Hyukjin Kwon

If you propose to switch the protocol, that won't likely happen in the near future. If you meant to send the actual JSON, I believe you can already do it...

Is there any workaround for this BTW?

Hey @zjffdu, busy? I can take this over - looks there's only minor conflict.

Spark 2.4 support was added at https://github.com/apache/zeppelin/pull/3206, which exactly addresses the issue you faced - see this line https://github.com/apache/zeppelin/pull/3206/files#diff-b935226b71a3cfbabfb5324b9264c430L84. This will be available in new release of Zeppelin.

I'm not aware of release plan in Zeppelin since I'm just one of contributors. For the current status, the Spark should be downgraded as far as I can tell.

Yup.. let me take a look

Yeah, I think the change is good. @bzhaoopenstack sorry I think it slipped through my fingers. Mind updating this please?

If this behaviour is considered as a more appropriate and correct: - Python side should have the same behaviour as well. Python side does not make a request when the...

Merged to master.

Merged to master.