Java Docs Fix for 2.x in Linux Machine

[Vikasht34]

Description

Backport https://github.com/opensearch-project/k-NN/commit/01d7981c8a9ddab24188b08ae9c7ace2ba1e2ac5 from https://github.com/opensearch-project/k-NN/pull/2183

Related Issues

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

Check List

• [ ] New functionality includes testing.
• [ ] New functionality has been documented.
• [ ] API changes companion pull request created.
• [ ] Commits are signed per the DCO using --signoff.
• [ ] Public documentation issue/PR created.

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