nix problem when attempting to override jetbrains jdk for idea-ultimate

config.nix

{
  allowUnfree = true;
  packageOverrides = pkgs: with pkgs; rec {

    myJetbrainsJdk = pkgs.jetbrains.jdk.overrideAttrs (oldAttrs: rec {
      version = "520.11";
      src = pkgs.fetchurl {
        url = "https://bintray.com/jetbrains/intellij-jdk/download_file?file_path=jbrsdk-11_0_4-osx-x64-b520.11.tar.gz";
        sha256 = "0d1qwbssc8ih62rlfxxxcn8i65cjgycdfy1dc1b902j46dqjkq9z";
      };
    });
    
    myIdeaUltimate = pkgs.jetbrains.idea-ultimate.override {
      jdk = myJetbrainsJdk;
    };

    myProfile = pkgs.writeText "my-profile" ''
      export PATH=$HOME/.nix-profile/bin:/nix/var/nix/profiles/default/bin:/sbin:/bin:/usr/sbin:/usr/bin
      export MANPATH=$HOME/.nix-profile/share/man:/nix/var/nix/profiles/default/share/man:/usr/share/man
    '';
    
    myPackages = with pkgs; buildEnv {
      name = "my-packages";
      paths = [
        (runCommand "profile" {} ''
          mkdir -p $out/etc/profile.d
          cp ${myProfile} $out/etc/profile.d/my-profile.sh
        '')
	aspell
	bc
	coreutils
	direnv
	emacs
	emscripten
	ffmpeg
	gdb
	git
	hello
	jq
	nixops
	nox
	scala
	silver-searcher
	myIdeaUltimate
      ];
      pathsToLink = [ "/share/man" "/share/doc" "/bin" "/etc" "/Applications" ];
      extraOutputsToInstall = [ "man" "doc" ];
    };
  };
}

nix-install-idea-ultimate-2019.2.4-error.bash

nix-env -iA nixpkgs.myIdeaUltimate
installing 'idea-ultimate-2019.2.4'
these derivations will be built:
  /nix/store/ica1m5yq3f3y05xnw7ln1lnfvp0yjvyf-download_file?file_path=jbrsdk-11_0_4-osx-x64-b520.11.tar.gz.drv
  /nix/store/bf2hwhrvfl8g77gdiw053rayh06x0120-jetbrainsjdk-520.11.drv
  /nix/store/fazsa1a4l70s391rjk9yyi2hvrg0zbmp-download_file?file_path=jbrsdk-11_0_2-osx-x64-b485.1.tar.gz.drv
  /nix/store/fwwk976sd278zb68zy9wm5pkxss0rnhg-jetbrainsjdk-485.1.drv
  /nix/store/s3m2bpcyrnx9dcq4drh95882n0mk1d6m-ideaIU-2019.2.4-no-jbr.tar.gz.drv
  /nix/store/9kiajpmmsp3i6ysj4vdqq8dzi84mnr73-idea-ultimate-2019.2.4.drv
building '/nix/store/s3m2bpcyrnx9dcq4drh95882n0mk1d6m-ideaIU-2019.2.4-no-jbr.tar.gz.drv'...

trying https://download.jetbrains.com/idea/ideaIU-2019.2.4-no-jbr.tar.gz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   154  100   154    0     0    117      0  0:00:01  0:00:01 --:--:--   117
100  670M  100  670M    0     0  2555k      0  0:04:28  0:04:28 --:--:-- 2681k
building '/nix/store/fazsa1a4l70s391rjk9yyi2hvrg0zbmp-download_file?file_path=jbrsdk-11_0_2-osx-x64-b485.1.tar.gz.drv'...

trying https://bintray.com/jetbrains/intellij-jdk/download_file?file_path=jbrsdk-11_0_2-osx-x64-b485.1.tar.gz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:--  0:00:01 --:--:--     0
curl: (22) The requested URL returned error: 404 Not Found
error: cannot download download_file?file_path=jbrsdk-11_0_2-osx-x64-b485.1.tar.gz from any mirror
builder for '/nix/store/fazsa1a4l70s391rjk9yyi2hvrg0zbmp-download_file?file_path=jbrsdk-11_0_2-osx-x64-b485.1.tar.gz.drv' failed with exit code 1
building '/nix/store/ica1m5yq3f3y05xnw7ln1lnfvp0yjvyf-download_file?file_path=jbrsdk-11_0_4-osx-x64-b520.11.tar.gz.drv'...
cannot build derivation '/nix/store/fwwk976sd278zb68zy9wm5pkxss0rnhg-jetbrainsjdk-485.1.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/9kiajpmmsp3i6ysj4vdqq8dzi84mnr73-idea-ultimate-2019.2.4.drv': 1 dependencies couldn't be built
error: build of '/nix/store/9kiajpmmsp3i6ysj4vdqq8dzi84mnr73-idea-ultimate-2019.2.4.drv' failed