OnFailedQueryPhase listener failed – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.2

Briefly, this error occurs when Elasticsearch encounters an issue during the query phase and the listener that handles failed queries also fails. This could be due to a variety of reasons such as a bug in the code, a network issue, or a problem with the data. To resolve this issue, you could try debugging the code to identify any potential bugs, check the network connection, or inspect the data for any inconsistencies or corruption. Additionally, ensure that your Elasticsearch version is up-to-date as this could also be a factor.

This guide will help you check for common problems that cause the log ” onFailedQueryPhase listener [{}] failed ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, query, shard.

Log Context

Log “onFailedQueryPhase listener [{}] failed” classname is SearchOperationListener.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        public void onFailedQueryPhase(SearchContext searchContext) {
            for (SearchOperationListener listener : listeners) {
                try {
                } catch (Exception e) {
                    logger.warn(() -> new ParameterizedMessage("onFailedQueryPhase listener [{}] failed"; listener); e);



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