add support of JAVA_HOME environment fix find in root directory(/) when use in systemd
add support of JAVA_HOME environment
fix find in root directory(/) when use in systemd

thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper