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    Take a look at this blog post on how to set up Grid2 https://goo.gl/rxzbE6. A user related (in the email group on the source) that using older selenium libs solves this exception.

java.lang.NullPointerException: null	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:210)	at org.everrest.core.impl.RequestDispatcher.(RequestDispatcher.java:84)	at org.eclipse.che.everrest.ServerContainerInitializeListener.getEverrestProcessor(ServerContainerInitializeListener.java:165)	at org.eclipse.che.everrest.ServerContainerInitializeListener.createWsServerEndpointConfig(ServerContainerInitializeListener.java:123)	at org.eclipse.che.everrest.ServerContainerInitializeListener.contextInitialized(ServerContainerInitializeListener.java:91)	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4812)	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5255)	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:939)	at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1812)	at java.util.concurrent.Executors$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)