我一直在寻找一种工具，该工具能够向您显示未使用的依赖项。我很快偶然发现了maven命令mvn dependency:analyze。这样做的问题是，它经常检测到“未使用”的依赖项，如果缺少依赖项，将导致构建失败。
这是来自优化项目的示例：
$ mvn dependency:analyze
[INFO] Building LogfileTool 0.1
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> maven-dependency-plugin:2.8:analyze (default-cli) > test-compile @ LogfileTool >>>
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ LogfileTool ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ LogfileTool ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 7 source files to C:\Projects\LogfileToolMa\LogfileTool\target\classes
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ LogfileTool ---
[INFO] Using 'UTF-8' encoding to copy …