[YARN-6315] Improve LocalResourcesTrackerImpl#isResourcePresent to return false for corrupted files - ASF JIRA

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Details

Type: Bug
Status: Patch Available
Priority: Major
Resolution: Unresolved
Affects Version/s: 2.7.3, 2.8.1
Fix Version/s: None
Component/s: None
Labels:
None

Target Version/s:

3.4.0

Description

We currently check if a resource is present by making sure that the file exists locally. There can be a case where the LocalizationTracker thinks that it has the resource if the file exists but with size 0 or less than the "expected" size of the LocalResource. This JIRA tracks the change to harden the isResourcePresent call to address that case.