Reload failed for plugin – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.15

Briefly, this error occurs when Elasticsearch tries to reload a plugin but fails due to issues like incorrect plugin configuration, plugin compatibility issues with the current Elasticsearch version, or the plugin files being inaccessible. To resolve this, you can check the plugin’s configuration for errors, ensure the plugin is compatible with your Elasticsearch version, or verify the plugin files are accessible and not corrupted. If the issue persists, consider reinstalling the plugin or contacting the plugin’s support for further assistance.

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

Log Context

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

            // broadcast the new settings object (with the open embedded keystore) to all reloadable plugins
            pluginsService.filterPlugins(ReloadablePlugin.class).stream().forEach(p -> {
                try {
                } catch (final Exception e) {
                    logger.warn((Supplier>) () -> new ParameterizedMessage("Reload failed for plugin [{}]"; p.getClass().getSimpleName());


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