Briefly, this error occurs when Elasticsearch is trying to map a dependency name for license checking, but it encounters an issue. This could be due to incorrect configuration or a bug in the software. To resolve this issue, you can try the following: 1) Check your Elasticsearch configuration for any errors or inconsistencies. 2) Update your Elasticsearch to the latest version, as this might be a bug that has been fixed in a newer release. 3) If the error persists, consider reaching out to Elasticsearch support or community forums for further assistance.
This guide will help you check for common problems that cause the log ” Mapped dependency name ${name} to ${mapped.get(i)} for license check ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: task.
Overview
A task is an Elasticsearch operation, which can be any request performed on an Elasticsearch cluster, such as a delete by query request, a search request and so on. Elasticsearch provides a dedicated Task API for the task management which includes various actions, from retrieving the status of current running tasks to canceling any long running task.
Examples
Get all currently running tasks on all nodes of the cluster
Apart from other information, the response of the below request contains task IDs of all the tasks which can be used to get detailed information about the particular task in question.
GET _tasks
Get detailed information of a particular task
Where clQFAL_VRrmnlRyPsu_p8A:1132678759 is the ID of the task in below request
GET _tasks/clQFAL_VRrmnlRyPsu_p8A:1132678759
Get all the current tasks running on particular nodes
GET _tasks?nodes=nodeId1,nodeId2
Cancel a task
Where clQFAL_VRrmnlRyPsu_p8A:1132678759 is the ID of the task in the below request
POST /_tasks/clQFAL_VRrmnlRyPsu_p8A:1132678759/_cancel?pretty
Notes
- The Task API will be most useful when you want to investigate the spike of resource utilization in the cluster or want to cancel an operation.
Log Context
Log “Mapped dependency name ${name} to ${mapped.get(i)} for license check” classname is DependencyLicensesTask.groovy.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
String name = jarName - ~/\-\d+.*/
Matcher match = mappingsPattern.matcher(name)
if (match.matches()) {
int i = 0
while (i
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