After upgrading my eclipse RTC client to from 4.0.5 to 5.0.2 using p2 repository I get the following error on login:

!ENTRY org.eclipse.core.jobs 4 2 2015-10-26 11:19:24.288
!MESSAGE An internal error occurred during: "Logging into swgjazz.ibm.com".
!STACK 0
java.lang.NoSuchMethodError: com.ibm.team.repository.transport.auth.Tracer.trace(Ljava/lang/String;[Ljava/lang/Object;)V
    at com.ibm.team.repository.transport.client.ClientHttpUtil.setAcceptLanguageHeader(ClientHttpUtil.java:1415)
    at com.ibm.team.repository.transport.client.RestClientConnectionBase.prepareMethod(RestClientConnectionBase.java:286)
    at com.ibm.team.repository.transport.client.RestClientConnectionBase.doMethod(RestClientConnectionBase.java:181)
    at com.ibm.team.repository.transport.client.RestClientConnectionBase.doGet(RestClientConnectionBase.java:122)
    at com.ibm.team.repository.transport.client.TeamRawRestServiceClient$RawRestClientConnection.doGet(TeamRawRestServiceClient.java:96)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at com.ibm.team.repository.client.internal.ServiceInterfaceProxy.invokeServiceCall(ServiceInterfaceProxy.java:254)
    at com.ibm.team.repository.client.internal.ServiceInterfaceProxy.invoke(ServiceInterfaceProxy.java:110)
    at com.ibm.team.repository.client.internal.RawRestServiceClientProxy$RestClientConnectionProxy.invoke(RawRestServiceClientProxy.java:121)
    at com.sun.proxy.$Proxy31.doGet(Unknown Source)
    at com.ibm.team.repository.client.internal.TeamRepository.fetchClientVersionJSONObject(TeamRepository.java:1679)
    at com.ibm.team.repository.client.internal.TeamRepository.access$0(TeamRepository.java:1676)
    at com.ibm.team.repository.client.internal.TeamRepository$5.run(TeamRepository.java:1747)
    at com.ibm.team.repository.client.internal.TeamRepository$5.run(TeamRepository.java:1)
    at com.ibm.team.repository.client.internal.TeamRepository$3.run(TeamRepository.java:1324)
    at com.ibm.team.repository.common.transport.CancelableCaller.call(CancelableCaller.java:79)
    at com.ibm.team.repository.client.internal.TeamRepository.callCancelableService(TeamRepository.java:1319)
    at com.ibm.team.repository.client.internal.TeamRepository.checkServerVersionMatches(TeamRepository.java:1750)
    at com.ibm.team.repository.client.internal.TeamRepository.internalLogin(TeamRepository.java:1512)
    at com.ibm.team.repository.client.internal.TeamRepository.login(TeamRepository.java:653)
    at com.ibm.team.repository.client.internal.TeamRepository.login(TeamRepository.java:627)
    at com.ibm.team.process.internal.rcp.ui.LoginAction$1.run(LoginAction.java:88)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)