Loaded type name – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch attempts to load a plugin or module, identified by the variables ‘type’ and ‘name’, but encounters an issue. This could be due to a missing or corrupted file, incorrect configuration, or compatibility issues. To resolve this, ensure the plugin or module files are correctly installed and not corrupted. Check the configuration settings for any errors and verify that the plugin or module is compatible with your version of OpenSearch. If the issue persists, consider reinstalling the plugin or module.

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This guide will help you check for common problems that cause the log ” loaded ” + type + ” [” + name + “] ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: plugins.

Log Context

Log “loaded ” + type + ” [” + name + “]” classname is PluginsService.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :

        assert pluginInfos != null;
        if (pluginInfos.isEmpty()) {
            logger.info("no " + type + "s loaded");
        } else {
            for (final String name : pluginInfos.stream().map(PluginInfo::getName).sorted().collect(Collectors.toList())) {
                logger.info("loaded " + type + " [" + name + "]");

    public Settings updatedSettings() {


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