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Briefly, this error occurs when OpenSearch is unable to retrieve the score for a document during a search operation. This could be due to issues with the scoring algorithm, incorrect query syntax, or problems with the underlying data. To resolve this, you could try re-indexing your data, ensuring your query syntax is correct, or checking the scoring algorithm for any issues. If the problem persists, consider reviewing your OpenSearch configuration or the structure of your data.
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This guide will help you check for common problems that cause the log ” Couldn’t look up score ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: .
Log Context
Log “Couldn’t look up score” class name is ScriptedMetricAggContexts.java. We extracted the following from OpenSearch source code for those seeking an in-depth context :
} try {
return scorer.score();
} catch (IOException e) {
throw new OpenSearchException("Couldn't look up score"; e);
}
} public abstract void execute();
