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https://issues.apache.org/jira/browse/HADOOP-15430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16458951#comment-16458951
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Steve Loughran commented on HADOOP-15430:
-----------------------------------------
And with some checking of the query before it is launched
{code}
java.lang.IllegalStateException: Empty string value for attribute child
at
com.google.common.base.Preconditions.checkState(Preconditions.java:172)
at
org.apache.hadoop.fs.s3a.s3guard.PathMetadataDynamoDBTranslation.pathToKey(PathMetadataDynamoDBTranslation.java:284)
at
org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.innerGet(DynamoDBMetadataStore.java:459)
at
org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.lambda$get$2(DynamoDBMetadataStore.java:439)
at org.apache.hadoop.fs.s3a.Invoker.once(Invoker.java:109)
at
org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.get(DynamoDBMetadataStore.java:438)
at
org.apache.hadoop.fs.s3a.S3AFileSystem.innerGetFileStatus(S3AFileSystem.java:2110)
at
org.apache.hadoop.fs.s3a.S3AFileSystem.getFileStatus(S3AFileSystem.java:2088)
at
org.apache.hadoop.fs.s3a.S3AFileSystem.innerMkdirs(S3AFileSystem.java:2037)
at
org.apache.hadoop.fs.s3a.S3AFileSystem.mkdirs(S3AFileSystem.java:2007)
at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:2326)
at
org.apache.hadoop.fs.shell.Mkdir.processNonexistentPath(Mkdir.java:77)
at org.apache.hadoop.fs.shell.Command.processArgument(Command.java:288)
at org.apache.hadoop.fs.shell.Command.processArguments(Command.java:270)
at
org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:120)
at org.apache.hadoop.fs.shell.Command.run(Command.java:177)
at org.apache.hadoop.fs.FsShell.run(FsShell.java:328)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
at org.apache.hadoop.fs.FsShell.main(FsShell.java:391)
{code}
I can't seem to recreate it in a test case though, only on the CLI
> hadoop fs -mkdir -p path-ending-with-slash/ fails with s3guard
> --------------------------------------------------------------
>
> Key: HADOOP-15430
> URL: https://issues.apache.org/jira/browse/HADOOP-15430
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.1.0
> Reporter: Steve Loughran
> Priority: Blocker
>
> if you call {{hadoop fs -mkdir -p path/}} on the command line with a path
> ending in "/:. you get a DDB error "An AttributeValue may not contain an
> empty string"
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