Failed to load Main-Class manifest attribute from /research/fiper/jfiper/jini/jini1_1/lib/tools.jar Activation.main: an exception occurred: Port already in use: 1098; nested exception is: java.net.BindException: Address already in use java.rmi.server.ExportException: Port already in use: 1098; nested exception is: java.net.BindException: Address already in use java.net.BindException: Address already in use at java.net.PlainSocketImpl.socketBind(Native Method) at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:397) at java.net.ServerSocket.<init>(ServerSocket.java:172) at java.net.ServerSocket.<init>(ServerSocket.java:85) at sun.rmi.transport.proxy.RMIDirectSocketFactory.createServerSocket(RMIDirectSock etFactory.java:34) at sun.rmi.transport.proxy.RMIMasterSocketFactory.createServerSocket(RMIMasterSock etFactory.java:316) at sun.rmi.transport.tcp.TCPEndpoint.newServerSocket(TCPEndpoint.java:550) at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:186) at sun.rmi.transport.tcp.TCPTransport.exportObject(TCPTransport.java:158) at sun.rmi.transport.tcp.TCPEndpoint.exportObject(TCPEndpoint.java:323) at sun.rmi.transport.LiveRef.exportObject(LiveRef.java:123) at sun.rmi.server.UnicastServerRef.exportObject(UnicastServerRef.java:118) at sun.rmi.registry.RegistryImpl.setup(RegistryImpl.java:99) at sun.rmi.registry.RegistryImpl.<init>(RegistryImpl.java:85) at java.rmi.registry.LocateRegistry.createRegistry(LocateRegistry.java:171) at sun.rmi.server.Activation.main(Compiled Code)