请教一个急需解决的定时器问题（在线等）

1，当我在定时器中调用action时，在action中设个断点，程序可以运行，当取消断点时程序报错
关键时这句：byte[] bs = webClient.getWebConnection().getResponse(wrs).getResponseBody();   直接运行这个action时这句没问题；
2，当我把所以action中的代码加到定时器里面时，上面那句还是报错（直接运行时），当加上断点又没有错
报错如下：
java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:364)
at java.net.Socket.connect(Socket.java:507)
at java.net.Socket.connect(Socket.java:457)
at java.net.Socket.<init>(Socket.java:365)
at java.net.Socket.<init>(Socket.java:238)
at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:79)2007-07-03 18:19:56,031 [org.springframework.core.CollectionFactory]-[INFO] JDK 1.4+ collections available
2007-07-03 18:19:56,109 [org.springframework.core.CollectionFactory]-[INFO] Commons Collections 3.x available at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:121)
at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:706)
at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(MultiThreadedHttpConnectionManager.java:1321)
at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:386)
at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:170)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:396)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:346)
at com.gargoylesoftware.htmlunit.HttpWebConnection.getResponse(HttpWebConnection.java:126)
at com.jhxt.struts.action.GetResumeAction.execute(GetResumeAction.java:62)
at com.jhxt.model.TimeTask.run(TimeTask.java:58)
at java.util.TimerThread.mainLoop(Timer.java:512)
at java.util.TimerThread.run(Timer.java:462)