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Re: [aspectj-dev] NPE with @args

Hi Oliver,

As Eric says, raise a bug for that.  Although wouldn't you be better
off with static matching of that annotation?

execution(*.new(@NotNull (*)))

cheers,
Andy.

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
> --
> Oliver Böhm
> http://www.javatux.de
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