Per devs above. Using 1.1.0. If a common error with 1.1.0, can upgrade to newer versions.ElasticSearch is installed and configured on server side. Its working perfectly fine on server side.
When we connect it with XF, it occasionally throws an error:
"Elasticsearch server returned no response. Is it running? Elasticsearch indexing failed"
Above error is not permanent and search works fine for most of the time. We also get the same issue while reindexing.
NOTE: Our server is having MySQL issues and I suspect that this issue is connected to MySQL server going down..