Debugging Elasticsearch
This isn't part of the course, but we'll use this section to document various debugging session during the course.
Kibana cannot connect to Elasticsearch
I ran into this error while trying to startup Kibana for the second time:
[elasticsearch-service] Unable to retrieve version information from Elasticsearch nodes. Request timed out
This suggests Kibana cannot connect to ES.
Firt check if ES is running:
curl localhost:9200/
If there is an empty response, it means Debugging