Unable to close Groovy loader – 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 analyzes 2 JSON files to detect many errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” Unable to close Groovy loader ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: Index and Memory.

Log Context

Log “Unable to close Groovy loader” classname is GroovyScriptEngineService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             
Override
            public Void run() {
                try {
                    loader.close();
                } catch (IOException e) {
                    logger.warn("Unable to close Groovy loader"; e);
                }
                return null;
            }
        });
    }



 

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