Unsupported field ” + fieldName + ” – Elasticsearch Error How To Solve Related Issues


Unsupported field ” + fieldName + ” – 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 ” unsupported field ” + fieldName + ” ” 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: plugin.

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”unsupported field [” + fieldName + “]”classname  is BasicAuth.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

if (Field.USERNAME.getPreferredName().equals(fieldName)) {
  username = parser.text();
  } else if (Field.PASSWORD.getPreferredName().equals(fieldName)) {
  password = WatcherXContentParser.secretOrNull(parser);
  } else {
  throw new ElasticsearchParseException("unsupported field [" + fieldName + "]");
  }
  } else {
  throw new ElasticsearchParseException("unsupported token [" + token + "]");
  }
  }

 

Optimize Elasticsearch Performance

Try The Tool