[Fixed] CLOUD-0005: Unable To Establish Connection

Error encountered while Creating Database Adapter/Connection as part of our Oracle Integration Cloud Services Training (OIC).

Have you ever Encountered an Error while establishing a database connection?

If yes, Then check out K21Academy’s blog post at which covers:
•Check 1. The Provided Hostname Is Invalid
•Check 2. Port 1521 Must Be Closed
•Steps To Open port 1521
•Check 3. Ensure That Your Connectivity Agent Is Up And Running
•Check 4. The DataBase Should Be Up And Running

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Click on the below image to Register for the FREE MASTERCLASS Now!Oracle API Platform Cloud Service Overview

Also, don’t forget to join our FREE Telegram group at and receive all OIC related news and updates there.

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About the Author Atul Kumar

Oracle ACE, Author, Speaker and Founder of K21 Technologies & K21 Academy : Specialising in Design, Implement, and Trainings.

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