[jira] [Created] (ZEPPELIN-1938) Zeppelin does not close files in local-repo correctly / tries to delete them when changing interpreter settings

["Frank Rosner (JIRA)" <ji...@apache.org>]

Frank Rosner created ZEPPELIN-1938:
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             Summary: Zeppelin does not close files in local-repo correctly / tries to delete them when changing interpreter settings
                 Key: ZEPPELIN-1938
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1938
             Project: Zeppelin
          Issue Type: Bug
    Affects Versions: 0.6.2
            Reporter: Frank Rosner


h4. Problem

Sometimes when we are trying to change some interpreter settings after already working with Zeppelin for some time we get an error message that says:

{noformat}
Unable to delete file: /usr/local/zeppelin/local-repo/2BGVKK81C/.nfs0000000000103329930200100ac
{noformat}

Then the interpreter settings are not changed and Zeppelin starts behaving weird. After a restart it works again.

These files are created by NFS 3 which we use to store our configuration, notebooks, local repo, etc. They are created when files are opened afaik. The fact that it tries to delete them but cannot looks like a problem of Zeppelin not closing some files there but trying to delete them in the meantime.

h4. Questions

- Why does Zeppelin want to delete this files when making changes to the interpreter configuration?

- As making changes to the interpreter settings is working after a restart but not when working with Zeppelin for a while could it be that it is related to artifacts (jars etc.) being downloaded to the local repo? Why does changing the interpreter settings affect the local repo in the first place?




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