Failed to load plugin from – How to solve related issues

Opster Team

Feb-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 ” 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.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

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

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

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




 

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