当我调用一个webservice，http://ip:8080/wapportal/services/SubscribeService时，发生如下错误，请高手给个解决方案？

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:174)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContex
t.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:19
9)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:828)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:700)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java
:584)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:683)
        at java.lang.Thread.run(Thread.java:534)
java.net.SocketTimeoutException: Read timed out
        at org.apache.axis.AxisFault.makeFault(AxisFault.java:129)
        at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:131)        at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrateg
y.java:71)
        at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:150)
        at org.apache.axis.SimpleChain.invoke(SimpleChain.java:120)
        at org.apache.axis.client.AxisClient.invoke(AxisClient.java:180)
        at org.apache.axis.client.Call.invokeEngine(Call.java:2526)
        at org.apache.axis.client.Call.invoke(Call.java:2515)
        at org.apache.axis.client.Call.invoke(Call.java:2210)
        at org.apache.axis.client.Call.invoke(Call.java:2133)
        at org.apache.axis.client.Call.invoke(Call.java:1656)
        at com.eastcom.wapportal.ws.generated.SubscribeServiceSoapBindingStub.su
bscribe(SubscribeServiceSoapBindingStub.java:137)
        at eastcom.dba.SubscribeProxy.test1SubscribeServiceSubscribe(SubscribePr
oxy.java:48)
        at eastcom.servlet.MyOrder.service(MyOrder.java:74)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:247)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:193)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:256)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContex
t.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:191)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContex
t.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)        at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:
2422)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:180)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContex
t.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatche
rValve.java:171)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContex
t.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:163)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContex
t.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:174)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContex
t.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:19
9)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:828)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:700)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java
:584)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:683)
        at java.lang.Thread.run(Thread.java:534)
Caused by: java.net.SocketTimeoutException: Read timed out
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.read(SocketInputStream.java:129)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:183)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:201)
        at org.apache.axis.transport.http.HTTPSender.readHeadersFromSocket(HTTPS
ender.java:506)
        at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:127)        ... 42 more