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"Parameter Type Conflict" SQLException After Migrating From 9i To 10g JDBC Driver (Doc ID 468327.1)

Last updated on JUNE 25, 2021

Applies to:

JDBC - Version and later
Information in this document applies to any platform.
This problem can occur on any platform.


A Java program  invokes a  PL/SQL stored procedure having an input/output parameter.

Using the 10g//11g  JDBC driver, it gives the following exception when invoking this procedure:

      "SQLException: Parameter Type Conflict".

This  Exception  is thrown when calling the execute() method of the CallableStatement  object.
The related Java program is the following :


The JDBC driver  has been upgraded from 9i to 10g. 


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