UDDI related NPE when running loan_approval example with ESB 4.8

The loan_approval example throws the following exception. This did not occur when ESB 4.7 was installed, so looks to be something related to ESB 4.8, even though the ESB is not directly involved in this example.

13:36:42,086 ERROR [UDDIRegistrationImpl]
java.lang.NullPointerException
at org.jboss.soa.bpel.uddi.UDDIRegistrationImpl.getAuthToken(UDDIRegistrationImpl.java:438)
at org.jboss.soa.bpel.uddi.UDDIRegistrationImpl.lookupWSDL(UDDIRegistrationImpl.java:356)
at org.jboss.soa.bpel.runtime.ws.WebServiceClient.initialize(WebServiceClient.java:129)
at org.jboss.soa.bpel.runtime.ws.WebServiceClient.invoke(WebServiceClient.java:156)
at org.jboss.soa.bpel.runtime.engine.ode.MessageExchangeContextImpl.invokePartnerUnreliable(MessageExchangeContextImpl.java:62)
at org.jboss.soa.bpel.runtime.engine.ode.MessageExchangeContextImpl.invokePartner(MessageExchangeContextImpl.java:111)
at org.apache.ode.bpel.engine.BpelRuntimeContextImpl.invoke(BpelRuntimeContextImpl.java:864)
at org.apache.ode.bpel.runtime.INVOKE.run(INVOKE.java:100)
at sun.reflect.GeneratedMethodAccessor409.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.ode.jacob.vpu.JacobVPU$JacobThreadImpl.run(JacobVPU.java:451)
at org.apache.ode.jacob.vpu.JacobVPU.execute(JacobVPU.java:139)
at org.apache.ode.bpel.engine.BpelRuntimeContextImpl.execute(BpelRuntimeContextImpl.java:959)
at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeNewInstance(PartnerLinkMyRoleImpl.java:208)
at org.apache.ode.bpel.engine.BpelProcess$1.invoke(BpelProcess.java:287)
at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:242)
at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:283)
at org.apache.ode.bpel.engine.BpelProcess.handleJobDetails(BpelProcess.java:430)
at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:468)
at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:450)
at org.apache.ode.scheduler.simple.SimpleScheduler$RunJob$1.call(SimpleScheduler.java:526)
at org.apache.ode.scheduler.simple.SimpleScheduler$RunJob$1.call(SimpleScheduler.java:521)
at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:284)
at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:239)
at org.apache.ode.scheduler.simple.SimpleScheduler$RunJob.call(SimpleScheduler.java:520)
at org.apache.ode.scheduler.simple.SimpleScheduler$RunJob.call(SimpleScheduler.java:504)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
13:36:42,087 INFO [UDDIRegistrationImpl] No WSDL could be obtained using the UDDI Registry Lookup.