Log Adding to . new blacklisted methods – How To Solve Related Issues


Log Adding to . new blacklisted methods – 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 that cause many errors.

This guide will help you check for common problems that cause the log ” Adding to . new blacklisted methods ” 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: thread.

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 pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log context

Log “adding {} to [{}]; new blacklisted methods: {}” classname is ScriptService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             GroovyScriptEngineService engine = (GroovyScriptEngineService) ScriptService.this.scriptEnginesByLang.get(GroovyScriptEngineService.NAME);
            if (engine != null) {
                String[] patches = settings.getAsArray(GroovyScriptEngineService.GROOVY_SCRIPT_BLACKLIST_PATCH; Strings.EMPTY_ARRAY);
                boolean blacklistChanged = engine.addToBlacklist(patches);
                if (blacklistChanged) {
                    logger.info("adding {} to [{}]; new blacklisted methods: {}"; patches;
                            GroovyScriptEngineService.GROOVY_SCRIPT_BLACKLIST_PATCH; engine.blacklistAdditions());
                    engine.reloadConfig();
                    // Because the GroovyScriptEngineService knows nothing about the
                    // cache; we need to clear it here if the setting changes
                    ScriptService.this.clearCache();




 





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