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Invalid String Conversion From CLOB Field Using JDBC THIN Driver (Doc ID 2377078.1)

Last updated on JANUARY 22, 2020

Applies to:

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


After database upgraded to 12.2 version same data which are readable from database contains invalid characters (For table with CLOB field).

The problem occurs in the application when the JDBC thin client is connected and when connecting SQL Developer, DBeaver. 

ORACLE 12.1 version - Showing correct characters and ORACLE 12.2 version - showing invalid characters


 Database Upgraded from 12.1 to 12.2 version.


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