[HDDS-7132] GetFileStatus returns NULL for some paths

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.3.0
• Labels: pull-request-available
• Assignee: Ayush Saxena Assign to me
• Reporter: Ayush Saxena
• Created: 17/Aug/22 15:06
• Updated: 02/Dec/22 17:29
• Resolved: 25/Aug/22 12:40

Description

Explored while integrating with Hive.

GetFileStatus by FS Javadoc, either returns the FileStatus or FNF if the path doesn't exist, or IOE in other cases.

Hive checks whether the WH path exists and is a directory by calling getFileStatus(), on FNF it goes and creates the directory.

But due to Ozone returning NULL, It leads to an NPE, and there is no way to find out the reason for NULL, but to debug.

Issue Links

• causes: IMPALA-11767 Hudi tests fail on Ozone with INVALID_VOLUME_NAME org.apache.hadoop.ozone.om.exceptions.OMException: Bucket or Volume name cannot start with a period or dash
• is related to: HIVE-26360 Add support for Ozone FileSystem
• links to: GitHub Pull Request #3687