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From "Xavier Roussel (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARIES-1792) blueprint-maven-plugin slows down compilation
Date Mon, 16 Apr 2018 09:51:00 GMT

    [ https://issues.apache.org/jira/browse/ARIES-1792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16439197#comment-16439197
] 

Xavier Roussel commented on ARIES-1792:
---------------------------------------

I also tried the optimization and the problem is still here, the plugin still needs more than
10 sec ( same as before ) for one module. Here are the logs for one module, it's the same
most of the others:

[DEBUG] Creating package scope class finder: 12286ms
[DEBUG] Finding bean classes: 30ms
[DEBUG] Creating blueprint model: 68ms
[DEBUG] Writing blueprint: 52ms

I added a few more debug and It seems that all the time is consumed by the fonction which
scan the classes when the classloader is created ( readClassDef in org.apache.xbean.finder.AbstractFinder
). Which is normal I think because it reference all the project dependency, even camel,osgi,jetty,spring
etc ...

[DEBUG] Adding urls ( ClassFinder constructor ) : 2304ms
[DEBUG] ReadClassDef ( ClassFinder constructor ) : 10131ms
[DEBUG] Creating PackageScopeClassFinder: 12438ms
[DEBUG] Finding bean classes: 37ms
[DEBUG] Creating blueprint model: 72ms
[DEBUG] Writing blueprint: 85ms

> blueprint-maven-plugin slows down compilation
> ---------------------------------------------
>
>                 Key: ARIES-1792
>                 URL: https://issues.apache.org/jira/browse/ARIES-1792
>             Project: Aries
>          Issue Type: Improvement
>    Affects Versions: blueprint-maven-plugin-1.9.0
>            Reporter: Xavier Roussel
>            Priority: Major
>
> We have a maven project with 20+ modules all using BMP to generate blueprint file.
> During compilation, BMP is executed on each module and represents more than 70% of the
project's compilation time.
> We specify a scanPath for each module as a parameter to BMP but it seems that it scan
the module and also all the dependencies so because the modules are linked together, the whole
project is scanned again and again for each module.
> It could be useful to add an option to exclude dependencies so that BMP only scan the
current module.



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