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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15827) NPE in DynamoDBMetadataStore.lambda$listChildren for root + auth s3guard
Date Mon, 08 Oct 2018 17:32:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16642206#comment-16642206
] 

Steve Loughran commented on HADOOP-15827:
-----------------------------------------

{code}
[ERROR] Tests run: 43, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 387.198 s <<<
FAILURE! - in org.apache.hadoop.fs.s3a.ITestS3AFileSystemContract
[ERROR] testLSRootDir(org.apache.hadoop.fs.s3a.ITestS3AFileSystemContract)  Time elapsed:
42.822 s  <<< ERROR!
java.lang.NullPointerException
	at org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.lambda$listChildren$4(DynamoDBMetadataStore.java:644)
	at org.apache.hadoop.fs.s3a.Invoker.once(Invoker.java:109)
	at org.apache.hadoop.fs.s3a.Invoker.lambda$retry$3(Invoker.java:265)
	at org.apache.hadoop.fs.s3a.Invoker.retryUntranslated(Invoker.java:322)
	at org.apache.hadoop.fs.s3a.Invoker.retry(Invoker.java:261)
	at org.apache.hadoop.fs.s3a.Invoker.retry(Invoker.java:236)
	at org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.listChildren(DynamoDBMetadataStore.java:616)
	at org.apache.hadoop.fs.s3a.s3guard.MetadataStoreListFilesIterator.prefetch(MetadataStoreListFilesIterator.java:132)
	at org.apache.hadoop.fs.s3a.s3guard.MetadataStoreListFilesIterator.<init>(MetadataStoreListFilesIterator.java:102)
	at org.apache.hadoop.fs.s3a.S3AFileSystem.innerListFiles(S3AFileSystem.java:3303)
	at org.apache.hadoop.fs.s3a.S3AFileSystem.listFiles(S3AFileSystem.java:3266)
	at org.apache.hadoop.fs.FileSystemContractBaseTest.assertListFilesFinds(FileSystemContractBaseTest.java:850)
	at org.apache.hadoop.fs.FileSystemContractBaseTest.testLSRootDir(FileSystemContractBaseTest.java:835)
	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)
{code}


> NPE in DynamoDBMetadataStore.lambda$listChildren for root + auth s3guard
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-15827
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15827
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.2.0
>            Reporter: Steve Loughran
>            Priority: Blocker
>
> NPE in a test run of {{-Dparallel-tests -DtestsThreadCount=6  -Ds3guard -Ddynamodb -Dauthoritative}}
> {code}
> [ERROR] testLSRootDir(org.apache.hadoop.fs.s3a.ITestS3AFileSystemContract)  Time elapsed:
42.822 s  <<< ERROR!
> java.lang.NullPointerException
> {code}



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