Meta values can only be strings; but got – Elasticsearch Error How To Solve Related Issues


Meta values can only be strings; but got – 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 ” meta values can only be strings; but got ” 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”[meta] values can only be strings; but got”classname  is TypeParsers.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

"] for field [" + name + "]");
  }
  } else if (value == null) {
  throw new MapperParsingException("[meta] values can't be null (field [" + name + "])");
  } else {
  throw new MapperParsingException("[meta] values can only be strings; but got " +
  value.getClass().getSimpleName() + "[" + value + "] for field [" + name + "]");
  }
  }
  final Function; Object> entryValueFunction = Map.Entry::getValue;
  final Function stringCast = String.class::cast;

 

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