从 WebTop 打开任何 MS 文档时出现以下错误，结果我什么都无法打开... :(
Jan 23, 2013 6:26:32 AM com.documentum.ucf.client.logging.impl.UCFLogger warn
WARNING: UCF Client Version 5.3.0.1
Jan 23, 2013 6:26:37 AM com.documentum.ucf.client.logging.impl.UCFLogger fatal
SEVERE: Client sender failed to send response message
com.documentum.ucf.common.transport.TransportStreamException: Client sender failed to send response message
at com.documentum.ucf.client.transport.impl.ClientSender.send(ClientSender.java:74)
at com.documentum.ucf.client.transport.impl.ClientSession.sendAndGetReceiver(ClientSession.java:590)
at com.documentum.ucf.client.transport.impl.ClientSession.handshake(ClientSession.java:673)
at com.documentum.ucf.client.transport.impl.ClientSession.handshake(ClientSession.java:653)
at com.documentum.ucf.client.transport.impl.ClientSession.run(ClientSession.java:270)
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(Unknown Source)
at java.net.PlainSocketImpl.connectToAddress(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 sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.<init>(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(Unknown Source)
at com.documentum.ucf.client.transport.impl.ClientNativeGAIRConnector.sendProlog(ClientNativeGAIRConnector.java:179)
at com.documentum.ucf.client.transport.impl.ClientSender.send(ClientSender.java:46)
... 4 more
无法理解为什么连接被拒绝。我使用 Windows 7 x64、ECM Documentum 6.7、IE 8（用于 32 和 64）/IE9（用于 32 和 64）、java 1.6。有人可以帮助我吗？
谢谢！