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Posted to dev@maven.apache.org by "Brett Porter (JIRA)" <ji...@codehaus.org> on 2005/10/08 15:06:11 UTC
[jira] Created: (MNG-1139) document classloader separation
document classloader separation
-------------------------------
Key: MNG-1139
URL: http://jira.codehaus.org/browse/MNG-1139
Project: Maven 2
Type: Task
Components: documentation
Reporter: Brett Porter
as part of the plugin dev guide.
"To add a bit of detail for a volunteer to submit as documentation... :)
m2/core/boot is what is in the java classpath (ie, just classworlds,
which constructs classloaders for the rest of the system)
the top level classloader contains plexus container and plexus utils
(see m2/core), and also has access to classworlds
the next classloader has the libraries in m2/lib (a bug in beta 1
incorporated commons-logging and -lang, sorry about that!) In general
these are just maven libraries. We hope to further separate these in
future to just be maven apis.
after that, each plugin has its own classloader, including its
dependencies, itself, and the libraries above. It *does not* contain
the project dependencies like in m1, but instead has access to a list
of JAR files in case they are needed.
In addition, a project can list "extensions". These are loaded into
the same place as m2/lib and so available to the maven core and all
plugins for the currnet project and subsequent projects (in future, we
plan to remove it from subsequent projects).
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[jira] Closed: (MNG-1139) document classloader separation
Posted by "Jason van Zyl (JIRA)" <ji...@codehaus.org>.
[ http://jira.codehaus.org/browse/MNG-1139?page=all ]
Jason van Zyl closed MNG-1139:
------------------------------
Resolution: Fixed
Integrated into the classloader guide
> document classloader separation
> -------------------------------
>
> Key: MNG-1139
> URL: http://jira.codehaus.org/browse/MNG-1139
> Project: Maven 2
> Type: Task
> Components: documentation
> Reporter: Brett Porter
>
>
> as part of the plugin dev guide.
> "To add a bit of detail for a volunteer to submit as documentation... :)
> m2/core/boot is what is in the java classpath (ie, just classworlds,
> which constructs classloaders for the rest of the system)
> the top level classloader contains plexus container and plexus utils
> (see m2/core), and also has access to classworlds
> the next classloader has the libraries in m2/lib (a bug in beta 1
> incorporated commons-logging and -lang, sorry about that!) In general
> these are just maven libraries. We hope to further separate these in
> future to just be maven apis.
> after that, each plugin has its own classloader, including its
> dependencies, itself, and the libraries above. It *does not* contain
> the project dependencies like in m1, but instead has access to a list
> of JAR files in case they are needed.
> In addition, a project can list "extensions". These are loaded into
> the same place as m2/lib and so available to the maven core and all
> plugins for the currnet project and subsequent projects (in future, we
> plan to remove it from subsequent projects).
--
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