[nhibernate-issues] [JIRA] Commented: (NH-2070) Laconic error message - "object references an unsaved transient instance"

[NHibernate J. <nh...@gm...>]

    [ http://nhjira.koah.net/browse/NH-2070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18989#action_18989 ] 

Krzysztof Koźmic commented on NH-2070:
--------------------------------------

I don't think you should do .ToString() - type.ToString is safer. You don't want to leak potentially sensitive information in exceptions, plus it could be less helpful.

> Laconic error message - "object references an unsaved transient instance"
> -------------------------------------------------------------------------
>
>                 Key: NH-2070
>                 URL: http://nhjira.koah.net/browse/NH-2070
>             Project:  NHibernate
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 2.1.2.GA
>            Reporter: Krzysztof Koźmic
>            Priority: Minor
>
> In case when Merging object referencing transient instance NHibernate throws error:
> "NHibernate.TransientObjectException : object references an unsaved transient instance - save the transient instance before flushing. Type: Foo, Entity: Foo"
> This is not  very helpful in diagnosing the problem as it does not say how the object is referenced.
> A more helpful message would be:
> "NHibernate.TransientObjectException : Property Bar on object Foo is set to a transient object BarImpl- save the transient BarImpl before flushing (or set cascade action for the property to something that would make it autosave). Type: Foo, Entity: Foo"

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