`sudo nixos-rebuild switch` error when installing `oraclejdk`

gistfile1.txt

neo@nixos ~> sudo nixos-rebuild switch
[sudo] password for neo: 
building Nix...
building the system configuration...
these derivations will be built:
  /nix/store/psx98p1rrfjhdlqmg0y937xgs08yb26z-jdk-8u241-linux-x64.tar.gz.drv
  /nix/store/lxdaq9q0wbyrxxqqq206h4myvq0l5izw-oraclejdk-8u241.drv
  /nix/store/fqxm0bbidmi132lg8hq5rfw5kcgjrdbl-system-path.drv
  /nix/store/10338qrh7vzl5q94shpmi2lqylfr63a9-unit-systemd-fsck-.service.drv
  /nix/store/19xk2cfg722b8ss0q0476rargypm28fz-unit-polkit.service.drv
  /nix/store/qrzkn37xy3n7fr5gzinpkkdi66kfdczp-dbus-1.drv
  /nix/store/5m4nany72p10afvb59dckz49k1v24qhn-unit-dbus.service.drv
  /nix/store/86lx5qxfyv6hpvah2jx30rncjh0pzq1i-oraclejdk-8u241_fish-completions.drv
  /nix/store/bmxr81azs3v55gprp4iinpa63bk8byfh-unit-dbus.service.drv
  /nix/store/hqf0bcjc6rg5al02104260y1xzlnim83-user-units.drv
  /nix/store/lasyl433wkg392a1i62a6iq79q89p1w9-system_fish-completions.drv
  /nix/store/ppg092fn39kqsx6dqicfjv9djms64w2z-system-units.drv
  /nix/store/z5kqdnv6dgkdkhsm4czhm5cx3vsqimyq-etc.drv
  /nix/store/nx5biiwjn4n3k0cy0b9dns4p3avffh5s-nixos-system-nixos-20.03.1589.9137f05564e.drv
building '/nix/store/psx98p1rrfjhdlqmg0y937xgs08yb26z-jdk-8u241-linux-x64.tar.gz.drv'...

***
Unfortunately, we cannot download file jdk-8u241-linux-x64.tar.gz automatically.
Please go to http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html to download it yourself, and add it to the Nix store
using either
  nix-store --add-fixed sha256 jdk-8u241-linux-x64.tar.gz
or
  nix-prefetch-url --type sha256 file:///path/to/jdk-8u241-linux-x64.tar.gz

***

builder for '/nix/store/psx98p1rrfjhdlqmg0y937xgs08yb26z-jdk-8u241-linux-x64.tar.gz.drv' failed with exit code 1
cannot build derivation '/nix/store/lxdaq9q0wbyrxxqqq206h4myvq0l5izw-oraclejdk-8u241.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/86lx5qxfyv6hpvah2jx30rncjh0pzq1i-oraclejdk-8u241_fish-completions.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/fqxm0bbidmi132lg8hq5rfw5kcgjrdbl-system-path.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/nx5biiwjn4n3k0cy0b9dns4p3avffh5s-nixos-system-nixos-20.03.1589.9137f05564e.drv': 1 dependencies couldn't be built
error: build of '/nix/store/nx5biiwjn4n3k0cy0b9dns4p3avffh5s-nixos-system-nixos-20.03.1589.9137f05564e.drv' failed
neo@nixos ~>