Github user robertdale commented on the issue:
https://github.com/apache/tinkerpop/pull/433
Tested a clean console build with 3.2.2 server. Pinging works as expected.
Closing each Client, a Cluster, and ':remote close' does stop pinging as
expected.
Not sure what the expected behavior is here but this does not stop pinging
after close. I had expected it to work like Client. Instead the Cluster must
be closed.
```
cluster = Cluster.open('conf/remote-objects.yaml')
rem = DriverRemoteConnection.using(cluster, 'g')
g = EmptyGraph.instance().traversal().withRemote(rem)
g.V()
rem.close()
```
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