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From Marvin Humphrey <>
Subject Re: Lucene's default settings & back compatibility
Date Thu, 21 May 2009 17:59:04 GMT
Mike McCandless:

> Well this is what I love about the actsAsVersion solution.  There's no
> pain for our back-compat users (besides the one-time effort to set
> actsAsVersion), and new users always get the best settings.

When some mad-as-hell user complains to this list after spending an inordinate
amount of time chasing down an action-at-a-distance bug because of this
insidious and irresponsible OO design decision, I intend to follow up their
email with an I-told-you-so.

There's an action-at-a-distance bug in the Perl core module '' that
bedeviled people for years before I finally cornered it.  Turns out it can't
be fixed, but at least now we know what's happening:

    While this error does not occur frequently in the wild, when it does, the
    cost to the user is high because the debug path is obscure. I personally
    encountered it after failing to wrap a "use_ok" test in a BEGIN block;
    isolating it took me... longer than I would have liked. ;)

That bug has led to 'base' having a compromised reputation among elite users
because of intermittent, inexplicable flakiness.  Is that what you want for

Marvin Humphrey

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