[jira] [Updated] (MDEP-471) Java 8 Method references are not detected

["Karl Heinz Marbaise (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MDEP-471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karl Heinz Marbaise updated MDEP-471:
-------------------------------------
    Fix Version/s: 3.0.1

> Java 8 Method references are not detected
> -----------------------------------------
>
>                 Key: MDEP-471
>                 URL: https://issues.apache.org/jira/browse/MDEP-471
>             Project: Maven Dependency Plugin
>          Issue Type: Bug
>          Components: analyze
>    Affects Versions: 2.9
>         Environment: Mac OSX 
> 13.3.0 Darwin Kernel Version 13.3.0: Tue Jun  3 21:27:35 PDT 2014; root:xnu-2422.110.17~1/RELEASE_X86_64 x86_64
>            Reporter: Ben Hardy
>            Assignee: Karl Heinz Marbaise
>             Fix For: 3.0.1
>
>
> It is possible to get the depedency plugin to fail to recognize methods references.
> For example, the following function declaration is the only place in its class where the Guava "Lists" class is referenced (apart from imports):
>     public static <V> SequenceMap<String, Character, V> forStringKeys() {
>         return new SequenceMap<>(Lists::charactersOf);
>     }
> We choose to fail when declared dependencies are thought to be unused, and this usage is simply not detected, resulting in the following output and exception:
> [WARNING] Unused declared dependencies found:
> [WARNING]    com.google.guava:guava:jar:18.0:compile
> [INFO] ------------------------------------------------------------------------
> Caused by: org.apache.maven.plugin.MojoExecutionException: Dependency problems found
> 	at org.apache.maven.plugin.dependency.analyze.AbstractAnalyzeMojo.execute(AbstractAnalyzeMojo.java:187)
> 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:133)
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
> Will try to get a test and patch attached to this once I figure out where your test case class file resources are coming from.



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