Non English Characters Not Shown Correctly in JDBC Application after Upgrade of Database from 11.2 to 12.2
(Doc ID 2373661.1)
Last updated on AUGUST 09, 2023
Applies to:JDBC - Version 126.96.36.199.0 to 188.8.131.52.0 [Release 11.2 to 12c]
Information in this document applies to any platform.
Issue with ODI 184.108.40.206 displaying some non-English characters incorrectly after a database upgrade from 220.127.116.11 to 18.104.22.168. Problem characters display as "????" or squares depending on the environment.
The issue is not JDBC driver version dependent and reproduces for JDBC 11.2 and 12c drivers.
The issue could not be reproduced in sqlplus.
The issue was found to be specific to CLOB columns and do not affect VARCHAR2 columns
It was verified that the characters were correctly encoded in the database. For example:
Notice the missing characters that are rendered as squares:
The issue was found to be specific to the database character set WE8ISO8859P9 West European and Turkish
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