In this post, you’ll learn more about the Oracle ErrorJMS-00169: Sql_data_class cannot be null with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
JMS-00169: Sql_data_class cannot be null
Reason for the Error JMS-00169: Sql_data_class cannot be null
Cause: SQLData class specified is null
How to fix the Error JMS-00169: Sql_data_class cannot be null ?
You can fix this error in Oracle by following the below steps
Action: Specify the SQLData class that maps to the ADT type defined for the queue