There is a new release (2.9.0) of the ECF distribution provider for OSGi R7 Remote Services between Java and Python.
This release has:
An upgraded version of Py4j
An upgraded version of Google Protocol Buffers
Enhancements to the distribution provider based upon the improved Py4j and Protobuf libs
In this previous blog posting there are links to tutorials and examples showing how to use remote services between Python<->Java.->
Python<->Java remote services can be consumed or implemented in either Java or Python.->