Chung En Lee created HADOOP-19350:
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Summary: ITestS3AContractCreate#testOverwrite*EmptyDirectory fail
Key: HADOOP-19350
URL: https://issues.apache.org/jira/browse/HADOOP-19350
Project: Hadoop Common
Issue Type: Bug
Affects Versions: 3.4.1
Reporter: Chung En Lee
See [https://github.com/apache/hadoop/pull/6168#issuecomment-1756082091]
They also fail with Apache Ozone. See
https://issues.apache.org/jira/browse/HDDS-11663
While creating a file that overwrites an existing directory, both of these
tests expect to throw a FileAlreadyExistsException.
The following is a step-by-step description of the test.
# mkdir test/testOverwriteNonEmptyDirectory/ // existing directory
# get test/testOverwriteNonEmptyDirector // start to create
file to overwrite directory
# check the file status of test/testOverwriteNonEmptyDirector
** If it throws FileNotFound then continue
** check if it is a directory then throw FileAlreadyExistsException //
expect to throw
[here|https://github.com/apache/hadoop/blob/trunk/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AFileSystem.java#L2196-L2199]
** check if the overwrite is false then throw FileAlreadyExistsException //
[here|https://github.com/apache/hadoop/blob/trunk/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AFileSystem.java#L2200-L2203]
# If nothing goes wrong then create the file.
However, in step 3 it jumps to the first check, while creating a file.
S3a is expecting:
Get test/testOverwriteNonEmptyDirector // does not exist
Get test/testOverwriteNonEmptyDirector/ // exists
Therefore, the test will never go to the second check, and it will still throw
an exception but, not FileAlreadyExistsException when creating a file.
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