itch.io

So I downloaded it on Linux (Ubuntu 18.04) with Oracle Java 10, and used java -jar doodleordieclient.jar and got: Exception in thread "main" java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:564) at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:58) Caused by: java.lang.NoClassDefFoundError: scala/swing/SimpleSwingApplication at java.base/java.lang.ClassLoader.defineClass1(Native Method) at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1009) at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174) at java.base/java.net.URLClassLoader.defineClass(URLClassLoader.java:545) at java.base/java.net.URLClassLoader.access$100(URLClassLoader.java:83) at java.base/java.net.URLClassLoader$1.run(URLClassLoader.java:453) at java.base/java.net.URLClassLoader$1.run(URLClassLoader.java:447) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:446) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:566) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499) at view.DoodleWindow.main(DoodleWindow.scala) at view.Launch.main(Launch.java:6) ... 5 more Caused by: java.lang.ClassNotFoundException: scala.swing.SimpleSwingApplication at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:466) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:566) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499) ... 18 more