Skip refreshIndex in serverless mode to fix 404 on _refresh endpoint - #692
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harshavamsi merged 3 commits intoFeb 20, 2026
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…pensearch-project#690) Signed-off-by: Sotaro Hikita <bering1814@gmail.com>
lawofcycles
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February 20, 2026 18:42
Signed-off-by: Sotaro Hikita <bering1814@gmail.com>
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Note: The Gradle Precommit CI job is expected to fail due to a dependency license SHA mismatch, which is unrelated to this PR and will be resolved by #688. |
Signed-off-by: Harsha Vamsi Kalluri <harshavamsi096@gmail.com>
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Description
RestClient.refreshIndex(String)did not check for serverless mode, causing all Spark writes to OpenSearch Serverless to fail with a 404 error on the_refreshendpoint.RestClient.refresh(Resource)was correctly updated in #586 to skip the refresh call in serverless mode, butRestClient.refreshIndex(String)is a separate method called fromBulkProcessor.close()and was not updated. Sinceopensearch.batch.write.refreshdefaults totrue, every bulk write triggered this code path.This change adds the same serverless mode check to
refreshIndex(String).Issues Resolved
Fixes #690
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