Can only use prefix queries on keyword; text and wildcard fields – not on – How to solve this Elasticsearch error

Can only use prefix queries on keyword; text and wildcard fields – not on – 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 Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Can only use prefix queries on keyword; text and wildcard fields – not on ” 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: index.

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”Can only use prefix queries on keyword; text and wildcard fields – not on [“classname  is MappedFieldType.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

throw new IllegalArgumentException("Can only use fuzzy queries on keyword and text fields - not on [" + name
  + "] which is of type [" + typeName() + "]");
  }
 
  public Query prefixQuery(String value; @Nullable MultiTermQuery.RewriteMethod method; QueryShardContext context) {
  throw new QueryShardException(context; "Can only use prefix queries on keyword; text and wildcard fields - not on [" + name
  + "] which is of type [" + typeName() + "]");
  }
 
  public Query wildcardQuery(String value;
  @Nullable MultiTermQuery.RewriteMethod method;

 

Run the Check-Up to get a customized report like this:

Analyze your cluster