Expected FILTER FIELD getPreferredName element – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8-8.9

Briefly, this error occurs when Elasticsearch expects a specific field (FILTER_FIELD) in the query but it’s not provided. This could be due to a malformed query or a missing field in the data. To resolve this, ensure that the query is correctly formatted and includes all necessary fields. If the field is missing in the data, you may need to add it or adjust your query to not require it. Also, check for any typos or incorrect field names in your query.

This guide will help you check for common problems that cause the log ” Expected ” + FILTER_FIELD.getPreferredName() + ” element. ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: sort, search.

Log Context

Log “Expected ” + FILTER_FIELD.getPreferredName() + ” element.” class name is SortBuilder.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 protected static QueryBuilder parseNestedFilter(XContentParser parser) {
 try {
 return parseTopLevelQuery(parser);
 } catch (Exception e) {
 throw new ParsingException(parser.getTokenLocation(); "Expected " + FILTER_FIELD.getPreferredName() + " element."; e);
 }
 }  @FunctionalInterface
 private interface Parser> {

 

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