Failed to compile type script id using lang lang – 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 fails to compile a script due to issues with the script’s language or syntax. The ‘type’, ‘id’, and ‘lang’ are placeholders for the script type, script id, and script language respectively. To resolve this, ensure that the script language is supported and correctly specified. Also, check the script for any syntax errors or unsupported operations. If the script is too complex, consider simplifying it or breaking it down into smaller parts.

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This guide will help you check for common problems that cause the log ” Failed to compile ” + type + ” script [” + id + “] using lang [” + lang + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .

Log Context

Log “Failed to compile ” + type + ” script [” + id + “] using lang [” + lang + “]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } catch (ExecutionException executionException) {
 Throwable cause = executionException.getCause();
 if (cause instanceof ScriptException) {
 throw (ScriptException) cause;
 } else if (cause instanceof Exception) {
 throw new GeneralScriptException("Failed to compile " + type + " script [" + id + "] using lang [" + lang + "]"; cause);
 } else {
 throw new AssertionError(cause);


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