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https://issues.apache.org/jira/browse/TOREE-497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16790830#comment-16790830
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Kevin Bates commented on TOREE-497:
---
I'm unable to reproduce this using Notebook/Lab. However, it doesn't appear as
though its even sending an empty cell's content for execution.
How are you producing this issue? If not via Notebook, can you please describe
your client application? If you are using Notebook, please provide version
information and whether you're using a jupyter gateway with NB2KG or not.
> Fail to executing empty cell
>
>
> Key: TOREE-497
> URL: https://issues.apache.org/jira/browse/TOREE-497
> Project: TOREE
> Issue Type: Bug
> Components: Kernel
>Affects Versions: 0.3.0
>Reporter: Manu Zhang
>Priority: Major
>
> Executing empty cell would throw
> {code:java}
> java.lang.ClassNotFoundException: java.lang.String cannot be cast to
> scala.collection.immutable.Map
> {code}
> at {{ExecuteRequestRelay$packageFutureResponse}}
> It seems {{Map}} is expected for {{ExecuteResult}} but a {{String}} is
> returned when executing empty cell.
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