Did you do your debugging in your backing bean action or do you only look at the database? If JPA is involved, then the jpa provider may replace null with empty strings (known issue on oracle).
LieGrue, strub --- On Mon, 1/10/11, Marsman <mars....@gmx.de> wrote: > From: Marsman <mars....@gmx.de> > Subject: Re: How to persist null values with JSF2? > To: users@myfaces.apache.org > Date: Monday, January 10, 2011, 9:48 AM > > I've also set this context parameter to true, but entity > properties are not > set to null. I got empty strings and 0 again. After that, > I've downloaded a > small JSF 2 example and deployed it. I got the same problem > again. With > MyFaces 2.0.3 and Tomcat 6.0.29. What am I doing wrong? > :-( > > Titus > > > > > Jakob Korherr wrote: > > > > Hi, > > > > As for JSF 2.0, setting > > > javax.faces.INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL > to true > > should do the trick. > > > > I just tested it with MyFaces 2.0.3 and it worked fine > (for both > > String and Integer properties). > > > > Regards, > > Jakob > > > > 2011/1/8 Marsman <mars....@gmx.de>: > >> > >> Hi! > >> > >> Since migrated my application to JSF 2 I'm no able > to persist an empty to > >> null converted value in the database. The values > passed in > >> managedBean.setModel(model) are empty strings for > example again. I'm > >> looking > >> for a reason of this behaviour for a few days now > and would be happy, if > >> anybody can help me. Here are some snippets of my > code: > >> > >> ... > >> > >> Titus > >> > >> > >> -- > >> View this message in context: > >> http://old.nabble.com/How-to-persist-null-values-with-JSF2--tp30622750p30622750.html > >> Sent from the MyFaces - Users mailing list archive > at Nabble.com. > >> > >> > > > > > > > > -- > > Jakob Korherr > > > > blog: http://www.jakobk.com > > twitter: http://twitter.com/jakobkorherr > > work: http://www.irian.at > > > > > > -- > View this message in context: > http://old.nabble.com/How-to-persist-null-values-with-JSF2--tp30622750p30632274.html > Sent from the MyFaces - Users mailing list archive at > Nabble.com. > >
