Expected; but did not find; a dynamic hosts list at (version 6.8) – How to solve related issues

Expected; but did not find; a dynamic hosts list at (version 6.8) – 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 can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Expected; but did not find; a dynamic hosts list at (version 6.8) ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: discovery, discovery-file and hosts.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log “Expected; but did not find; a dynamic hosts list at [{}]” classname is FileBasedUnicastHostsProvider.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             deprecationLogger.deprecated("Found dynamic hosts list at [{}] but this path is deprecated. This list should be at [{}] " +
                "instead. Support for the deprecated path will be removed in future."; legacyUnicastHostsFilePath; unicastHostsFilePath);
            return readFileContents(legacyUnicastHostsFilePath);
        }

        logger.warn("expected; but did not find; a dynamic hosts list at [{}]"; unicastHostsFilePath);

        return Collections.emptyList();
    }

    private List readFileContents(Path path) {




 

Run the Check-Up to get a customized report like this:

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