Error parsing field name with unknown parameter fieldName – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.16-8.7

Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.

Try OpsGPT now for step-by-step guidance and tailored insights into your Elasticsearch operation.

Briefly, this error occurs when Elasticsearch encounters a field with an unknown parameter during parsing. This could be due to a typo, incorrect syntax, or use of a parameter that doesn’t exist. To resolve this issue, you should first verify the field name and parameters used in your query or mapping. Ensure that they are correctly spelled and formatted. If the problem persists, check the Elasticsearch documentation to confirm if the parameter you’re using is valid. If it’s not, replace it with a valid one.

For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.

This guide will help you check for common problems that cause the log ” error parsing field [” + name() + “]; with unknown parameter [” + fieldName + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “error parsing field [” + name() + “]; with unknown parameter [” + fieldName + “]” class name is HistogramFieldMapper.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 ensureExpectedToken(XContentParser.Token.VALUE_NUMBER; token; subParser);
 counts.add(subParser.intValue());
 token = subParser.nextToken();
 }
 } else {
 throw new MapperParsingException("error parsing field [" + name() + "]; with unknown parameter [" + fieldName + "]");
 }
 token = subParser.nextToken();
 }
 if (values == null) {
 throw new MapperParsingException(

 

How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?