Cannot use `collapse` in conjunction with `rescore` – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” cannot use `collapse` in conjunction with `rescore` ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “cannot use `collapse` in conjunction with `rescore`”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 if (context.searchAfter() != null) {
 throw new SearchException(shardTarget; "cannot use `collapse` in conjunction with `search_after`");
 if (context.rescore() != null && context.rescore().isEmpty() == false) {
 throw new SearchException(shardTarget; "cannot use `collapse` in conjunction with `rescore`");
 final CollapseContext collapseContext = source.collapse().build(queryShardContext);


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