Failed to add plugin – 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 add plugin ” 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 add plugin [” classname is PluginsService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                         continue;
                    }
                    addURL.invoke(classLoader; libFile.toURI().toURL());
                }
            } catch (Throwable e) {
                logger.warn("failed to add plugin [" + plugin + "]"; e);
            }
        }
    }

    private ImmutableList> loadPluginsFromClasspath(Settings settings) {




 

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