Could not parse email template empty field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch tries to parse an email template but encounters an empty field. This could be due to a missing or incorrectly formatted field in the email template. To resolve this issue, you should first check the email template for any empty or incorrectly formatted fields. Ensure that all required fields are present and correctly formatted. If the error persists, try to validate the email template using a JSON validator to identify any syntax errors. Lastly, consider recreating the email template if the error still exists.

This guide will help you check for common problems that cause the log ” could not parse email template. empty [{}] field ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, template.

Log Context

Log “could not parse email template. empty [{}] field” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 String currentFieldName = null;
 while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
 if (token == XContentParser.Token.FIELD_NAME) {
 currentFieldName = parser.currentName();
 } else if (currentFieldName == null) {
 throw new ElasticsearchParseException("could not parse email template. empty [{}] field"; fieldName);
 } else if (Email.Field.BODY_TEXT.match(currentFieldName; parser.getDeprecationHandler())) {
 } else if (Email.Field.BODY_HTML.match(currentFieldName; parser.getDeprecationHandler())) {
 } else {


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