EMMA: RPC failure while executing

when run get coverage task


Exception in thread "main" com.vladium.emma.EMMARuntimeException: coverage.get:
RPC failure while executing [coverage.get]
at com.vladium.emma.ctl.CtlProcessor._run(CtlProcessor.java:242)
at com.vladium.emma.Processor.run(Processor.java:88)
at com.vladium.emma.ctl.ctlCommand.run(ctlCommand.java:151)
at emma.main(emma.java:50)
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)


- Check if there are duplicated emma jars in the system 
- Could be caused by there's no yet any run against the server, hence there's no coverage.ec generated on the server port 
- Check if the gen/metadata.emma is the latest, i.e. if it is the result of instrumentation of the current code on the Server