Error running – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch encounters an issue while executing a task. The error message is incomplete, so the exact cause is unclear. However, it could be due to incorrect syntax, insufficient permissions, or a system resource issue. To resolve this, check the syntax of your command, ensure the user has the necessary permissions, and verify that your system has enough resources (CPU, memory, disk space) to execute the task. If the error persists, check the Elasticsearch logs for more detailed information about the error.

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This guide will help you check for common problems that cause the log ” Error running ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: mustache.

Log Context

Log “Error running” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 final StringWriter writer = new StringWriter();
 try {
 template.execute(writer; params);
 } catch (Exception e) {
 logger.error(() -> format("Error running %s"; template); e);
 throw new GeneralScriptException("Error running " + template; e);
 return writer.toString();


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