Re: [aspectj-dev] NPE with @args

[Oliver Böhm <boehm@xxxxxxxxxx>]

Hi Eric,

I reported it now as Bug 257833 and create a simple eclipse project to 
reproduce the problem.

Oliver

Eric Bodden schrieb:
> Hi Oliver. Although I am not a developer in the aspectj project I
> think it's fair to say that this looks a lot like a bug in the
> implementation of the aspectj compiler. I think it would be good to
> raise a bug report.
>
> Eric
>
> 2008/12/7 Oliver Böhm <boehm@xxxxxxxxxx>:
> > Hello,
> >
> > I defined a @NotNull annotation to protect in the first step constructors
> > like this:
> >
> >    public NotNullTest(@NotNull String s) {
> >        ...
> >    }
> >
> > I defined the following pointcut and (empty) advice:
> >
> >    pointcut ctorWithNotNullArg() :
> >        execution(*..*.new(*)) && @args(NotNull);
> >
> >    before() : ctorWithNotNullArg() {
> >        // empty
> >    }
> >
> > When I call the NotNullTest constructor with a null string I get a
> > NullPointerException pointing direct to the first line of the constructor:
> >
> > java.lang.NullPointerException
> >    at patterntesting.check.runtime.NotNullTest.<init>(NotNullTest.java:48)
> >    at
> > patterntesting.check.runtime.NotNullTest.testCtorNotNullArg(NotNullTest.java:76)
> >    ...
> >
> > I don't understand why I got a NPE here. When I use "args(String)" instead
> > of "@args(NotNull)" it works normal. Is this behaviour a known bug or did I
> > something wrong?
> >
> > regards
> > Oliver