Thank you, this worked. I also made a shell script that also seemed to do the trick, it was simply:
#!/bin/bash
java -jar /media/dcpattie/backup/Week08/gatk/gatk-4.0.2.1/gatk-package-4.0.2.1-local.jar $*
java -jar /media/dcpattie/backup/Week08/gatk/gatk-4.0.2.1/gatk-package-4.0.2.1-spark.jar $*