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    Karthik Varma
    Not able to connect to Autonomous database using Oracle SQL...
    Topic posted October 16, 2019 by Karthik VarmaGold Medal: 3,500+ Points, last edited October 16, 2019, tagged Monitoring, Performance 
    71 Views, 4 Comments
    Title:
    Not able to connect to Autonomous database using Oracle SQL developer
    Content:

    I am getting the below error:

    IO Error: The Network Adapter could not establish the connection

    Any inputs? 

    Image:

    Comment

     

    • Simon Law

      I would try connecting to the ATP database with other tools such as SQL*Plus or SQLcl from the same machine where your SQL Developer is located, to narrow down whether this is a network problem or SQL Developer problem? 
      Are you connecting from your corporate network? If so, one possibility is that connection is blocked, you may need to go via a proxy server (check with your IT department) or test with an open network, such as using hotspot from your mobile network to see if this is related to the network.