Failed to load compile script – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

Briefly, this error occurs when Elasticsearch is unable to load a compiled script due to issues like incorrect script syntax, missing script file, or insufficient permissions. To resolve this, you can check the script for any syntax errors and correct them. If the script file is missing, ensure it is in the correct directory. Lastly, verify that Elasticsearch has the necessary permissions to access and execute the script.

This guide will help you check for common problems that cause the log ” failed to load/compile script [{}] ” 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 “failed to load/compile script [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                        } else {
                            logger.warn("skipping compile of script file [{}] as all scripted operations are disabled for file scripts"; file.toAbsolutePath());
                    } catch (Throwable e) {
                        logger.warn("failed to load/compile script [{}]"; e; scriptNameExt.v1());


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