Large dataset: No node exception

Elastic Stack Elasticsearch
1

I am running Elasticsearch 5.4.1 with a java client(1.8) which uses the API to make Elasticsearch calls. It is on a Mac. I have a large number of documents which I have to search on / insert/ and merge on. (~ 8000 documents)

I get this exception

None of the configured nodes are available: [{#transport#-1}{gNzkHZmURzaabE336I-T4w}{localhost}{127.0.0.1:9300}]

The thing is, it works with a smaller number of entries (e.g. 4000 documents). So the connection seems to be going down for some reason? Should I allocate more memory/ use more nodes to it? Is there some weird garbage collection going on?

According to the activity monitor for the Mac, memory pressure is fine.

2

You should use the Rest Client instead.
What happens if you run the same query from the Kibana dev console?

May be you have too big documents?

3

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