[HUDI-9009] Fix potential race condition when listing files by leveraging exception type

[the-other-tim-brown]

Change Logs

• Updates FSUtils#getAllDataFilesInPartition to return an empty list if a FileNotFoundException is thrown. Currently the code will do another check to see if the path exists but this exception type will only be thrown when the path does not exist. This can result in a potential race condition if there is another thread creating that directory. The FS API also states that it Throws: FileNotFoundException – when the path does not exist

Impact

• Fixes exception thrown in flakey test Test Bulk Insert Into Consistent Hashing Bucket Index Table

Risk level (write none, low medium or high below)

Low

Documentation Update

Describe any necessary documentation update if there is any new feature, config, or user-facing change. If not, put "none".

• The config description must be updated if new configs are added or the default value of the configs are changed
• Any new feature or user-facing change requires updating the Hudi website. Please create a Jira ticket, attach the
  ticket number here and follow the instruction to make
  changes to the website.

Contributor's checklist

• Read through contributor's guide
• Change Logs and Impact were stated clearly
• Adequate tests were added if applicable
• CI passed

[hudi-bot]

CI report:

• ee16d53 Azure: FAILURE

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