Retrieving A String Text Written With Cyrillic Characters in JDBC Application Shows Junk Characters When Reading From A CLOB Column in 12.2.0.1 Database

(Doc ID 2366969.1)

Last updated on MARCH 08, 2018

Applies to:

JDBC - Version 11.2.0.4.0 and later
Information in this document applies to any platform.

Symptoms

Retrieving a string text written with Cyrillic characters from a Java program using JDBC Thin 12.1.0.2 or 12.2.0.1 works for VARCHAR2 column, but does not work when reading from a CLOB column from a 12.2.0.1 database with character set CL8ISO8859P5. Junk characters are shown in this case.
However, the same 
works perfectly for previous database version 12.1.0.2 or 11.2.0.4 with the same character set.

 

Changes

 

Cause

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