dropwizard/metrics — pull request #537 by slovdahl (2014-03-11 08:30:18+00:00)
Title: metrics-jetty8: Avoid NPE if InstrumentedQueuedThreadPool gauges are read too early

It's possible to create a QueuedThreadPool instance with the _jobs variable being null. This fix avoids the NPE if the guage is read before _jobs has been assigned.