OH 2 doesnt appear to start

Setup, Configuration and Use Beginners
1

I have recently restarted my server and OH appears not to start properly, when i go to the IP address i get the following

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This is in my openhab.log

2017-11-27 13:14:41.084 [INFO ] [el.core.internal.ModelRepositoryImpl] - Loading model 'demo.rules'
2017-11-27 13:14:41.197 [INFO ] [el.core.internal.ModelRepositoryImpl] - Loading model 'demo.sitemap'
2017-11-27 13:14:41.401 [INFO ] [thome.model.lsp.internal.ModelServer] - Language Server started on port 5007
2017-11-27 13:14:41.548 [INFO ] [el.core.internal.ModelRepositoryImpl] - Loading model 'demo.things'
2017-11-27 13:14:49.547 [WARN ] [nce.extensions.PersistenceExtensions] - There is no queryable persistence service registered with the id 'rrd4j'
2017-11-27 13:14:49.549 [WARN ] [nce.extensions.PersistenceExtensions] - There is no queryable persistence service registered with the id 'rrd4j'
2

Just issued the following commands and it appears to have started

sudo systemctl stop openhab2    # Stops the service
sudo systemctl start openhab2   # Starts the service