I've had confluence running for a few months. It seems to have crashed/stopped last night. When I try to restart it, I'm getting the following:
2018-01-07 10:40:37,883 INFO [localhost-startStop-1] [atlassian.confluence.cluster.DefaultClusterConfigurationHelper] lambda$populateExistingClusterSetupConfig$1 Populating setup configuration if running with Cluster mode...
2018-01-07 10:40:37,917 ERROR [localhost-startStop-1] [atlassian.confluence.setup.ConfluenceConfigurationListener] contextInitialized An error was encountered while bootstrapping Confluence (see below):
null
java.lang.NullPointerException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at com.atlassian.confluence.setup.DefaultBootstrapManager.isDriverPresent(DefaultBootstrapManager.java:564)
at com.atlassian.confluence.setup.DefaultBootstrapManager.checkRequiredDriverIs....
Not starting full plugin system due to upgrade or licensing errors
2018-01-07 10:40:38,349 INFO [localhost-startStop-1] [com.atlassian.confluence.lifecycle] init Confluence is ready to serve
License was bought and applied several months ago - so what is gonig on and how to I get it to start?