After upgrading to WebLogic Server 126.96.36.199, Certain Functions that Read CLOB Data Throw: "java.sql.SQLException: Connection has already been closed" error
(Doc ID 2693946.1)
Last updated on JULY 24, 2020
Applies to:Oracle WebLogic Server - Version 188.8.131.52.0 and later
Information in this document applies to any platform.
After upgrading to Weblogic 184.108.40.206, certain functions (for example length() and getCharacterStream()) that read CLOB data are throwing java.sql.SQLException: Connection has already been closed errors.
Stack Trace that is seen:
Disabling "Wrap Data Types" for the datasource fixes the error, but what has changed after upgrading the application from WLS 220.127.116.11 to WLS 18.104.22.168?
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