Re: OGNL expression problem
Christian Sell <[email protected]>
| Newsgroups | gmane.comp.java.tapestry.devel |
|---|---|
| Message-ID | <[email protected]> |
figured it out myself. I was using the expression for an in/out binding (option/selected), and OGNL was refusing to let the write go through (InappropriateExpressionException). I wasnt expecting that the (boolean) "selected" parameter was also written to. thanks, Christian ---- Original message ---- >Datum: Wed, 18 Dec 2002 18:41:28 -0700 >Von: Drew Davidson <[email protected]> >Betreff: Re: [Tapestry-developer] OGNL expression problem >An: [email protected] > >Christian Sell wrote: > >>Hello, >> >>I am encountering problems using OGNL expressions of the following form: >> >><binding name="some" expression="selectedValue == previousValue"/> >> >>the first time this binding is invoked it executes OK, but the second time >>it throws an exception, stating something about an invalid OGNL expression, >>pointing at some "Eq" token. It seems "Eq" is an OGNL- internal >>representation of the parsed "==" token. >> >>I also tried the form >> >><binding name="some" expression="[selectedValue == previousValue]"/> >> >>but that didnt help either. >> >> >May I see the stack trace? That would help enormously. > >- Drew > >-- >+---------------------------------+ >< Drew Davidson | OGNL Technology > >+---------------------------------+ >| Email: [email protected] / >| Web: http://www.ognl.org / >| Vox: (520) 531-1966 < >| Fax: (520) 531-1965 \ >| Mobile: (520) 405-2967 \ >+---------------------------------+ > > > > > >------------------------------------------------------- >This SF.NET email is sponsored by: Order your Holiday Geek Presents Now! >Green Lasers, Hip Geek T-Shirts, Remote Control Tanks, Caffeinated Soap, >MP3 Players, XBox Games, Flying Saucers, WebCams, Smart Putty. >T H I N K G E E K . C O M http://www.thinkgeek.com/sf/ >_______________________________________________ >Tapestry-developer mailing list >[email protected] >https://lists.sourceforge.net/lists/listinfo/tapestry- developer -- [email protected] ------------------------------------------------------- This SF.NET email is sponsored by: Geek Gift Procrastinating? Get the perfect geek gift now! Before the Holidays pass you by. T H I N K G E E K . C O M http://www.thinkgeek.com/sf/