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Unable to establish connection to Oracle 11G

Hi I am unable to connect to oracel 11g below is the error "Unable to establish connection: IO Error: The Network Adapter could not establish the connection" Please check and advice .
08-08-2019 02:52:49 -0400

1 Answer

Hi The mentioned error message is generally thrown when: * The JDBC URI is incorrectly defined in the Data Source Configuration of the Virtual Dataport Administration Tool. It could be either incorrect port number or incorrect hostname or missing “@” symbol in the URI. * Oracle server listener service is down thus not responding to requests from clients on the designated port number. Hence, I would start with validating the JDBC URI syntax which should follow the below format: * jdbc:oracle:thin:@<host>:<port>:<service name> or * jdbc:oracle:thin:@<host>:<port>:<sid> If the JDBC syntax looks right, I would then verify if the Oracle server listener services are up and running. Hope this helps!
Denodo Team
09-08-2019 05:21:34 -0400
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