我用httpclient的post方法向服务器发送请求（外国的服务器，用了代理的），然后返回的信息如下：这是哪里的错误啊？
2010-4-2 16:43:44 org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
信息: I/O exception (java.net.ConnectException) caught when processing request: Connection timed out: connect
2010-4-2 16:43:44 org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
信息: Retrying request
2010-4-2 16:44:06 org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
信息: I/O exception (java.net.ConnectException) caught when processing request: Connection timed out: connect
2010-4-2 16:44:06 org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
信息: Retrying request
2010-4-2 16:44:27 org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
信息: I/O exception (java.net.ConnectException) caught when processing request: Connection timed out: connect
2010-4-2 16:44:27 org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
信息: Retrying request
java.net.ConnectException: Connection timed out: 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 com.sun.net.ssl.internal.ssl.SSLSocketImpl.connect(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.<init>(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketFactoryImpl.createSocket(Unknown Source)
at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.createSocket(SSLProtocolSocketFactory.java:82)
at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.createSocket(SSLProtocolSocketFactory.java:127)
at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707)
at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:387)
at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323)
at com.hgl.scan.Checker.request(Checker.java:33)
at com.hgl.scan.Checker.finalstate(Checker.java:118)
at com.hgl.scan.ReadFile.readfile(ReadFile.java:49)
at com.hgl.scan.Executor.actionPerformed(Executor.java:122)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)登陆成功！
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)