Description
The current Checkstyle configuration in the Maven Parent uses:
<sourceDirectory>src/main/java</sourceDirectory> <testSourceDirectory>src/test/java</testSourceDirectory>
Those two parameters are deprecated, and need to be replaced with
<sourceDirectories> <sourceDirectory>src/main/java</sourceDirectory> </sourceDirectories> <testSourceDirectories> <testSourceDirectory>src/test/java</testSourceDirectory> </testSourceDirectories>