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From "Aaron Fabbri (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14548) S3Guard: issues running parallel tests w/ S3N
Date Tue, 20 Jun 2017 01:10:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16055026#comment-16055026

Aaron Fabbri commented on HADOOP-14548:

My failures from `mvn verify -Dparallel-tests -Ds3guard -Ddynamo` in hadoop-tools/hadoop-aws:

Failed tests:
 (1) ITestS3NContractRootDir>AbstractContractRootDirectoryTest.testListEmptyRootDirectory:188->Assert.assertEquals:555->Assert.assertEquals:118->Assert.failNotEquals:743->Assert.fail:88
listStatus on empty root-directory returned a non-empty list expected:<0> but was:<1>
  (2) ITestJets3tNativeS3FileSystemContract>NativeS3FileSystemContractBaseTest.testListStatusForRoot:71
Root directory is not empty;  expected:<0> but was:<1>
  (3) ITestJets3tNativeS3FileSystemContract>FileSystemContractBaseTest.testListStatus:321
expected:<1> but was:<12>

Tests in error:
  (4) ITestS3AContractRootDir>AbstractContractRootDirectoryTest.testRmEmptyRootDirNonRecursive:116
» PathIO
  (5) ITestS3AEncryptionSSEC.testCreateFileThenMoveWithDifferentSSECKey:136->lambda$testCreateFileThenMoveWithDifferentSSECKey$14:147
  (6) ITestJets3tNativeS3FileSystemContract>FileSystemContractBaseTest.testLSRootDir:847->FileSystemContractBaseTest.assertListFilesFinds:865
» FileNotFound

 #4  Happens because root was not empty.  Wondering if S3N folder objects caused the isEmptyDirectory()
to be false?

[~mackrorysd] any thoughts on #5?

> S3Guard: issues running parallel tests w/ S3N 
> ----------------------------------------------
>                 Key: HADOOP-14548
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14548
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>            Reporter: Aaron Fabbri
> In general, running S3Guard and parallel tests with S3A and S3N contract tests enabled
is asking for trouble:  S3Guard code assumes there are not other non-S3Guard clients modifying
the bucket.
> Goal of this JIRA is to:
> - Discuss current failures running `mvn verify -Dparallel-tests -Ds3guard -Ddynamo` with
S3A and S3N contract tests configured.
> - Identify any failures here that are worth looking into.
> - Document (or enforce) that people should not do this, or should expect failures if
they do.

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