Recently I installed TAC v8 and when I move my jobs from v7 to v8 I received this error:
tLibraryLoad_1 class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap')
java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap').
Here is a similar topic I answered before. I remember it was a bug on v7.2.1, if you have upgraded your project to version 8, I would suggest you to run the job again in studio 8 and re-deploy the job to Jobserver.