[jira] [Created] (MCHECKSTYLE-363) Upgrading checkstyle at runtime in multi modules configuration

["Luc Maisonobe (JIRA)" <ji...@apache.org>]

Luc Maisonobe created MCHECKSTYLE-363:
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             Summary: Upgrading checkstyle at runtime in multi modules configuration
                 Key: MCHECKSTYLE-363
                 URL: https://issues.apache.org/jira/browse/MCHECKSTYLE-363
             Project: Maven Checkstyle Plugin
          Issue Type: Improvement
    Affects Versions: 3.0.0
            Reporter: Luc Maisonobe


The documentation example "Upgrading Checkstyle at Runtime" shows how to

select another version of the underlying checkstyle tool, but it doesn't work in

multi-modules configuration.

The dependencies seem to not be inherited in multi-modules. With the documentation as

it exists now (for version 3.0.0, as of 2018-11-02), the checkstyle tool used by children modules is the default one (i.e. 6.18 for 3.0.0 or 6.1.1 for 2.17), and as the recent checkstyle tool configurations are incompatible with pre 8.0 (mainly SuppressionCommentFilter which is now a child of TreeWalker), the build fails.

It would be nice to update the example documentation to add something like:

    Note that in multi-modules configuration, putting the above setting in parent pom
   pluginManagement is not sufficient because dependencies are not inherited. The
   <dependency>...</dependency> must be copied in the pom of all modules. Also as
  the <reporting></reporting> section does not allow dependency settings, the
  dependency settings must be set in a <build><plugins><plugin>...</plugin></plugins></build> section in the children pom.



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