title: Duplicate files copied in APK log4j2.xml can't figure out what to exclude
body: <p>When I try to run my app I keep getting this error:</p>
  
  <blockquote>
    <p>com.android.build.api.transform.TransformException:
    com.android.builder.packaging.DuplicateFileException: Duplicate files
    copied in APK log4j2.xml</p>
    
    <p>File1:
    /Users/matti/.gradle/caches/modules-2/files-2.1/org.biojava/biojava-core/4.2.0/a0713c21c575f39adc88985acc9cf37715324dab/biojava-core-4.2.0.jar</p>
    
    <p>File2:
    /Users/matti/.gradle/caches/modules-2/files-2.1/org.biojava/biojava-phylo/4.2.0/a97ccd582c87683d0e91e9fefb176ae129a10318/biojava-phylo-4.2.0.jar</p>
    
    <p>File3:
    /Users/matti/.gradle/caches/modules-2/files-2.1/org.biojava/biojava-structure/4.2.0/2da167b09a829735f38379c3ad3c922c09a0a312/biojava-structure-4.2.0.jar</p>
    
    <p>File4:
    /Users/matti/.gradle/caches/modules-2/files-2.1/org.biojava/biojava-alignment/4.2.0/6395347f4c119d6a41b850dbb84ba85919976d37/biojava-alignment-4.2.0.jar</p>
  </blockquote>
  
  <p>How do I exclude these files?</p>