Exception in Graph java client while connecting to Remote Graph DB

Users Dgraph
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Are you connecting to Dgraph via the gRPC port? The gRPC port is 9080 by default.

This error suggests that you could be connecting to the HTTP port (not the gRPC port). This is exactly like a question asked on grpc-java: First received frame was not SETTINGS. Hex dump for first 5 bytes · Issue #2905 · grpc/grpc-java · GitHub

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