No river _meta document found after attempts – How to solve related issues

Opster Team

Feb-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” No river _meta document found after attempts ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: document and routing.

Log Context

Log “no river _meta document found after {} attempts” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        // At least one type does not have _meta; so we are
        // going to reschedule some checks
        if (!metaFound) {
            if (countDown.countDown()) {
                logger.warn("no river _meta document found after {} attempts"; RIVER_START_MAX_RETRIES);
            } else {
                logger.debug("no river _meta document found retrying in {} ms"; RIVER_START_RETRY_INTERVAL.millis());
                try {
                    threadPool.schedule(RIVER_START_RETRY_INTERVAL; ThreadPool.Names.GENERIC; new Runnable() {


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