Java Database Connectivity (JDBC)

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java.sql.SQLRecoverableException: IO error: could not resolve the connect identifier

User_J1P02Aug 26 2022 — edited Sep 6 2022

Dear Experts,
I need your help.
oracle cloud is not connecting.
the following error pop...

java.sql.SQLRecoverableException: IO Error: could not resolve the connect identifier
Caused by: oracle.net.ns.NetException: could not resolve the connect identifier

I think it's hard to see it as a simple connection error

in SQLplus(sqlDeveloper), I confirmed that the connection is fine.

Also, if I run the same code on another laptop, the connection works fine.
and, if I run the same code on another idle(eclipse, intelliJ), same errors is occured.
what am i missing?

Added on Aug 26 2022

#connection, #java-database-connectivity-jdbc

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