[jira] (MJAVADOC-171) Modules in multi-module projects are "built" too often

["Herve Boutemy (JIRA)" <ji...@codehaus.org>]

    [ https://jira.codehaus.org/browse/MJAVADOC-171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=346026#comment-346026 ] 

Herve Boutemy commented on MJAVADOC-171:
----------------------------------------

more information on forked lifecycles added in MSHARED-333, to  help diagnose problems

> Modules in multi-module projects are "built" too often
> ------------------------------------------------------
>
>                 Key: MJAVADOC-171
>                 URL: https://jira.codehaus.org/browse/MJAVADOC-171
>             Project: Maven Javadoc Plugin
>          Issue Type: Bug
>    Affects Versions: 2.3
>         Environment: Maven 2.0.8, Linux
>            Reporter: Stefan Seidel
>         Attachments: 2.2.log, 2.3.log, mjavadoc-171-b.zip, mjavadoc171.patch, mjavadoc-171.zip, mvnexec.zip
>
>
> In a multi-module project, all modules are "built" twice for each module. This leads to huge performance problems when many modules are in a project. In the attached sample project, the xmlbeans plugin is executed 27 times for a project with one parent module and two submodules. 18 of these executions can be attributed to the javadoc plugin. With version 2.2, only 3 invocations (once for each project) are caused by the javadoc plugin.



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