Briefly, this error occurs when Elasticsearch encounters an aggregation type that it doesn’t support or recognize. This could be due to a typo in the aggregation type name, using an outdated or deprecated aggregation type, or using an aggregation type that is not available in the current version of Elasticsearch. To resolve this issue, you should verify the aggregation type name, check the Elasticsearch documentation for the correct usage, or update your Elasticsearch version if the aggregation type is only available in a newer version.
This guide will help you check for common problems that cause the log ” Unsupported aggregation type [” + agg.getType() + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “Unsupported aggregation type [” + agg.getType() + “]” class name is Pivot.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
public void validateConfig(ActionListenerlistener) { for (AggregationBuilder agg : config.getAggregationConfig().getAggregatorFactories()) { if (TransformAggregations.isSupportedByTransform(agg.getType()) == false) { // todo: change to ValidationException listener.onFailure( new ElasticsearchStatusException("Unsupported aggregation type [" + agg.getType() + "]"; RestStatus.BAD_REQUEST) ); return; } } listener.onResponse(true);
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