EQL statement is too large; – 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 ” EQL statement is too large; ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: parser and 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 “EQL statement is too large;”classname  is EqlParser.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

log.info("Parse tree {} " + tree.toStringTree());
 } 
 return visitor.apply(new AstBuilder(params); tree);
 } catch (StackOverflowError e) {
 throw new ParsingException("EQL statement is too large; " +
 "causing stack overflow when generating the parsing tree: [{}]"; eql);
 }
 } 
 private static void debug(EqlBaseParser parser) {

 

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