kevinjmh opened a new pull request, #4730: URL: https://github.com/apache/zeppelin/pull/4730
### What is this PR for? NPE occur when adding the driver specific SQL completions. Some driver does not implement method `DatabaseMetaData.getDriverName()` may cause exception and fail to initialize `keywordCompleter`. Since it is optional, we should avoid such driver interfere the default one, and log it for the profession ### What type of PR is it? Bug Fix ### Todos * [ ] - Task ### What is the Jira issue? * Open an issue on Jira https://issues.apache.org/jira/browse/ZEPPELIN/ * Put link here, and add [ZEPPELIN-*Jira number*] in PR title, eg. [ZEPPELIN-533] ### How should this be tested? * Strongly recommended: add automated unit tests for any new or changed behavior * Outline any manual steps to test the PR here. ### Screenshots (if appropriate)  ### Questions: * Does the license files need to update? * Is there breaking changes for older versions? * Does this needs documentation? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
