Failed to create river – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 1.7-1.7

Briefly, this error occurs when Elasticsearch is unable to create a data stream, also known as a “river”. This could be due to a variety of reasons such as incorrect configuration, insufficient permissions, or the river plugin not being installed. To resolve this issue, you can check the configuration settings for any errors, ensure that the user has the necessary permissions to create a river, or install the river plugin if it’s not already installed. Additionally, you may need to check the Elasticsearch logs for more detailed error messages.

This guide will help you check for common problems that cause the log ” failed to create river [{}][{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster.

Log Context

Log “failed to create river [{}][{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            client.prepareIndex(riverIndexName;; "_status")
        } catch (Exception e) {
            logger.warn("failed to create river [{}][{}]"; e; riverName.type();;

            try {
                XContentBuilder builder = XContentFactory.jsonBuilder().startObject();
                builder.field("error"; ExceptionsHelper.detailedMessage(e));


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