Once the server starts (shortly), visit the URL in your browser.
Note: The longer you wait before using the output of that webpage, the more accurate the results will be.
2014-06-09 12:43:12.174:INFO:oejs.Server:main: jetty-9.0.z-SNAPSHOT
2014-06-09 12:43:12.192:INFO:oejsh.ContextHandler:main: Started o.e.j.s.ServletContextHandler@20d9896e{/,null,AVAILABLE}
2014-06-09 12:43:12.202:WARN:oejuc.AbstractLifeCycle:main: FAILED org.eclipse.jetty.server.ServerConnector$ServerConnectorManager@34e0e90: java.lang.NoSuchMethodError: java.util.Objects.requireNonNull(Ljava/lang/Object;)Ljava/lang/Object;
java.lang.NoSuchMethodError: java.util.Objects.requireNonNull(Ljava/lang/Object;)Ljava/lang/Object;
	at org.eclipse.jetty.util.BlockingArrayQueue.offer(BlockingArrayQueue.java:260)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.dispatch(QueuedThreadPool.java:343)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.execute(QueuedThreadPool.java:349)
	at org.eclipse.jetty.io.SelectorManager.execute(SelectorManager.java:121)
	at org.eclipse.jetty.io.SelectorManager.doStart(SelectorManager.java:178)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
	at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:108)
	at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:82)
	at org.eclipse.jetty.server.AbstractConnector.doStart(AbstractConnector.java:259)
	at org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:81)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
	at org.eclipse.jetty.server.Server.doStart(Server.java:303)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
	at com.sk89q.warmroast.WarmRoast.start(WarmRoast.java:197)
	at com.sk89q.warmroast.WarmRoast.main(WarmRoast.java:328)
2014-06-09 12:43:12.204:WARN:oejuc.AbstractLifeCycle:main: FAILED ServerConnector@799e11a1{HTTP/1.1}{0.0.0.0:23000}: java.lang.NoSuchMethodError: java.util.Objects.requireNonNull(Ljava/lang/Object;)Ljava/lang/Object;
java.lang.NoSuchMethodError: java.util.Objects.requireNonNull(Ljava/lang/Object;)Ljava/lang/Object;
	at org.eclipse.jetty.util.BlockingArrayQueue.offer(BlockingArrayQueue.java:260)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.dispatch(QueuedThreadPool.java:343)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.execute(QueuedThreadPool.java:349)
	at org.eclipse.jetty.io.SelectorManager.execute(SelectorManager.java:121)
	at org.eclipse.jetty.io.SelectorManager.doStart(SelectorManager.java:178)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
	at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:108)
	at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:82)
	at org.eclipse.jetty.server.AbstractConnector.doStart(AbstractConnector.java:259)
	at org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:81)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
	at org.eclipse.jetty.server.Server.doStart(Server.java:303)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
	at com.sk89q.warmroast.WarmRoast.start(WarmRoast.java:197)
	at com.sk89q.warmroast.WarmRoast.main(WarmRoast.java:328)
2014-06-09 12:43:12.205:WARN:oejuc.AbstractLifeCycle:main: FAILED org.eclipse.jetty.server.Server@38c52200: java.lang.NoSuchMethodError: java.util.Objects.requireNonNull(Ljava/lang/Object;)Ljava/lang/Object;
java.lang.NoSuchMethodError: java.util.Objects.requireNonNull(Ljava/lang/Object;)Ljava/lang/Object;
	at org.eclipse.jetty.util.BlockingArrayQueue.offer(BlockingArrayQueue.java:260)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.dispatch(QueuedThreadPool.java:343)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.execute(QueuedThreadPool.java:349)
	at org.eclipse.jetty.io.SelectorManager.execute(SelectorManager.java:121)
	at org.eclipse.jetty.io.SelectorManager.doStart(SelectorManager.java:178)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
	at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:108)
	at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:82)
	at org.eclipse.jetty.server.AbstractConnector.doStart(AbstractConnector.java:259)
	at org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:81)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
	at org.eclipse.jetty.server.Server.doStart(Server.java:303)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
	at com.sk89q.warmroast.WarmRoast.start(WarmRoast.java:197)
	at com.sk89q.warmroast.WarmRoast.main(WarmRoast.java:328)
java.lang.NoSuchMethodError: java.util.Objects.requireNonNull(Ljava/lang/Object;)Ljava/lang/Object;
	at org.eclipse.jetty.util.BlockingArrayQueue.offer(BlockingArrayQueue.java:260)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.dispatch(QueuedThreadPool.java:343)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.execute(QueuedThreadPool.java:349)
	at org.eclipse.jetty.io.SelectorManager.execute(SelectorManager.java:121)
	at org.eclipse.jetty.io.SelectorManager.doStart(SelectorManager.java:178)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
	at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:108)
	at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:82)
	at org.eclipse.jetty.server.AbstractConnector.doStart(AbstractConnector.java:259)
	at org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:81)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
	at org.eclipse.jetty.server.Server.doStart(Server.java:303)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
	at com.sk89q.warmroast.WarmRoast.start(WarmRoast.java:197)