Failed to parse rules expression. object contains multiple fields – Elasticsearch Error How To Solve Related Issues



Failed to parse rules expression. object contains multiple fields – Elasticsearch Error How To Solve Related Issues

Updated: July-20

Elasticsearch 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 causing many errors 

 

This guide will help you check for common problems that cause the log “failed to parse rules expression. object contains multiple fields” 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: parser, rest-high-level, client.


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 discover the cause of many errors and provides suitable actionable recommendations (free tool that requires no installation). 

Log Context

Log”failed to parse rules expression. object [{}] contains multiple fields”classname  is RoleMapperExpressionParser.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

}
 
  final String fieldName = fieldName(objectName; parser);
  final RoleMapperExpression expr = parseExpression(parser; fieldName; objectName);
  if (parser.nextToken() != XContentParser.Token.END_OBJECT) {
  throw new ElasticsearchParseException("failed to parse rules expression. object [{}] contains multiple fields"; objectName);
  }
  return expr;
  }
 
  private RoleMapperExpression parseExpression(XContentParser parser; String field; String objectName)

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Python/Json:Expecting property name enclosed in double quotes -views 196,568 ,score 93

Error parsing yaml file: mapping values are not allowed here -views   159,407,score 82



Find Configuration Errors

Analyze Now