Unexpected error creating default query – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Unexpected error creating default query ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: delete-by-query and plugin.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “Unexpected error creating default query” classname is QueryProvider.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

         try {
            QueryBuilder parsedQuery = QueryBuilders.matchAllQuery();
            Map query = XContentObjectTransformer.queryBuilderTransformer(NamedXContentRegistry.EMPTY).toMap(parsedQuery);
            return new QueryProvider(query; parsedQuery; null);
        } catch (IOException ex) {
            logger.error("Unexpected error creating default query"; ex);
            throw new ElasticsearchException("Unexpected error creating default query"; ex);

    static QueryProvider fromXContent(XContentParser parser; boolean lenient) throws IOException {


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