[jira] [Created] (ZEPPELIN-1482) Reload local dependencies to interpreter on restart if the library has changed

["Mina Lee (JIRA)" <ji...@apache.org>]

Mina Lee created ZEPPELIN-1482:
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             Summary: Reload local dependencies to interpreter on restart if the library has changed
                 Key: ZEPPELIN-1482
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1482
             Project: Zeppelin
          Issue Type: Bug
            Reporter: Mina Lee
            Assignee: Mina Lee


If user specifies dependency path in interpreter dependency setting, even when the file in that path is updated, updated file doesn't take effect on interpreter restart but only when user click Edit -> Save.

The mechanism of dependency loading is copying all dependency libraries under interpreter/{interpreterId} directory and add these directory to classpath of interpreter process. Zeppelin copies these dependency files either on Zeppelin startup or dependency information saving/editing.

Zeppelin also need to check if the file is updated, and copy them again on restart if there is change.

Here is the bug report on users mailing list
http://apache-zeppelin-users-incubating-mailing-list.75479.x6.nabble.com/Dependency-jars-not-refreshed-after-interpreter-restart-in-Zeppelin-0-6-1-td4035.html



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