With ThingWorx 5, if you're trying to create time series data, you will need to create a Stream to put the data into and create some form of subscription service to put the values into the stream. ValueStreams and automated logging didn't come along until ThingWorx 6 (I think). There's a full set of exercises for creating a stream in the Intro Course Videos.
Your property settings - what are the annotations you have used to set up your properties in the Java application? Setting the platform to read from remote isn't the most efficient way to work.
One question... why are you working with both ThingWorx 5 and 6.5? ThingWorx 5 is about two years old now...