Could not execute query template (failed to close writer) – How To Solve Related Issues

Could not execute query template (failed to close writer) – 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 ” Could not execute query template (failed to close writer) ” 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: delete-by-query, mustache and template.

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 “Could not execute query template (failed to close writer):” classname is MustacheScriptEngineService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             logger.error("Could not execute query template (failed to flush writer): "; e);
        } finally {
            try {
                writer.close();
            } catch (IOException e) {
                logger.error("Could not execute query template (failed to close writer): "; e);
            }
        }
        return result.bytes();
    }





 

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