GitHub user cloverhearts opened a pull request:
https://github.com/apache/zeppelin/pull/2278
[ZEPPELIN-2431] Corrected deletion of notes by incorrect interpreter.json
### What is this PR for?
We sometimes can not delete a note, or we will be accompanied by an NPE for
deleting a note.
This problem occurs when:
When interpreter.json 's note binding is wrong, or there is a problem.
If you are configuring an interpreter that is not through zeppelin's user
interface.
As a result, it happens when synchronization of notes deletion and setting
retention is not normal.
Therefore, we should add handling for note deletion and exception handling
for nonexistent interpreter bindings.
It reduces the synchronization problem of interpreter.json.
### What type of PR is it?
Bug Fix
### What is the Jira issue?
https://issues.apache.org/jira/browse/ZEPPELIN-2431
### How should this be tested?
1. zeppelin stop
2. edit con/interpreter.json and `interpreterBindings`
fix any notes or incorrect information.
for example
```
},
"interpreterBindings": {
"2CFS9YSM5": [
"2CFRR1D3TINVALIDINVALIDINVALID", <-- edit
"2CFZ1JKUR",
"2CEAJK1VW",
"2CGSESWBH",
"2CERNPGW5",
}
```
3. zeppelin start
4. You can try remove invalid interpreter bind note on web. (on example =
`2CFS9YSM5`)
result :
If the modifications to this PR are not reflected,
It will not be deleted or an error will appear on the server.
Also, the interpreterBindings information in interpreter.json does not
respond to delete events.
### Screenshots (if appropriate)
### Questions:
* Does the licenses files need update? no
* Is there breaking changes for older versions? no
* Does this needs documentation? no
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloverhearts/zeppelin
fix/invalidsyncInterpreterJson
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/2278.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2278
commit 35da524cc00c40531072130424fb38419e4612f4
Author: CloverHearts
Date: 2017-04-24T07:16:47Z
notebook interpreter binding synchronization process
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