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https://issues.apache.org/jira/browse/ISIS-766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14107084#comment-14107084
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Ranganath Chittari commented on ISIS-766:
-----------------------------------------

Hi Dan,

I understand your concern. Next time if there is any issue i will upload sample 
project without much effort to be reproducible.
To unblock the situation, For hstore, can you please execute the following 
statement

CREATE EXTENSION IF NOT EXISTS hstore WITH SCHEMA gemsods;
set search_path='gemsods';

After this you can now reproduce the issue


BR
Ranganath Varma


> ISIS Service / ViewModel method calling twice when this method processing 
> BLOB type
> -----------------------------------------------------------------------------------
>
>                 Key: ISIS-766
>                 URL: https://issues.apache.org/jira/browse/ISIS-766
>             Project: Isis
>          Issue Type: Bug
>          Components: Viewer: Wicket
>    Affects Versions: viewer-wicket-1.4.1
>            Reporter: Ranganath Chittari
>            Assignee: Dan Haywood
>            Priority: Blocker
>             Fix For: viewer-wicket-1.7.0
>
>         Attachments: BBY Provisioning Template V1 12.3.xlsx, 
> Behaviour-Rejected-Error.log, Files.zip, Upload-Invocation-Failed.log, dom.zip
>
>
> Isis service or ViewModel method getting called twice.
> For ex:
> I have one Hidden service which has lookup method with @HomePage returning  a 
> ViewModel instance using newViewModelInstance(..) method and that renders one 
> action method taking Blob parameter as button. It's basically upload button 
> to upload a file. When I click on upload button, this upload method called 
> and completed the uploading and again getting called second time by itself. 
> And this is inconsistent behavior. Some times its working(meaning called only 
> once) but some other times it's not.
> So I tried this upload action with service class by extending AbstractService 
> which appears in the menu with Upload action. Here also it's the same issue.
> Please find attached files in this Jira as I don't have GIT client to push 
> the files in github
> BR
> Ranganath Varma



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