LogStash unable to retrieve license information from license. Response code '401' contacting Elasticsearch at URL 'http://elasticsearch:9200/_xpack'
_xpack error can also occur when the monitoring data from logstash is not able to reach elasticsearch.
Have you checked if the below works?
xpack.monitoring.elasticsearch.username: "logstash_system"xpack.monitoring.elasticsearch.password: => "l12345" You can check if the credentials are correct by running something like below:
curl -XGET http://<elasticsearch IP>:9200 -u logstash_system:l12345 orcurl -XGET https://<elasticsearch IP>:9200 -u logstash_system:l12345 -k