encryption settings are't picked up. Files being uploaded this way *are not
> being encrypted*
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