2 Replies Latest reply on Jul 15, 2015 3:36 PM by rp0428

    SQL developer connection problem to Oracle Database

    2670775

      I have installed a oracle developer on win7

      version 4.03.16

      and I have an oracle database 12c

       

      when I connect from developer it said failed.

       

      error.JPG

      and I have check the listener is on

      listener.JPG

      And I can also ping successfully from win7 machine . Any more hints??

       

      ifconfig.JPG