Couldnt initialize watching license mode file – How to solve related issues

Opster Team

Jan-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 ” Couldnt initialize watching license mode file ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: discovery-file, license and plugin.

Log Context

Log “Couldn’t initialize watching license mode file” classname is OperationModeFileWatcher.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 resourceWatcherService.add(watcher; ResourceWatcherService.Frequency.HIGH);
                if (Files.exists(licenseModePath)) {
                    onChange(licenseModePath);
                }
            } catch (IOException e) {
                logger.error("couldn't initialize watching license mode file"; e);
            }
        }
    }

    /**




 

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