The difference is in how your string is created.
I would make a guess that getValue() returns null at some point and
the call to toString() generates a NPE type error in javascript.
Concatenation like in your second snippet, will create a new string
and concatenate the return of getValue(). Null is okay to
concatenate.
To verify, do a check for null or look for "null in your output.
On May 24, 8:05 am, Yulia <yuli...@gmail.com> wrote:
> After all day beating my head against the keybord I found where the
> problem was. I reverted all changes to stable version and statrted to
> add code bit by bit and noticed that after changes in
> AttributeValue.toString() method my program started to fail again.
>
> This code doesn't work:
> @Override
> public String toString() {
> return getValue().toString();
> }
>
> But this code works:
> @Override
> public String toString() {
> return ""+getValue();
> }
>
> But it should be the same... Maybe I misunderstand something, can
> somebody explain me the difference?
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