spark problems
cat sparkslurm-40703346.out
starting org.apache.spark.deploy.master.Master, logging to /g/emcf/software/render-logs/pointmatch_schorb_20220523-1729/spark-master-40703346/logs/spark-schorb-org.apache.spark.deploy.master.Master-1-smer21-1.out
failed to launch: nice -n 0 /g/emcf/software/spark-3.0.0-bin-hadoop3.2/bin/spark-class org.apache.spark.deploy.master.Master --host smer21-1.cluster.embl.de --port 7077 --webui-port 8080
/g/emcf/software/spark-3.0.0-bin-hadoop3.2/bin/spark-class: line 71: :-/bin/java: No such file or directory
probably something with $JAVA_DIR