[Backport 2.11] Fix error handling for future completion

[opensearch-trigger-bot]

Backport 10bae20 from #10406.

[github-actions]

Compatibility status:

Checks if related components are compatible with change 4a5df16

Incompatible components

Incompatible components: [https://github.com/opensearch-project/security.git]

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/performance-analyzer.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/neural-search.git]

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.cluster.allocation.AwarenessAllocationIT.testThreeZoneOneReplicaWithForceZoneValueAndLoadAwareness

• URL: https://build.ci.opensearch.org/job/gradle-check/27194/
• CommitID: 4a5df16
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Merging #10420 (4a5df16) into 2.11 (890663f) will increase coverage by 0.11%.
Report is 1 commits behind head on 2.11.
The diff coverage is 92.30%.

@@             Coverage Diff              @@
##               2.11   #10420      +/-   ##
============================================
+ Coverage     70.87%   70.98%   +0.11%     
- Complexity    58477    58564      +87     
============================================
  Files          4829     4829              
  Lines        276310   276313       +3     
  Branches      40573    40574       +1     
============================================
+ Hits         195826   196147     +321     
+ Misses        63760    63469     -291     
+ Partials      16724    16697      -27     

Files	Coverage Δ
...rg/opensearch/repositories/s3/S3BlobContainer.java	80.05% <92.30%> (-0.12%)	⬇️

... and 445 files with indirect coverage changes