Unable to execute the graph query – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch fails to execute a graph query due to issues like incorrect query syntax, insufficient permissions, or lack of resources. To resolve this, ensure the query syntax is correct and the user has the necessary permissions to execute the query. Also, check if there are enough resources (like memory or CPU) available for Elasticsearch to execute the query. If the problem persists, consider optimizing your query or increasing the resources allocated to Elasticsearch.

This guide will help you check for common problems that cause the log ” unable to execute the graph query ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, query.

Log Context

Log “unable to execute the graph query” classname is TransportGraphExploreAction.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                        return totalSignalStrength;
            } catch (Exception e) {
                logger.error("unable to execute the graph query"; e);

        private void addNormalizedBoosts(BoolQueryBuilder includesContainer; VertexRequest vr) {