Registry miss-match – expected – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.8-7.9

Briefly, this error occurs when there’s a discrepancy between the expected and actual registry in Elasticsearch. This could be due to incorrect configuration, version mismatch, or data corruption. To resolve this, you can try the following: 1) Check and correct the configuration settings, 2) Ensure that all nodes in the cluster are running the same version of Elasticsearch, 3) If data corruption is suspected, restore from a backup. Always remember to backup your data regularly to prevent data loss.

This guide will help you check for common problems that cause the log ” Registry miss-match – expected ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: aggregations, search.

Log Context

Log “Registry miss-match – expected” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 Map metadata) throws IOException {  AggregatorSupplier aggregatorSupplier = queryShardContext.getValuesSourceRegistry().getAggregator(config;
 if (aggregatorSupplier instanceof MetricAggregatorSupplier == false) {
 throw new AggregationExecutionException("Registry miss-match - expected "
 + MetricAggregatorSupplier.class.getName() + "; found [" + aggregatorSupplier.getClass().toString() + "]");
 return ((MetricAggregatorSupplier) aggregatorSupplier).build(name; config; searchContext; parent; metadata);


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