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Database Connectivity Over TLS 1.2 Using JDBC 12C Fails With "IO Error: No appropriate protocol" (Doc ID 2186385.1)

Last updated on AUGUST 31, 2023

Applies to:

JDBC - Version and later
Information in this document applies to any platform.


When testing a sample java program to connect to 12c oracle database and TLS 1.2 using JDBC thin client and JDK 1.8, the following error is obtained:
"IO Error: No appropriate protocol".

The patched version of ojdbc7.jar was downloaded from OTN to use TLSv2 per <Document 2122800.1> "IO Error: No appropriate protocol" When Trying to Connect to Oracle Database 12.1 with TLSv1.1 and TLSv1.2 Protocols.



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