Failed to parse search hit for ids – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.2-8.9

Briefly, this error occurs when Elasticsearch is unable to parse the search hit for specific document IDs. This could be due to incorrect syntax, missing fields, or incompatible data types. To resolve this issue, you can: 1) Check the syntax of your query to ensure it’s correct. 2) Verify that the fields you’re querying exist in the documents. 3) Ensure that the data types of the fields match the ones in your query. 4) If you’re using a script, check it for errors. 5) Reindex your data if the structure of your documents has changed.

This guide will help you check for common problems that cause the log ” failed to parse search hit for ids ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, search.

Log Context

Log “failed to parse search hit for ids” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 TransformConfig config = TransformConfig.fromXContent(parser; null; true);
 if (ids.add(config.getId())) {
 } catch (IOException e) {
 foundConfigsListener.onFailure(new ElasticsearchParseException("failed to parse search hit for ids"; e));
 if (requiredMatches.hasUnmatchedIds()) {


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