A bug in Ratel where certain responses are not handled well.

[farscape2012]

If you suspect this could be a bug, follow the template.

• What version of Dgraph are you using?
  go version go1.9.3 darwin/amd64
  Dgraph version: V1.0.2 (latest)

• Have you tried reproducing the issue with latest release?
  yes

• What is the hardware spec (RAM, OS)?
  Mac OS, 16GB

Checking dgraph forum https://discuss.dgraph.io/t/a-query-led-to-not-connected/2195

[catroot]

I found this report, but predicate got deleted.

[gpahal]

The fix for the bug has landed in the master branch.

@catroot I cannot reproduce the same issue. ratel uses raw HTTP requests and the error is about an internal grpc call. Can you file a different issue with your environment details? It seems to be different from the original issue.