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Client APIs and toolsYou can use the HCL OneDB™ implementation of client APIs to develop applications for HCL OneDB™ database servers.
HCL OneDB™ JDBC Driver GuideThe HCL OneDB™ JDBC Driver Programmer's Guide describes how to install, load, and use HCL OneDB™ JDBC Driver to connect to the HCL OneDB™ database from within a Java™ application.
Appendixes
Error messages
-79777readObject/writeObject() only supports UDTs, Distincts, and complex types

-79777

readObject/writeObject() only supports UDTs, Distincts, and complex types

The SQLData.writeObject() method was called for an object that is not a user-defined, distinct, or complex type.

Verify that you have provided customized type-mapping information.