i'm trying to run old software (2015ish) that is made using spark.
Exception in thread "main" java.lang.NoClassDefFoundError: spark/Route
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Class.java:488)
at java.base/java.lang.Class.forName(Class.java:467)
at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:56)
Caused by: java.lang.ClassNotFoundException: spark.Route
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:445)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:588)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 4 more
My guess is that your class path or the way you are compiling your project is mistaken. The class spark.Route should exists (just check in your dependencies or external libraries).
i'm trying to run old software (2015ish) that is made using spark.