Start d2r on molgenis n3 mapping :

• In local installation d2r-server -p 2020 molgenis.n3
• there are some exception about :
  • de.fuberlin.wiwiss.d2rq.D2RQException: Column @@digital_identity.digital_identity_id@@ not found in database (E0)
  • Exception in thread "main" java.lang.NullPointerException?
    • at de.fuberlin.wiwiss.d2rs.JettyLauncher .start(JettyLauncher.java:68 )
    • at d2r.server.startServer(server.java:86 )
    • at d2r.server.main(server.java:57 )

TODO :

• Next steps : check which DB it makes use . This digital identity seems to be in a really old DB .
• after taking NULL EXCEPTION off the command line run of D2R..\
• check the SPARQL interface if is running om localhost/8080 ​http://localhost:2020/snorql/

DONE : 

23     d2rq:jdbcDSN "jdbc:mysql://127.0.0.1/addressbook"; this is actually used . So copy another molgenis n3 mapping from a valid database. The schemes seems to be incompatible .