Here is the output from the selenium server:
09:48:25.696 INFO - Java: Sun Microsystems Inc. 1.6.0_02-b05
09:48:25.697 INFO - OS: Linux 2.6.9-42.ELsmp i386
09:48:25.699 INFO - v0.9.2 [2006], with Core v0.8.3 [1879]
09:48:25.758 INFO - Version Jetty/5.1.x
09:48:25.759 INFO - Started HttpContext[/selenium-server/driver,/selenium-server/driver]
09:48:25.760 INFO - Started HttpContext[/selenium-server,/selenium-server]
09:48:25.760 INFO - Started HttpContext[/,/]
09:48:25.765 INFO - Started SocketListener on
0.0.0.0:4444
09:48:25.765 INFO - Started org.mortbay.jetty.Server@15a8767
09:48:30.613 INFO - Checking Resource aliases
09:48:30.614 INFO - Command request: getNewBrowserSession[*firefox,
http://dx2:8080] on session null
09:48:30.656 INFO - Launching session 710614
09:48:30.674 INFO - Preparing Firefox profile...
(firefox-bin:21848): Gtk-WARNING **: cannot open display:
09:48:50.777 WARN - GET /selenium-server/driver/?cmd=getNewBrowserSession&1=%2Afirefox&2=http%3A%2F%2Fdx2%3A8080 HTTP/1.1
java.lang.RuntimeException: Timed out waiting for profile to be created!
at org.openqa.selenium.server.browserlaunchers.FirefoxCustomProfileLauncher.waitForFullProfileToBeCreated(FirefoxCustomProfileLauncher.java:271)
at org.openqa.selenium.server.browserlaunchers.FirefoxCustomProfileLauncher.launch(FirefoxCustomProfileLauncher.java:147)
at org.openqa.selenium.server.browserlaunchers.AbstractBrowserLauncher.launchRemoteSession(AbstractBrowserLauncher.java:24)
at org.openqa.selenium.server.SeleniumDriverResourceHandler.getNewBrowserSession(SeleniumDriverResourceHandler.java:587)
at org.openqa.selenium.server.SeleniumDriverResourceHandler.doCommand(SeleniumDriverResourceHandler.java:396)
at org.openqa.selenium.server.SeleniumDriverResourceHandler.handleCommandRequest(SeleniumDriverResourceHandler.java:375)
at org.openqa.selenium.server.SeleniumDriverResourceHandler.handle(SeleniumDriverResourceHandler.java:123)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1530)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1482)
at org.mortbay.http.HttpServer.service(HttpServer.java:909)
at org.mortbay.http.HttpConnection.service(HttpConnection.java:816)
at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:982)
at org.mortbay.http.HttpConnection.handle(HttpConnection.java:833)
at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244)
at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)
at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)