About New PortObject

I want create a new PortObject,implement of PortObject Interface,
But,I not know how to do that?
please talk me!thanks
especially how to do that for PortObjectSerializer!

I’m tryed,but get this error message:
ERROR PortUtil CODING PROBLEM Errors while accessing serializer object
ERROR DBQuery Unable to clone input data at port 0: java.lang.NoSuchMethodException: org.szw.ConnerObject.getPortObjectSerializer()

This question is OK! :slight_smile:
but have a new question:
I’m execute my node,progress is 99%,
get this error message:
ERROR KNIME-Worker-0 ThreadPool An exception occurred while executing a runnable.