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https://issues.apache.org/jira/browse/IGNITE-11717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16816158#comment-16816158
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Ilya Borisov commented on IGNITE-11717:
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[~kuaw26] the fix looks good to me, if it works. Maybe add a unit/e2e test?

> Web console: project generation runtime error caused by IGFS
> ------------------------------------------------------------
>
>                 Key: IGNITE-11717
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11717
>             Project: Ignite
>          Issue Type: Bug
>          Components: wizards
>            Reporter: Ilya Borisov
>            Assignee: Alexey Kuznetsov
>            Priority: Major
>         Attachments: image-2019-04-10-17-52-48-599.png
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> *What happens:*
> Runtime error in console.
>  !image-2019-04-10-17-52-48-599.png! 
> How to reproduce:
> 1. Go to cluster configuration/create igfs.
> 2. Choose "Caching" FS factory.
> 3. Choose "Chained" user name mapper.
> 4. Open new mapper sub form, choose custom.
> 5. Change FS factory a couple of time, change it back to "Caching".
> 6. Do the same with with "Name mapper" select, change it back to "Custom".
> 7. If the error does not happen, play around by changing other select values.
> *Expected behavior:*
> Run time error should not happen.
> This happens in master. [~vsisko] I think you should look into why `bean` is 
> `null` or handle this case gracefully.



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