I tried running Hudson v.156 as a Windows service, and got the following error
which I havent seen before:

java.lang.UnsupportedOperationException
at
hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:60)
at hudson.plugins.nunit.NUnitPublisher.archive(NUnitPublisher.java:84)
at hudson.plugins.nunit.NUnitArchiver.performJUnitArchiver(NUnitArchiver.java:137)
at hudson.plugins.nunit.NUnitArchiver.invoke(NUnitArchiver.java:90)
at hudson.plugins.nunit.NUnitArchiver.invoke(NUnitArchiver.java:29)
at hudson.FilePath.act(FilePath.java:291)
at hudson.plugins.nunit.NUnitPublisher.perform(NUnitPublisher.java:72)
at
hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:33)
at hudson.model.Build$RunnerImpl.performAllBuildStep(Build.java:150)
at hudson.model.Build$RunnerImpl.post2(Build.java:137)
at hudson.model.AbstractBuild$AbstractRunner.post(AbstractBuild.java:254)
at hudson.model.Run.run(Run.java:667)
at hudson.model.Build.run(Build.java:102)
at hudson.model.ResourceController.execute(ResourceController.java:70)
at hudson.model.Executor.run(Executor.java:62)