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From Curtis Rueden <>
Subject Re: Maven Central Opinion
Date Sun, 05 Jan 2014 20:18:42 GMT
Hi Tommy,

> One of the "mvn release:*" commands (dont rember which ) failed if I
> did not have a SNAPSHOT version and told me the problem was that I did
> not have a SNAPSHOT version.

I did not notice any other reply specifically troubleshooting this problem,
so... my guess is that you have a SNAPSHOT dependency in your dependency
hierarchy. You cannot cut a release unless it only depends on releases.
Otherwise, the behavior of the release could change out from under you
if/when that SNAPSHOT version is updated.

If you share the exact error message you received, others can assist in
more detail.


On Sun, Jan 5, 2014 at 10:29 AM, Tommy Svensson <> wrote:

> Well, I guess I have my answer, I am alone :-).
> Many people are telling me that both the sonatype super pom and SNAPSHOTs
> are optional. I obviously have been reading the wrong instructions. This is
> the instructions I've followed:
> Are there better, clearer instructions somewhere else ? One of the "mvn
> release:*" commands (dont rember which ) failed if I did not have a
> SNAPSHOT version and told me the problem was that I did not have a SNAPSHOT
> version. So is the above page completely wrong ? Are there other "mvn
> release:*" goals to run ?
> I also don't buy the argument that release complexity gives better quality.
> Many of the responses to my mail have also indicated that the update of my
> github repository is a totally obvious thing. I simply do not accept that.
> When I update my repository and what I update it with is my and only my
> decision! I went around this problem by making a copy repository before
> going through the release steps, and then deleted the copy afterwards,
> keeping my original intact. It was already in the state I wanted it before
> releasing to maven central. The only thing I want to release to maven
> central is binaries! My repository should not be touched. So if there is no
> way around that happening I guess I have released my first and last code to
> maven central.
> Anyhow, my question have been answered very clearly.
> Tommy
> 5 jan 2014 kl. 16:18 skrev Markus Karg <>:
> > I uploaded lots of not-even-Mavenized prebuilt JARs to Maven Central and
> can tell you that you simply misunderstood these terms as "essential"
> requirements -- in fact most of them are only "best practices". You do
> neither need to have the Sonatype POM, it will just make things easier, nor
> do you have to use SNAPSHOTs. You can simply upload a prebuilt JAR file.
> The only "hard" requirements are a "good" POM, signing the JAR with GPG,
> uploading it to the OSS nexus instance, then closing and releasing it. This
> it at-most simple and done in minutes. If you need help, feel free to
> contact me at, I can guide you.
> >
> > -----Original Message-----
> > From: Tommy Svensson []
> > Sent: Sonntag, 5. Januar 2014 14:15
> > To: Maven Users List
> > Subject: Maven Central Opinion
> >
> > I was asked to submit one of my opensource tools at github to maven
> central. This turned out to be a rather complex procedure.
> >
> > Sonatype puts the following requirements on anyone wanting to submit to
> maven central:
> >
> > - You are forced to set a Sonatype pom as parent of your project and
> thus inherit things you have no control over.
> > - You are forced to have a SNAPSHOT version even if you have no use for
> such.
> > - You are forced at submission time to select a new version for your
> software even if you have no idea if it will be a minor, bugfix or new
> functionality at this point in time.
> > - Your public repository (github, etc) which you are forced to point out
> in your pom are no longer yours to decide over. It will be updated during
> the submission process.
> > - After running 3 different mvn commands you also need to login to
> Sonatypes nexus server and "release" the artifacts before the become
> available.
> >
> > The idea of the maven repository that has grown larger than maven itself
> is a completely brilliant idea. It takes open source to a new level where
> anyone can just depend on other open source code and automatically download
> it on build. This is really good for the open source world (well, at least
> the Java/JVM part of it) . The fact that the release process to this
> central repository is far too complex, I see as a really great problem,
> inhibiting the easy sharing of open source work. I have often found open
> source tools and frameworks that are not available in maven central, and
> that is because not everyone is willing to put up with this, which now also
> includes myself. As I see it, either this procedure needs to be changed to
> provide a trivial release of binary artifacts without affecting your poms,
> or there need to be an alternative open repository providing ease of
> release, where it is trivial for anyone to share their binaries for easy
> access by others. I'm wondering if I'm alone in this view or if there are
> others who agree with me ?
> >
> > Tommy Svensson
> >
> >
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