Missing value for field field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch tries to access a field in a document that doesn’t exist or is not properly defined. This could be due to a typo in the field name, or the field might not exist in the document. To resolve this issue, you can check the field name for typos, ensure the field exists in the document, or handle the possibility of the field being missing in your code. If the field is not required, you can also set the “ignore_malformed” option to true to ignore such errors.

This guide will help you check for common problems that cause the log ” Missing value for field [” + field + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search, lucene.

Log Context

Log “Missing value for field [” + field + “]” class name is FieldValueFactorFunction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 value = values.nextValue();
 } else {
 if (missing != null) {
 value = missing;
 } else {
 throw new ElasticsearchException("Missing value for field [" + field + "]");
 double val = value * boostFactor;
 double result = modifier.apply(val);
 if (result < 0f) {


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