Building langtools on MacOS fails with reference to Version is ambiguous

Jacek Laskowski jacek at
Thu Dec 9 13:16:59 PST 2010

On Thu, Dec 9, 2010 at 2:30 PM, Maurizio Cimadamore
<maurizio.cimadamore at> wrote:

> You might try to use OpenJDK 7 instead and see if that makes any difference
> - it could be that the OpenJDK 7 build for MacOS does not have the
> bootclasspath problem I was talking about, so that you won't be required to
> do any changes at all.

Yay! You're right - J7 did make a difference!

$ ant

Total time: 30 seconds

Thanks! I have not run any tests with the tools yet and will report
any discrepancies.


Jacek Laskowski
Notatnik Projektanta Java EE -

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