[jira] [Resolved] (TOREE-389) Scala interpreter hangs if Spark is referenced before it is bound

["Luciano Resende (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TOREE-389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luciano Resende resolved TOREE-389.
-----------------------------------
       Resolution: Fixed
         Assignee: Ryan Blue
    Fix Version/s: 0.2.0

Closing as PR #108 is already merged. Please reopen if there are any other items still in progress.

> Scala interpreter hangs if Spark is referenced before it is bound
> -----------------------------------------------------------------
>
>                 Key: TOREE-389
>                 URL: https://issues.apache.org/jira/browse/TOREE-389
>             Project: TOREE
>          Issue Type: Bug
>            Reporter: Ryan Blue
>            Assignee: Ryan Blue
>             Fix For: 0.2.0
>
>
> Some users run cells in a notebook before the kernel is finished starting. The messages are queued and run after the KernelMessageRelay is enabled, but any messages that reference {{spark}} or bound variables cause IMain to throw an exception. That exception causes the interpreter to hang.
> It seems odd that a missing variable reference causes IMain to throw an exception, so there may be a threading issue, a race between binding {{spark}} and the cell that references it.
> The problem can be avoided by moving {{postInit}} tasks into init.



--
This message was sent by Atlassian JIRA
(v6.3.15#6346)