Java's errors when run on Suse

I tried to launch keycloack with OpenSuse Leap 15.1 but i got a lot of java’s errors. When i try the same process on Ubuntu all works correctly.

I’ve reinstall java 8 but it still crash.
Did i forgot to setup some files or something like that ?

10:47:40,790 INFO  [] (Thread-2) WFLYSRV0220: Server shutdown has been requested via an OS signal
10:47:40,819 ERROR [] (ServerService Thread Pool -- 67) MSC000001: Failed to start service jboss.deployment.unit."keycloak-server.war".undertow-deployment: org.jboss.msc.service.StartException in service jboss.deployment.unit."keycloak-server.war".undertow-deployment: java.lang.RuntimeException: RESTEASY003325: Failed to construct public,org.jboss.resteasy.core.Dispatcher) 

I can’t make a proper copy/paste with markdown so i put a screen.

The error says Keycloak can not connect to a database. Seems like some kind of connectivity or configuration mistake.

(Thanks you for your quick reply)

Any ideas of witch one ? As i said it works fine on Ubuntu with the same configuration so I’m lost.

Btw it’s just one error among many about Java