Github user prabhjyotsingh commented on the issue:
https://github.com/apache/zeppelin/pull/2885
That sounds like nothing came back from the backend, can you check your
WebSocket messages for "op= COMPLETION_LIST", then look under data.completions,
that should be an empty array.
Right now this PR is suppressing the default (BasicAutocompletion)
completion if `completionSupport` is set to `true` for a given interpreter,
should I change this to, if the return list is empty, then show the basic
autocompletion?
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