Unable to index into rollup index rollupIndexName – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8.3-8.9

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Briefly, this error occurs when Elasticsearch is unable to index data into a rollup index, which is a special type of index that stores aggregated historical data. This could be due to incorrect permissions, a non-existent index, or a misconfigured rollup job. To resolve this, ensure that the rollup index exists and the rollup job is correctly configured. Also, check the user permissions to ensure they have the necessary rights to write to the rollup index. If the issue persists, consider recreating the rollup index or job.

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This guide will help you check for common problems that cause the log ” Unable to index into rollup index [” + rollupIndexName + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, index.

Log Context

Log “Unable to index into rollup index [” + rollupIndexName + “]” class name is TransportDownsampleAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 new ElasticsearchException("Unable to index into rollup index [" + rollupIndexName + "]")
 }; e -> deleteRollupIndex(sourceIndexName; rollupIndexName; parentTask; listener; e)));
 } else {
 listener.onFailure(new ElasticsearchException("Failed to create rollup index [" + rollupIndexName + "]"));


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