tomcat版本问题?

at com.poyer.common.socket.ClientSocketConnectionImpl.openSocket(ClientS
ocketConnectionImpl.java:111)
        at com.poyer.common.socket.ClientSocketConnectionImpl.open(ClientSocketC
onnectionImpl.java:75)
        at com.poyer.sms.common.SMSServerConnection.connect(SMSServerConnection.
java:38)
        at com.poyer.sms.common.SMSServerSocket.BindingServer(SMSServerSocket.ja
va:44)
        at com.poyer.sms.common.SMSServerSocket.<init>(SMSServerSocket.java:32)
        at com.poyer.dsm.context.DsmContextServlet.contextInitialized(DsmContext
Servlet.java:72)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContex
t.java:3212)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:3
554)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1141)        at org.apache.catalina.core.StandardHost.start(StandardHost.java:707)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1141)        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:316
)
        at org.apache.catalina.core.StandardService.start(StandardService.java:4
50)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:214
3)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:463)
        at org.apache.catalina.startup.Catalina.execute(Catalina.java:350)
        at org.apache.catalina.startup.Catalina.process(Catalina.java:129)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:156)
java.net.ConnectException: Connection refused: connect
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:305)
        at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:171)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:158)
        at java.net.Socket.connect(Socket.java:464)
        at java.net.Socket.connect(Socket.java:414)
        at java.net.Socket.<init>(Socket.java:310)
        at java.net.Socket.<init>(Socket.java:125)
        at com.poyer.common.socket.ClientSocketConnectionImpl.openSocket(ClientS
ocketConnectionImpl.java:111)
        at com.poyer.common.socket.ClientSocketConnectionImpl.open(ClientSocketC
onnectionImpl.java:75)
        at com.poyer.sms.common.SMSServerConnection.connect(SMSServerConnection.
java:38)
        at com.poyer.sms.common.SMSServerSocket.BindingServer(SMSServerSocket.ja
va:44)
        at com.poyer.sms.common.SMSServerSocket.<init>(SMSServerSocket.java:32)
        at com.poyer.dsm.context.DsmContextServlet.contextInitialized(DsmContext
Servlet.java:72)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContex
t.java:3212)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:3
554)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1141)        at org.apache.catalina.core.StandardHost.start(StandardHost.java:707)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1141)        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:316
)
        at org.apache.catalina.core.StandardService.start(StandardService.java:4
50)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:214
3)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:463)
        at org.apache.catalina.startup.Catalina.execute(Catalina.java:350)
        at org.apache.catalina.startup.Catalina.process(Catalina.java:129)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:156)
在server.xml中使用同样的<Context>,不知是何原因?tomcat版本问题?