java.lang.NullPointerException
   at org.netbeans.lib.ddl.adaptors.DefaultAdaptor.getDatabaseProductName(DefaultAdaptor.java:505)
   at org.netbeans.modules.db.explorer.node.ConnectionNode.updateLocalProperties(ConnectionNode.java:176)
   at org.netbeans.modules.db.explorer.node.ConnectionNode.access$200(ConnectionNode.java:74)
   at org.netbeans.modules.db.explorer.node.ConnectionNode$2.run(ConnectionNode.java:316)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1973)