I try to install metabase via java, but it hangs.
` java -jar metabase.jar
06-17 14:44:54 INFO metabase.core :: Starting Metabase in STANDALONE mode
06-17 14:44:54 INFO metabase.core :: Launching Embedded Jetty Webserver with config:
{:port 3000}
06-17 14:44:54 INFO metabase.core :: Starting Metabase version v0.17.1 (e1376ea release-0.17.1) …
06-17 14:44:54 INFO metabase.core :: System timezone is ‘America/Detroit’ …
06-17 14:44:56 DEBUG metabase.driver :: Registered driver :bigquery 
06-17 14:44:56 DEBUG metabase.driver :: Registered driver :druid
06-17 14:44:56 DEBUG metabase.driver :: Registered driver :h2
06-17 14:44:56 DEBUG metabase.driver :: Registered driver :mongo
06-17 14:44:56 DEBUG metabase.driver :: Registered driver :mysql
06-17 14:44:56 DEBUG metabase.driver :: Registered driver :postgres
06-17 14:44:56 DEBUG metabase.driver :: Registered driver :redshift
06-17 14:44:56 DEBUG metabase.driver :: Registered driver :sqlite
06-17 14:44:56 DEBUG metabase.driver :: Registered driver :sqlserver
06-17 14:44:57 INFO metabase.db :: Verifying Database Connection …
06-17 14:44:58 INFO metabase.db :: Verify Database Connection … 
Exception in thread “dirigiste-pool-controller-0” java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
at io.aleph.dirigiste.Stats$UniformLongReservoirMap.toMap(Stats.java:114)
at io.aleph.dirigiste.Pool.updateStats(Pool.java:233)
at io.aleph.dirigiste.Pool.startControlLoop(Pool.java:316)
at io.aleph.dirigiste.Pool.access$500(Pool.java:8)
at io.aleph.dirigiste.Pool$1.run(Pool.java:377)
at java.lang.Thread.run(Thread.java:745)
06-17 14:45:28 INFO metabase.db :: Database Migrations Current …
06-17 14:45:28 INFO db.migrations :: Running all necessary data migrations, this may take a minute.
06-17 14:45:28 INFO db.migrations :: Finished running data migrations.
06-17 14:45:29 INFO metabase.events :: Starting events listener: metabase.events.activity-feed 
06-17 14:45:29 INFO metabase.events :: Starting events listener: metabase.events.dependencies
06-17 14:45:29 INFO metabase.events :: Starting events listener: metabase.events.driver-notifications
06-17 14:45:29 INFO metabase.events :: Starting events listener: metabase.events.last-login
06-17 14:45:29 INFO metabase.events :: Starting events listener: metabase.events.metabot-lifecycle
06-17 14:45:29 INFO metabase.events :: Starting events listener: metabase.events.notifications
06-17 14:45:29 INFO metabase.events :: Starting events listener: metabase.events.revision
06-17 14:45:29 INFO metabase.events :: Starting events listener: metabase.events.sync-database
06-17 14:45:29 INFO metabase.events :: Starting events listener: metabase.events.view-log
06-17 14:45:30 INFO metabase.task :: Loading tasks namespace: metabase.task.follow-up-emails 
06-17 14:45:30 INFO metabase.task :: Loading tasks namespace: metabase.task.send-pulses
06-17 14:45:30 INFO metabase.task :: Loading tasks namespace: metabase.task.sync-databases
06-17 14:45:31 INFO metabase.core :: Looks like this is a new installation … preparing setup wizard
06-17 14:45:31 INFO metabase.core :: Please use the following url to setup your Metabase installation:
06-17 14:45:31 INFO metabase.core :: Metabase Initialization COMPLETE
`