java.io.IOException: Thread signal failed
	at sun.nio.ch.NativeThread.signal(Native Method)
	at sun.nio.ch.ServerSocketChannelImpl.implCloseSelectableChannel(ServerSocketChannelImpl.java:292)
	at java.nio.channels.spi.AbstractSelectableChannel.implCloseChannel(AbstractSelectableChannel.java:234)
	at java.nio.channels.spi.AbstractInterruptibleChannel.close(AbstractInterruptibleChannel.java:115)
	at org.eclipse.jetty.server.ServerConnector.close(ServerConnector.java:359)
	at org.eclipse.jetty.server.AbstractNetworkConnector.shutdown(AbstractNetworkConnector.java:107)
	at org.eclipse.jetty.server.ServerConnector.shutdown(ServerConnector.java:341)
	at org.eclipse.jetty.server.Server.doStop(Server.java:404)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:89)
	at org.ops4j.pax.web.service.jetty.internal.JettyServerImpl.stop(JettyServerImpl.java:209)
	at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl$Started.stop(ServerControllerImpl.java:277)
	at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl.stop(ServerControllerImpl.java:77)
	at org.ops4j.pax.web.service.internal.Activator.updateController(Activator.java:339)
	at org.ops4j.pax.web.service.internal.Activator$3.run(Activator.java:294)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)