Field_masking_span must have field set for it – Elasticsearch Error How To Solve Related Issues



Field_masking_span must have field set for it – 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 “field_masking_span must have field set for it” 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: query, index.


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”field_masking_span must have [field] set for it”classname  is FieldMaskingSpanQueryBuilder.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

}
  if (inner == null) {
  throw new ParsingException(parser.getTokenLocation(); "field_masking_span must have [query] span query clause");
  }
  if (field == null) {
  throw new ParsingException(parser.getTokenLocation(); "field_masking_span must have [field] set for it");
  }
 
  FieldMaskingSpanQueryBuilder queryBuilder = new FieldMaskingSpanQueryBuilder(inner; field);
  queryBuilder.boost(boost);
  queryBuilder.queryName(queryName);

 

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 Best way to check if a field exist in an Elasticsearch document -views 58,656 ,score 33

How to do “where field1 exists or field2 does not exist” – Elasticsearch  

 

 

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