JNR-FFI를 사용하여 문자표를 CMD 화면 버퍼로 출력할 때 충돌이 발생합니다.

import jnr.ffi.libraryloader;
import jnr.ffi.pointer;

public class main {

    public interface kernel32 {
        kernel32 instance = libraryloader.create(kernel32.class).load("kernel32");

        int generic_read = 0x80000000;
        int generic_write = 0x40000000;
        int file_share_read = 0x00000001;
        int file_share_write = 0x00000002;
        int console_textmode_buffer = 1;

        pointer createconsolescreenbuffer(int dwdesiredaccess, int dwsharemode, pointer lpsecurityattributes, int dwflags, pointer lpscreenbufferdata);
        void setconsoleactivescreenbuffer(pointer hconsoleoutput);
        int writeconsoleoutputcharacterw(pointer hconsoleoutput, char[] lpcharacter, int nlength, int dwwritecoord, int lpnumberofcharswritten);
    }

    private static final int nscreenwidth = 240;
    private static final int nscreenheight = 135;

    static kernel32 kernel32 = kernel32.instance;

    private static pointer hconsole = kernel32.createconsolescreenbuffer(
            kernel32.generic_write | kernel32.generic_read,
            kernel32.file_share_read | kernel32.file_share_write,
            null,
            kernel32.console_textmode_buffer,
            null
    );

    public static void writecmd(char[] screen){
        try {
            if (screen.length == (nscreenwidth * nscreenheight) + 1) {
                int lpnumberofcharswritten = 0;
                system.out.println(kernel32.writeconsoleoutputcharacterw(hconsole, screen, (nscreenwidth * nscreenheight) + 1, 0, lpnumberofcharswritten));
            }
        } catch (exception t) {
            t.printstacktrace();
        }
    }

    public static void main(string[] args) {
        kernel32.setconsoleactivescreenbuffer(hconsole);

        char[] screen = new char[(nscreenwidth * nscreenheight) + 1];
        for (int i = 0; i < screen.length - 1; i++) {
            screen[i] = '-';
        }
        screen[screen.length - 1] = '\0';

        int position = 0;
        while(true){
            screen[position] = '#';
            writecmd(screen);
            screen[position] = '-';
            position++;
        }
    }
}

Faulting application name: java.exe, version: 20.0.2.0, time stamp: 0x75f7bb13
Faulting module name: KERNELBASE.dll, version: 10.0.22621.2715, time stamp: 0x10f6a783
Exception code: 0xc0000005
Fault offset: 0x00000000000b5bdc
Faulting process id: 0x0x5B98
Faulting application start time: 0x0x1DA1CB1377C8871
Faulting application path: C:\Program Files\Java\jdk-20\bin\java.exe
Faulting module path: C:\Windows\System32\KERNELBASE.dll
Report Id: 97a532d2-82fd-4b33-a399-ee74ea9e606d
Faulting package full name: 
Faulting package-relative application ID: