我已經在本地ubuntu srver上成功建立了RMI系統。 註冊表端口1099和1100上的遠程對象導出(通過調用super(1100)修復) 現在我試圖通過公共IP在Internet上使它工作在Ubuntu上。 我可以使用公共ip正確地綁定服務。但客戶端小程序試圖在隨機端口連接到ubuntu服務器。 下面是由客戶端小程序拋出的錯誤:RMI小程序在隨機端口上發出請求並因此被阻止
// Exception
network: Connecting public-ip:1100 with proxy=DIRECT
network: Connecting public-ip/cgi-bin/java-rmi.cgi?forward=1099 with proxy=DIRECT
network: Connecting public-ip:3733 with proxy=DIRECT
network: Connecting public-ip:3721 with proxy=DIRECT
//
java.rmi.ConnectException:
Connection refused to host: public-ip; nested exception is: java.net.ConnectException: Connection refused: connect at sun.rmi.transport.tcp.TCPEndpoint.newSocket(Unknown Source)Source) at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
...
我只有2個端口的服務器開放,即1099(註冊表)和1100(出口)。如何在applet請求中修復端口,以便它始終將服務器連接到同一個打開的端口上?
另一個問題。 因爲我已經綁定了公共IP上的服務,例如// public-ip:1099/ServiceName,所以在服務器上運行的作業將消息發送給Clinets無法向RMI服務發出請求。 public-ip URL不能在同一臺機器上工作,即server.Do你認爲我應該使用固定套接字工廠嗎?如果是這樣,請給我代碼片段,並指導我如何設置它。
//Exception
java.rmi.ConnectException: Connection refused to host: public-ip; nested exception is:
java.net.ConnectException: Connection refused
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:619)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:128)
at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:194)
at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:148)
at $Proxy5.getUserID(Unknown Source)
at rmi.source.xxxxxx$JobScheduler.run(xxxxServerImpl.java:293)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)
Caused by: java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:337)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:198)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
at java.net.Socket.connect(Socket.java:579)
at java.net.Socket.connect(Socket.java:528)
at java.net.Socket.<init>(Socket.java:425)
at java.net.Socket.<init>(Socket.java:208)
at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:146)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
... 9 more
提示:如果它與Java有關或用Java編寫,請添加Java標記。 –