[Backport 2.x] Fix error in RemoteSegmentStoreDirectory when debug logging is enabled (#12328)

[peternied]

Description

Backport 006ba0e from #12328.

Related Issues

Resolves #[Issue number to be closed when this PR is merged]

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Failing checks are inspected and point to the corresponding known issue(s) (See: Troubleshooting Failing Builds)
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)
• Public documentation issue/PR created

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[github-actions]

Compatibility status:

Checks if related components are compatible with change e93055a

Incompatible components

Skipped components

Compatible components

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

[github-actions]

✅ Gradle check result for e93055a: SUCCESS

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f0eb433) 71.18% compared to head (e93055a) 71.16%.

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #12347      +/-   ##
============================================
- Coverage     71.18%   71.16%   -0.03%     
+ Complexity    59996    59939      -57     
============================================
  Files          4944     4944              
  Lines        282203   282203              
  Branches      41335    41335              
============================================
- Hits         200899   200822      -77     
- Misses        64276    64372      +96     
+ Partials      17028    17009      -19     

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[peternied]

@andrross Mind taking a look?