Unexpected error while indexing monitoring document – How to solve related issues

Opster Team

Jan-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.

Briefly, this error occurs when Elasticsearch encounters an unexpected error while indexing a monitoring document. Monitoring documents are used to collect information about the health and performance of Elasticsearch clusters. The error message will typically include additional information about the specific error that occurred. To resolve this issue, the user should consult the Elasticsearch documentation for guidance on how to troubleshoot monitoring issues, paying particular attention to any recommended best practices for configuring and monitoring Elasticsearch.

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 ” Unexpected error while indexing monitoring document ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bulk, indexing, plugin and response.

Log Context

Log “Unexpected error while indexing monitoring document: [{}]” classname is HttpExportBulkResponseListener.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

     void onError(final String msg; final Throwable cause) {
        logger.warn(msg; cause);
    }

    void onItemError(final String text) {
        logger.warn("unexpected error while indexing monitoring document: [{}]"; text);
    }

}






 

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