Exception during dfs phase – How to solve this Elasticsearch error

Opster Team

March-22, 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 ” Exception during dfs phase ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search.

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 “Exception during dfs phase”classname  is DfsPhase.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 .termsStatistics(terms; termStatistics)
 } catch (Exception e) {
 throw new DfsPhaseExecutionException(context.shardTarget(); "Exception during dfs phase"; e);


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