Exception trying to setParsedAggregations – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch encounters an issue while trying to set parsed aggregations. This could be due to incorrect aggregation queries, or issues with the data being aggregated. To resolve this, you should first check your aggregation queries for any errors or inconsistencies. If the queries are correct, inspect the data being aggregated to ensure it is in the correct format and doesn’t contain any anomalies that could cause the aggregation to fail. If the issue persists, consider upgrading your Elasticsearch version as it could be a bug that has been fixed in a newer version.

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This guide will help you check for common problems that cause the log ” Exception trying to setParsedAggregations ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, aggregations.

Log Context

Log “Exception trying to setParsedAggregations” classname is DatafeedConfig.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        public Builder setParsedAggregations(AggregatorFactories.Builder aggregations) {
            try {
                this.aggProvider = AggProvider.fromParsedAggs(aggregations);
            } catch (IOException exception) {
                // eat exception as it should never happen
                logger.error("Exception trying to setParsedAggregations"; exception);
            return this;

        private Builder setAggregationsSafe(AggProvider provider) {


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