virtualbox: unbreak enableWebService

enableWebService depends on wsimport, which is only available in JDK
8. Stick to that version for now and hope that upstream fixes this.

pkgs/applications/virtualization/virtualbox/default.nix

@@ -24,6 +24,9 @@
 # See https://github.com/cyberus-technology/virtualbox-kvm/issues/12
 assert enableKvm -> !enableHardening;
 
+# The web services use Java infrastructure.
+assert enableWebService -> javaBindings;
+
 with lib;
 
 let

pkgs/top-level/all-packages.nix

@@ -35329,7 +35329,9 @@ with pkgs;
   virtualbox = libsForQt5.callPackage ../applications/virtualization/virtualbox {
     stdenv = stdenv_32bit;
     inherit (gnome2) libIDL;
-    jdk = openjdk17;
+
+    # VirtualBox uses wsimport, which was removed after JDK 8.
+    jdk = jdk8;
   };
 
   virtualboxKvm = lowPrio (virtualbox.override {