[jira] [Created] (ZEPPELIN-3998) Interpreter hangs in "downloading dependecies" when Zeppelin is behind proxy

["Fabiano Francesconi (JIRA)" <ji...@apache.org>]

Fabiano Francesconi created ZEPPELIN-3998:
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             Summary: Interpreter hangs in "downloading dependecies" when Zeppelin is behind proxy
                 Key: ZEPPELIN-3998
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-3998
             Project: Zeppelin
          Issue Type: Bug
    Affects Versions: 0.8.1, 0.8.0
            Reporter: Fabiano Francesconi


I am running Zeppelin behind a proxy (meaning that there is no Internet connectivity in the data center). However, locally I have a repository deployment that could serve artifacts to the various interpreters.

I have added my repository to the repositories section and everything works flawlessly in other environments where internet access is granted. In this specific environment, each interpreter has a spinning circle "dependencies are downloaded" which prevents users from using it. As a note, after few hours typically everything goes back to green, as I assume the connection times out and the work can proceed.

By looking to the connections, I see a connection open towards `151.101.36.209:80` (I assume is repo.maven) with a fixed SYN_SENT status. This tells me that the problem is not about reaching my repositories but rather to access the central one, which I cannot delete nor disable.

I tried to do everything I could:
* Exported http_proxy and https_proxy env variables
* Passed "http/s.proxyHost" system properties to the JVM

Nothing seems to work. Are there any known workarounds to the problem?



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