it.polito.appeal.traci.TraCIException$UnexpectedData: Unexpected command/status ID: expected 164, got 2
at it.polito.appeal.traci.Utils.checkStatusResponse(Utils.java:57)
at it.polito.appeal.traci.ChangeStateQuery.pickResponses(ChangeStateQuery.java:83)
at it.polito.appeal.traci.MultiQuery.run(MultiQuery.java:108)
at it.polito.appeal.traci.SumoTraciConnection.nextSimStep(SumoTraciConnection.java:622)
at it.polito.appeal.traci.test.TraCITest.testRefreshedValues(TraCITest.java:200)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)

in particular, it seems that the nextSimulationStep() method fails on this.