`from` parameter must be set to 0 when `search_after` is used. – Elasticsearch Error How To Solve Related Issues


`from` parameter must be set to 0 when `search_after` is used. – Elasticsearch Error How To Solve Related Issues

Opster Team

July-20, Version: 1.7-8.0

 

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

This guide will help you check for common problems that cause the log ” `from` parameter must be set to 0 when `search_after` is used. ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: search.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log”`from` parameter must be set to 0 when `search_after` is used.”classname  is SearchService.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

if (CollectionUtils.isEmpty(source.searchAfter()) == false) {
  if (context.scrollContext() != null) {
  throw new SearchException(shardTarget; "`search_after` cannot be used in a scroll context.");
  }
  if (context.from() > 0) {
  throw new SearchException(shardTarget; "`from` parameter must be set to 0 when `search_after` is used.");
  }
  FieldDoc fieldDoc = SearchAfterBuilder.buildFieldDoc(context.sort(); source.searchAfter());
  context.searchAfter(fieldDoc);
  }

 

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