'IO Error: Checksum Fail' when Connecting with JDBC Thin Driver over TCPS and ANO Checksumming Is Enabled
(Doc ID 2972259.1)
Last updated on MARCH 05, 2025
Applies to:
JDBC - Version 21.5 to 23.2 [Release 21 to 23]Information in this document applies to any platform.
Symptoms
JDBC connections to the database fail with error "IO Error: Checksum Fail".
This happens when connecting with JDBC Thin Driver over TCPS and Oracle Native Encryption (ANO) Checksumming is enabled.
The database sqlnet.ora shows ANO checksumming enabled:
then, JDBC thin driver connects without issues.
The JDBC THICK/OCI driver does not have this issue.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |