emma ctl: coverage.get: RPC failure

[wangcheng]

who can help me to analyze what 's the problem?

hps@HPSManage245:~/HPSManage/tomcat/bin> java emma ctl -connect localhost:47653  -command coverage.get,/home/hps/coverage.ec

EMMA: processing control command sequence …
EMMA: executing  …

emma ctl: coverage.get: RPC failure while executing
Exception in thread "main" com.vladium.emma.EMMARuntimeException: coverage.get:                                                                               RPC failure while executing
        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
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
        at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
        at java.net.Socket.connect(Socket.java:529)
        at java.net.Socket.connect(Socket.java:478)
        at java.net.Socket.<init>(Socket.java:375)
        at java.net.Socket.<init>(Socket.java:218)
        at com.vladium.emma.rt.RTControllerClientProxy.execute(RTControllerClien                                                                              tProxy.java:84)
        at com.vladium.emma.ctl.CtlProcessor._run(CtlProcessor.java:231)
        … 3 more