Advice + proposals regarding automodule naming

Brian Fox brianf at
Fri Feb 24 17:56:20 UTC 2017

Hi Mark,

We maintain a separate database of the complete list of all files
(recursively unpacked and hashed) that drives our Lifecycle suite of
products, so the count of came from here. My guess is that
since the internal maven isn't likely a full mirror, there's just a sample
skew there.

On Fri, Feb 24, 2017 at 12:10 PM, <mark.reinhold at> wrote:

> 2017/1/16 1:37:08 -0800, Robert Scholte <rfscholte at>:
> > ...
> >
> > Proposal 1: Leverage existing coordinates when available.
> >
> > Maven is inarguably the most popular build system for Java components,
> > with Maven Central being the default and largest repository of Java
> > components in the world. By default, every jar built by Maven
> > automatically gets a simple properties file inserted into it with its
> > unique coordinates. Now, not every jar in Central was built with Maven,
> > however 94% of them were, as we can find the file in
> > 1,806,023 of the 1,913,561 central components . Talk about the default
> > effect in action!
> I've been wondering about a discrepancy between this figure and a
> similar figure that I obtained from a set of Oracle-internal Maven
> repositories, which by now include a reasonable sampling of what's in
> Central.
> My count shows that only about 80% of roughly 350,000 JAR files contain
> at least one `` file.  (Some contain more than one, but
> that's a different problem.)
> I'm only counting regular JAR files, i.e., ignoring those with non-empty
> classifiers such as `sources` and `javadoc`.  Could the discrepancy
> between my count and yours be that you're counting all JAR files,
> regardless of classifier?
> Or is there some other possibility?  Maybe my sample is just skewed ...
> - Mark

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