Failed to load plugin from – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 1.7-1.7

Briefly, this error occurs when Elasticsearch is unable to load a specified plugin due to reasons such as incorrect plugin name, plugin not installed, or issues with the plugin’s configuration. To resolve this, ensure the plugin is correctly installed and the name is accurate. Check the plugin’s configuration for any errors and correct them. If the plugin is not compatible with your Elasticsearch version, consider updating the plugin or Elasticsearch to a compatible version.

This guide will help you check for common problems that cause the log ” failed to load plugin from [ ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin and plugins.

Log Context

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

                    PluginInfo pluginInfo = new PluginInfo(; plugin.description(); isSite; true; pluginVersion);

                    plugins.add(new Tuple(pluginInfo; plugin));
                } catch (Throwable e) {
                    logger.warn("failed to load plugin from [" + pluginUrl + "]"; e);
                } finally {
        } catch (IOException e) {


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