Log Modules ; plugins ; sites – How To Solve Related Issues

Log Modules ; plugins ; sites – How To Solve Related Issues

Opster Team

Feb-20, Version: 1.7-8.0


Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up  which can resolve issues causing many log errors (free and no installation required)


This guide will help you check for common problems that cause the log “Modules ; plugins ; sites” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: plugins.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to discover the cause of many errors and provides suitable actionable recommendations. 

Log Context

Log”modules {}; plugins {}; sites {}” classname is PluginsService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        for (PluginInfo pluginInfo : info.getPluginInfos()) {

        logger.info("modules {}; plugins {}; sites {}"; moduleNames; jvmPluginNames; sitePlugins);

        Map> onModuleReferences = new HashMap();
        for (Plugin plugin : jvmPlugins.values()) {
            List list = new ArrayList();
            for (Method method : plugin.getClass().getMethods()) {



Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 What’s the difference between elasticsearch plugin and elasticsearch module? -views 0.28 K ,score 3

Missing Plugin Descriptor Propertie  


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