Re: [jakartaee-spec-project-leads] How to recognize the latest version o

[Lukas Jungmann <lukas.jungmann@xxxxxxxxxx>]

On 5/26/20 11:10 PM, arjan tijms wrote:
> Hi,
>
> Should be date.
>
> Both qualifiers are Maven recognised though, see 
> https://octopus.com/blog/maven-versioning-explained

I'm not talking about version number recognition, I'm talking about 
proper version ordering, so one can rely on available tooling to save 
some time and use automation to take care of updating dependencies.

> Normally rc should come after m, and the separator is optional. Do note 
> that they differ here: the "-" in RC vs the "." in the M1. I'm not 
> entirely sure why Maven displays them out of order though, but my guess 
> is the different separators confuse it.

http://maven.apache.org/pom.html#Version_Order_Specification explains it 
- '.' is a version number separator, while '-' is not, so:

4.0.0-RC1 has 3 parts - 4, 0, 0-RC1
4.0.0.M1 has 4 parts - 4, 0, 0, M1

and maven compares 3rd part - '.0-RC1' with '.0' and if I got it right, 
".qualifier" < ".number" applies => '.0-RC1' < '.0', so in the end 
'4.0.0-RC1' < '4.0.0.M1'

thanks,
--lukas


> Kind regards,
> Arjan
>
>
>
>
>
> On Tue, May 26, 2020 at 10:54 PM Lukas Jungmann 
> <lukas.jungmann@xxxxxxxxxx <mailto:lukas.jungmann@xxxxxxxxxx>> wrote:
>
>     Hi,
>
>          I'm trying to update dependencies in some implementation projects
>     and came through this:
>
>     when I visit ie
>     https://search.maven.org/artifact/jakarta.el/jakarta.el-api I can see
>     that the latest version "by date" is 4.0.0-RC1
>
>     when I run `mvn -U -C versions:display-property-updates` I see:
>     [INFO] The following dependencies in Dependency Management have newer
>     versions:
>     [INFO]   jakarta.el:jakarta.el-api ...................... 4.0.0-RC1 ->
>     4.0.0.M1
>
>     which basically says that 4.0.0-RC1 has been updated by 4.0.0.M1.
>
>     Who should I trust? Maven? Date?
>
>     thanks,
>     --lukas
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