I run some UI tests on a WPF project (.NET6)

Using Jenkins 2.361.2, slave.jar 

java.lang.Exception
        at hudson.Proc$LocalProc.join(Proc.java:340)
        at hudson.Launcher$RemoteLaunchCallable$1.join(Launcher.java:1404)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:924)
        at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:902)
        at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:853)
        at hudson.remoting.UserRequest.perform(UserRequest.java:211)
        at hudson.remoting.UserRequest.perform(UserRequest.java:54)
        at hudson.remoting.Request$2.run(Request.java:376)
        at hudson.remoting.InterceptingExecutorService.lambda$wrap$0(InterceptingExecutorService.java:78)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at hudson.remoting.Engine$1.lambda$newThread$0(Engine.java:125)
        at java.base/java.lang.Thread.run(Thread.java:834)