Failed to parse role . unexpected field – 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 Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” failed to parse role . unexpected field ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “failed to parse role [{}]. unexpected field [{}]”classname  is RoleDescriptor.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

} else if (Fields.TRANSIENT_METADATA.match(currentFieldName; parser.getDeprecationHandler())) {
 if (token == XContentParser.Token.START_OBJECT) {
 // consume object but just drop
 parser.map();
 } else {
 throw new ElasticsearchParseException("failed to parse role [{}]. unexpected field [{}]"; name; currentFieldName);
 }
 } else if (Fields.TYPE.match(currentFieldName; parser.getDeprecationHandler())) {
 // don't need it
 } else {
 throw new ElasticsearchParseException("failed to parse role [{}]. unexpected field [{}]"; name; currentFieldName);

 

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