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http://jira.codehaus.org/browse/SUREFIRE-562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=185290#action_185290
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Jörg Hohwiller commented on SUREFIRE-562:
-----------------------------------------
Tests made on opensource-project in case you want to reproduce:
https://m-m-m.svn.sourceforge.net/svnroot/m-m-m/trunk/
All you need to do is change the surefire version in <pluginManagement> of
pom.xml in trunk.
> Exorbitant long site-build since surefire 2.4
> ---------------------------------------------
>
> Key: SUREFIRE-562
> URL: http://jira.codehaus.org/browse/SUREFIRE-562
> Project: Maven Surefire
> Issue Type: Bug
> Components: report plugin
> Affects Versions: 2.4, 2.4.1, 2.4.2, 2.4.3
> Reporter: Jörg Hohwiller
>
> When I have maven-surefire-report-plugin and maven-surefire-plugin in version
> 2.3,
> my site-generation works quite okay.
> However when I update to 2.4, 2.4.1, 2.4.2 or 2.4.3 the site-build takes an
> exorbitant long time.
> When you watch the log, you get the impression that there is an infinity-loop
> because it
> builds the same modules again and again. However it is not an infinity loop
> but I think that for every
> module also all dependent modules are build (and therefore tested)
> recursively even if they had
> already been build before.
> This way 2.4 scales from O(n) to O(n^2) where n is the number of modules when
> you have
> common inter-project dependencies.
> Maybe some feature in 2.4 like improve coverage measure with cobertura or
> whatever
> introduced this bug.
> Infos about mvn site:stage with surefire 2.3:
> Total time: 18 minutes 19 seconds
> Size of logfile (mvn output): 3.567.441 bytes
> grep "Building util-core" site.log | wc -l: 44
> Infos about mvn site:stage with surefire 2.4.3:
> Total time: 70 minutes 29 seconds
> Size of logfile (mvn output): 58.442.755 bytes
> grep "Building util-core" site.log | wc -l: 130
> FYI: util-core is the name of a module that all other modules depend on
> directly or transitive.
> Besides in the 2.3 build only 1 of the 44 lines with "[INFO] Building
> util-core" is followed with
> [INFO] task-segment: [site:stage]
> All other 43 are followed by some --- and then
> [INFO] No goals needed for project - skipping
> The extra lines in the 2.4 build are followed with some ---- and then
> [INFO] [resources:resources]
> ...
> Please also note that the maven logfile is totaly unreadable since you have
> no clue where a recursive invocation starts and ends. This is more an MNG
> issue, however...
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