With a recent (installed today) version of Rserve, using oobSend (via update(0)) results in an error:
2014-01-07 16:55:31,346 ERROR patavi.worker.consumer: #<Exception java.lang.Exception: org.rosuda.REngine.REngineException: Error in update(0) :
OOB commands can only be used from code evaluated inside an Rserve client instance
With a recent (installed today) version of Rserve, using oobSend (via update(0)) results in an error:
Which is generated here: https://github.com/s-u/Rserve/blob/master/src/Rserv.c#L1773
Not too sure what the error means though, I would think we are in such an instance.