75 ways to demystify DB2: #23: Techtip: Error SqlCode = -4700 returned to JCC applications after upgrading DB2/Z servers to V11 CM mode.
Subbu Prabhu 060001JD9S Visits (7793)
Recently we are seeing lot of cases where applications using IBM DB2 JDBC drivers(db2jcc.jar/db2jcc4.jar)) start failing with SqlCode = -4700 after DB2/zOS server upgrade to V11 CM (Compatibility mode). I wanted to clarify about the error and explain the background. -4700 is a sqlcode returned by the DB2/Z server. It means: "ATTEMPT TO USE NEW FUNCTION BEFORE NEW FUNCTION MODE" The error is returned when the application queries the special register CLIENT_CORR_TOKEN . This special register is not available in V11 CM and introduced in... [More]