Alexander Wenzel created ZEPPELIN-2457:
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Summary: Empty Commit to (Git) Version Control after paragraph
change
Key: ZEPPELIN-2457
URL: https://issues.apache.org/jira/browse/ZEPPELIN-2457
Project: Zeppelin
Issue Type: Bug
Affects Versions: 0.7.0
Reporter: Alexander Wenzel
Priority: Critical
We are working with GIT version control and have encountered some strange
behavior
regarding commits (changes being lost, commits being empty).
Now we were able to invest some time to look into it and were able to reliably
reproduce it:
h3. BUG:
---
When editing a paragraph and then commiting via "Version Control" Button in
Zeppelin Toolbar,
an empty commit will be performed (containing no changes at all).
Similarly, when editing a paragraph, then running the paragraph, then editing
it again
and then commiting via "Version Control" Button in Zeppelin Toolbar,
the commit will only contain the changes before running the paragraph.
We took some look into the websocket frames being sent:
While editing the paragraph, only "PING" frames were sent.
The Commit Button only sent one "CHECKPOINT_NOTE" frame, which does not contain
any paragraph text.
h3. Current Workarounds:
---
Perform one of the following actions before commiting:
## 1) Changing the paragraph title
^ will send websocket frame (containing the changes):
"op":"COMMIT_PARAGRAPH"
## 2) Running the changed paragraph
^ will send websocket frame (containing the changes):
"op":"RUN_PARAGRAPH"
## 3) Running all paragraphs (of the notebook)
^ will send websocket frame (containing the changes):
"op":"RUN_ALL_PARAGRAPHS"
h3. Proposed Bug Fix:
---
Triggering a Commit via "Version Control" Button in Zeppelin Toolbar
should send a "COMMIT_PARAGRAPH" websocket frame (similar to the one, when
changing a paragraph title).
Please note this is only a proposal based on our observation on the websocket
frames being exchanged. Any solution is welcome :)
If you need any further infos, please ask.
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