Phase failed – 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 ” Phase failed ” 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 “Phase failed”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :;
 } catch (Exception e) {
 // we need to fail the entire request here - the entire phase just blew up
 // don't call onShardFailure or onFailure here since otherwise we'd countDown the counter
 // again which would result in an exception
 listener.onFailure(new SearchPhaseExecutionException(phase.getName(); "Phase failed"; e;


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