Copy fails: build succeeds?

[Koster, K.J.]

Dear All,

I'm sure this must be a FAQ, but I could not find an answer.

When I use a <copy> task and the source file is not present, the copy task
generates an error message and continues. Ant finally proudly announces that
the build has succeeded, when I'm obviously stuck with a failed build.

How can I tell Ant to fail the build process instead?

    Kees Jan

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