Binary fields do not support searching – How to solve this OpenSearch exception

Opster Team

Aug-23, Version: 1-2.9

Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.

Try OpsGPT now for step-by-step guidance and tailored insights into your OpenSearch operation.

Briefly, this error occurs when you attempt to search a binary field in OpenSearch. Binary fields are used to store binary data, which is not searchable. To resolve this issue, you can either convert the binary data into a searchable format before indexing, or use a plugin that allows binary data searching. Alternatively, you could store a searchable version of the data in a separate field.

For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.

This guide will help you check for common problems that cause the log ” Binary fields do not support searching ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: index.

Log Context

Log “Binary fields do not support searching” class name is We extracted the following from OpenSearch source code for those seeking an in-depth context :

 return new BytesBinaryIndexFieldData.Builder(name(); CoreValuesSourceType.BYTES);
 }  @Override
 public Query termQuery(Object value; QueryShardContext context) {
 throw new QueryShardException(context; "Binary fields do not support searching");
 }  private final boolean stored;
 private final boolean hasDocValues;


How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?

Get expert answers on Elasticsearch/OpenSearch