[jira] [Commented] (OLINGO-1148) Cannot set Nullable property to null value on entity Update

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

    [ https://issues.apache.org/jira/browse/OLINGO-1148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16101207#comment-16101207 ] 

Ramya commented on OLINGO-1148:
-------------------------------

Hi Daniel,
The fix is provided as part of commit https://git-wip-us.apache.org/repos/asf?p=olingo-odata2.git;a=commit;h=bb2517adba6294260c6215e5bc9085264792b1f9

Regards,
Ramya

> Cannot set Nullable property to null value on entity Update
> -----------------------------------------------------------
>
>                 Key: OLINGO-1148
>                 URL: https://issues.apache.org/jira/browse/OLINGO-1148
>             Project: Olingo
>          Issue Type: Bug
>          Components: odata2-core
>    Affects Versions: V2 2.0.7, V2 2.0.8
>            Reporter: Daniel Horvath
>            Priority: Critical
>
> Hello colleagues,
>  
> We have found a strange behaviour in the update process of an entity in Olingo (2.0.7) OData 2.0.
>  
> When we try to set a property to {color:red}null{color} value it is not set but the old value remains. It is caused by the implementation of:
> {color:red}setProperty(final Method method, final Object entity, final Object entityPropertyValue,final EdmSimpleType type, String propertyName){color}
> method in {color:red}org.apache.olingo.odata2.jpa.processor.core.access.data.JPAEntity{color} class.
>  
> In line 472 there is a check if the entityPropertyValue is null then skip the setting of the value completely.
> The protocol documentation says that we can use the Nullable facet on all the EDMSimpleType-s because it’s a Commonly Applicable Facet. (Section 2.2.1.1.1. in https://winprotocoldoc.blob.core.windows.net/productionwindowsarchives/MC-CSDL/%5bMC-CSDL%5d.pdf)
> We think that the setting of null value to a Nullable property should be allowed.
> If you have further questions please feel free to contact me.
> Best regards,
> Daniel



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