[ 
https://issues.apache.org/jira/browse/HADOOP-15480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Gabor Bota updated HADOOP-15480:
--------------------------------
    Status: Patch Available  (was: Open)

Thanks for the hint [~fabbri]. 

I've added a helper method to 
org.apache.hadoop.fs.s3a.S3ATestUtils#setMetadataStore because I wanted to 
avoid changing the visibility of 
org.apache.hadoop.fs.s3a.S3AFileSystem#setMetadataStore.

> AbstractS3GuardToolTestBase.testDiffCommand fails when using dynamo
> -------------------------------------------------------------------
>
>                 Key: HADOOP-15480
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15480
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.1.0
>            Reporter: Gabor Bota
>            Assignee: Gabor Bota
>            Priority: Major
>         Attachments: HADOOP-15480.001.patch
>
>
> When running org.apache.hadoop.fs.s3a.s3guard.ITestS3GuardToolDynamoDB, the 
> testDiffCommand test fails with the following:
> {noformat}
> testDiffCommand(org.apache.hadoop.fs.s3a.s3guard.ITestS3GuardToolDynamoDB)  
> Time elapsed: 8.059 s  <<< FAILURE!
> java.lang.AssertionError: 
> Mismatched metadata store outputs: MS D       0       
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only
> MS    F       100     
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-0
> MS    F       100     
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-1
> MS    F       100     
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-3
> MS    F       100     
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-2
> MS    F       100     
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-4
> S3    F       0       
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-1
> MS    F       0       
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-1
> S3    F       0       
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-0
> MS    F       0       
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-0
> S3    F       0       
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-2
> MS    F       0       
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-2
> S3    F       0       
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-3
> MS    F       0       
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-3
> S3    F       0       
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-4
> MS    F       0       
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-4
>  expected:<[
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-0, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-1, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-3, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-2, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-4]> 
> but was:<[
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-1, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-0, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-0, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-1, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-3, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-2, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-2, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-3, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/ms_only/file-4, 
> s3a://cloudera-dev-gabor-ireland/test/test-diff/s3_only/file-4]>
>       at org.junit.Assert.fail(Assert.java:88)
>       at org.junit.Assert.failNotEquals(Assert.java:743)
>       at org.junit.Assert.assertEquals(Assert.java:118)
>       at 
> org.apache.hadoop.fs.s3a.s3guard.AbstractS3GuardToolTestBase.testDiffCommand(AbstractS3GuardToolTestBase.java:382)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:498)
>       at 
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
>       at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>       at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
>       at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>       at 
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
>       at 
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
>       at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
>       at 
> org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
> {noformat}



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