wcarmon opened a new pull request #11: Fixed NullPointerException URL: https://github.com/apache/maven-pmd-plugin/pull/11 this line throws NullPointerException when `File.list()` returns `null` [See javadoc](https://docs.oracle.com/javase/8/docs/api/java/io/File.html#list--) For me this occurs on jar files like `~/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.1/log4j-api-2.11.1.jar`
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