[jira] [Comment Edited] (MNG-5987) Document the algorithm calculating the order of plugin executions.

["Hervé Boutemy (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MNG-5987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15360031#comment-15360031 ] 

Hervé Boutemy edited comment on MNG-5987 at 7/2/16 6:45 AM:
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bq. Order of declaration is really unreliable and complicated to understand when it comes to profiles and parents, and I'm not sure was ever really well-defined (or at least well-documented)
it was documented and chosen that order of execution is not something you cannot count on: phases are ordered, mojos in a phase simply are not
and we never pushed this to making it random, whouch would have been one way to make people understand that order of execution in a phase is not expected to be controlled: that is the design (that so much people don't want to understand when we explain them again and again)
documenting the current algorithm is lost time since it is not expected to be reliable over time: it's "FYI", "currently", "may change over versions"


was (Author: hboutemy):
bq. Order of declaration is really unreliable and complicated to understand when it comes to profiles and parents, and I'm not sure was ever really well-defined (or at least well-documented)
it was documented and chosen that order of execution is not something you can count on: phases are ordered, mojos in a phase simply are not
and we never pushed this to making it random, whouch would have been one way to make people understand that order of executionin a phase is not expected to be controlled: that is the design (that so much people don't want to understand when we explain them again and again)

> Document the algorithm calculating the order of plugin executions.
> ------------------------------------------------------------------
>
>                 Key: MNG-5987
>                 URL: https://issues.apache.org/jira/browse/MNG-5987
>             Project: Maven
>          Issue Type: Improvement
>            Reporter: Christian Schulte
>            Priority: Critical
>
> Users continuously report issues regarding the order of plugin executions: repeating that this order is not expected to be guaranteed inside a phase is not convincing for them.
> The algorithm used to calculate the order of executions performed by Maven needs to be documented:
> - declaration order in the POM
> - inheritance merging from parent POM,
> - merging of profiles and other plugin containers,
> - the order of executions of multiple executions in the same lifecycle phase,
>  etc.



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