Checking license notice for – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 5.5-5.5

Briefly, this error occurs when Elasticsearch is unable to verify the license due to a possible misconfiguration or network issue. This could prevent the use of certain features. To resolve this, ensure that the Elasticsearch cluster has a valid license. If it’s expired, you need to update it. Also, check your network settings to ensure that Elasticsearch can communicate with the license server. If the issue persists, you may need to reinstall Elasticsearch or contact support for further assistance.

This guide will help you check for common problems that cause the log ” Checking license/notice for ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: task.

Log Context

Log “Checking license/notice for” classname is DependencyLicensesTask.groovy.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

} else {
      "Checking sha for " + jarName)
                checkSha(dependency; jarName; shaFiles)

  "Checking license/notice for " + depName)
            Matcher match = mappingsPattern.matcher(depName)
            if (match.matches()) {
                int i = 0
                while (i 


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