Log License mode valid – How To Solve Related Issues

Log License mode valid – How To Solve Related Issues

Updated: Jan-20

Elasticsearch Version: 1.7-8.0


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To troubleshoot log “License mode valid” it’s important to understand a few problems related to Elasticsearch concepts license, plugin. See bellow important tips and explanations on these concepts

Log Context

Log”License [{}] mode [{}] – valid” classname is LicenseService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                if (previousLicense != null) {
                    // remove operationModeFileWatcher to gc the old license object
                logger.info("license [{}] mode [{}] - valid"; license.uid();
            updateLicenseState(license; currentLicensesMetaData.getMostRecentTrialVersion());

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 License Basic Inactive  

License Expired  


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