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https://issues.apache.org/jira/browse/MDEP-471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15985705#comment-15985705
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Steven Schlansker commented on MDEP-471:
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Any movement here? We're still impacted by this issue, a year later...
> 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
>
> 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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