public class Test {
    public static void main(String[] args) throws Exception {
        System.out.println(System.getProperties().containsKey("test"));
    }
}

------解决方案--------------------
-xms is the start memory (at the VM start), -xmx is the maximum memory for the VM

Options that begin with -X are non-standard (not guaranteed to be supported on all VM implementations), and are subject to change without notice in subsequent releases of the JDK.



-DSmsCent
这个-D是option吧