Failed to parse rules expression. field is not allowed within – Elasticsearch Error How To Solve Related Issues



Failed to parse rules expression. field is not allowed within – 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. field is not allowed within” 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 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. field [{}] is not allowed within [{}]”classname  is ExpressionParser.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

return parseFieldExpression(parser);
  } else if (Fields.EXCEPT.match(field; parser.getDeprecationHandler())) {
  if (allowExcept) {
  return parseExceptExpression(parser);
  } else {
  throw new ElasticsearchParseException("failed to parse rules expression. field [{}] is not allowed within [{}]";
  field; objectName);
  }
  } else {
  throw new ElasticsearchParseException("failed to parse rules expression. field [{}] is not recognised in object [{}]";
  field; 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 Error parsing yaml file: mapping values are not allowed here -views 159,409 ,score 82

YAML mapping values are not allowed in this context -views   146,636,score 66



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