Hello together,

I have a question concerning the data types I can transport via the 
output (input) ports. If I try something like this:

        MyClass myObject = new MyClass();
        T2Reference containerRef = referenceService.register(myObject, 
0, false (or true), context);
        outputs.put(this.RESULT_PORT, containerRef);

the following exception is thrown if I try to start the workflow:

       net.sf.taverna.t2.reference.ReferenceServiceException: Failed to 
register object MyObject

Are there any steps nescessary to make the object eligable for registration?

Regards
Andreas

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