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java.lang.NullPointerException: null	at org.openqa.grid.web.servlet.beta.ConsoleServlet.getVersion(ConsoleServlet.java:264)	at org.openqa.grid.web.servlet.beta.ConsoleServlet.(ConsoleServlet.java:57)	at org.openqa.grid.web.servlet.beta.ConsoleServlet.(ConsoleServlet.java:52)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)	at java.lang.Class.newInstance(Class.java:442)	at org.seleniumhq.jetty9.server.handler.ContextHandler$Context.createInstance(ContextHandler.java:2372)	at org.seleniumhq.jetty9.servlet.ServletContextHandler$Context.createServlet(ServletContextHandler.java:1166)	at org.seleniumhq.jetty9.servlet.ServletHolder.newInstance(ServletHolder.java:1203)	at org.seleniumhq.jetty9.servlet.ServletHolder.initServlet(ServletHolder.java:584)	at org.seleniumhq.jetty9.servlet.ServletHolder.getServlet(ServletHolder.java:468)	at org.seleniumhq.jetty9.servlet.ServletHolder.ensureInstance(ServletHolder.java:763)	at org.seleniumhq.jetty9.servlet.ServletHolder.prepare(ServletHolder.java:748)	at org.seleniumhq.jetty9.servlet.ServletHandler.doHandle(ServletHandler.java:582)	at org.seleniumhq.jetty9.server.session.SessionHandler.doHandle(SessionHandler.java:221)	at org.seleniumhq.jetty9.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)	at org.seleniumhq.jetty9.servlet.ServletHandler.doScope(ServletHandler.java:515)	at org.seleniumhq.jetty9.server.session.SessionHandler.doScope(SessionHandler.java:185)	at org.seleniumhq.jetty9.server.handler.ContextHandler.doScope(ContextHandler.java:1061)	at org.seleniumhq.jetty9.server.handler.ScopedHandler.handle(ScopedHandler.java:141)	at org.seleniumhq.jetty9.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)	at org.seleniumhq.jetty9.server.Server.handle(Server.java:499)	at org.seleniumhq.jetty9.server.HttpChannel.handle(HttpChannel.java:310)	at org.seleniumhq.jetty9.server.HttpConnection.onFillable(HttpConnection.java:257)	at org.seleniumhq.jetty9.io.AbstractConnection$2.run(AbstractConnection.java:540)	at org.seleniumhq.jetty9.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)	at org.seleniumhq.jetty9.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)	at java.lang.Thread.run(Thread.java:745)