Stack trace has certain elements replaced with <generic terms>

ERROR: Failed to archive test reports
java.io.IOException: remote file operation failed: c:\jenkins_slave\workspace\<Job Name> at hudson.remoting.Channel@3c0156a0:<Machine Name>
at hudson.FilePath.act(FilePath.java:914)
at hudson.FilePath.act(FilePath.java:896)
at hudson.tasks.junit.JUnitParser.parse(JUnitParser.java:87)
at hudson.tasks.junit.JUnitResultArchiver.parse(JUnitResultArchiver.java:129)
at hudson.tasks.junit.JUnitResultArchiver.perform(JUnitResultArchiver.java:141)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:770)
at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:734)
at hudson.model.Build$BuildExecution.post2(Build.java:183)
at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:683)
at hudson.model.Run.execute(Run.java:1770)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:89)
at hudson.model.Executor.run(Executor.java:240)

Reverting to pre 1.577 version (ie before JUnit was split out to a plugin) fault does not occur