[jira] Updated: (MDEP-149) Field accesses and method invocations cause bogus dependencies

["Benjamin Bentmann (JIRA)" <ji...@codehaus.org>]

     [ http://jira.codehaus.org/browse/MDEP-149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Bentmann updated MDEP-149:
-----------------------------------

    Attachment: MDEP-149.zip

Here are some (pathological) demo projects if you want to try this out. Run "mvn install" on api and impl, then "mvn dependency:analyze" on impl-client. Without the patch, the plugin warns that impl-client uses api although there is not a single souce code line directly referencing any type from api.

> Field accesses and method invocations cause bogus dependencies
> --------------------------------------------------------------
>
>                 Key: MDEP-149
>                 URL: http://jira.codehaus.org/browse/MDEP-149
>             Project: Maven 2.x Dependency Plugin
>          Issue Type: Bug
>          Components: analyze
>    Affects Versions: 2.0
>            Reporter: Benjamin Bentmann
>            Assignee: Brian Fox
>            Priority: Trivial
>         Attachments: bogus-dependencies.patch, MDEP-149.zip
>
>
> When hunting down some "Used undeclared dependencies" warnings, I found the plugin lying. For example, the line
> {code:java}
> java.lang.Object var = bean.field;
> {code}
> does not impose a direct dependency on the field's type, whatever it may be. Likewise, the line
> {code:java}
> bean.method(null);
> {code}
> does not directly depend on the method's return type nor parameter types. Unless I explicitly code a reference to a type by means of variable declarations, type checks/casts etc., there is no need to declare dependencies that are already brought in via transitivity, that's what Maven was invented for, isn't is ;-)

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