[jboss-user] [JBoss Seam] - validation and persisting

[miloslav.vlach]

Hi,

I have problem with validation on the server side. Let's imagine I change data on the web  form and submiting. On the call I decide that combination is wrong and add message to the FacesMessage and return null. But problem is, that some changes are saved to the database.

Have I to throw some exception or I have to return null only ?

Thanks Mila

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