我试图让一个从设备连接到两个主设备。然而，当我运行Jenkins JNLP时，我一直得到套接字错误。有人有经验吗？

C:\Documents and Settings\Administrator>java -jar "C:\Documents and Settings\Adm
inistrator\Desktop\test2-slave.jar" -jnlpUrl http://test2.site.com:8080/com
puter/Slave1/slave-agent.jnlp -secret b4161b716c31a8985d8eb2760fdc6a404693bbf86c
7262973554877759ea1db1
Dec 25, 2013 10:50:16 AM hudson.remoting.jnlp.Main$CuiListener <init>
INFO: Jenkins agent is running in headless mode.
Dec 25, 2013 10:50:16 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Locating server among [http://test2.site.com:8080/]
Dec 25, 2013 10:50:16 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Connecting to test2.site.com:7777
Dec 25, 2013 10:50:47 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Connecting to test2.site.com:7777 (retrying:2)
java.net.ConnectException: Connection timed out: connect
        at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method)
        at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
        at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
        at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
        at java.net.PlainSocketImpl.connect(Unknown Source)
        at java.net.SocksSocketImpl.connect(Unknown Source)
        at java.net.Socket.connect(Unknown Source)
        at java.net.Socket.connect(Unknown Source)
        at java.net.Socket.<init>(Unknown Source)
        at java.net.Socket.<init>(Unknown Source)
        at hudson.remoting.Engine.connect(Engine.java:333)
        at hudson.remoting.Engine.run(Engine.java:222)

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我知道我可以在端口8080上连接到Jenkins盒。（我检查了）。