Failed to execute term vector request – 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 Error Check-Up which analyzes 2 JSON files to detect many configuration errors.

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This guide will help you check for common problems that cause the log ” failed to execute term vector request ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: request, index.

Log Context

Log “failed to execute term vector request”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 termVectorsResponse.setTookInMillis(TimeUnit.NANOSECONDS.toMillis(nanoTimeSupplier.getAsLong() - startTime));
 } catch (Exception ex) {
 throw new ElasticsearchException("failed to execute term vector request"; ex);
 return termVectorsResponse;
 public static Fields fields(IndexReader reader) {


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