在Java里使用xfire-webservice的时候，加入了缓存技术ehcache后报了如下错误，不知道是怎么回事，哪位大侠知道的帮忙解决下啊，先谢谢了。
[acepherics] 2010-09-02 18:05:14,230 ERROR [http-8080-2] DefaultFaultHandler.sendFault(96) | Could not send fault.
java.lang.IllegalStateException: Can't overwrite cause
at java.lang.Throwable.initCause(Throwable.java:320)
at com.ctc.wstx.compat.Jdk14Impl.setInitCause(Jdk14Impl.java:70)
at com.ctc.wstx.exc.WstxException.<init>(WstxException.java:46)
at com.ctc.wstx.exc.WstxIOException.<init>(WstxIOException.java:16)
at com.ctc.wstx.sw.BaseStreamWriter.flush(BaseStreamWriter.java:313)
at org.codehaus.xfire.soap.SoapSerializer.writeMessage(SoapSerializer.java:88)
at org.codehaus.xfire.transport.http.HttpChannel.writeWithoutAttachments(HttpChannel.java:56)
at org.codehaus.xfire.transport.http.XFireServletChannel.sendViaServlet(XFireServletChannel.java:87)
at org.codehaus.xfire.transport.http.XFireServletChannel.send(XFireServletChannel.java:44)
at org.codehaus.xfire.fault.FaultSender.invoke(FaultSender.java:37)
at org.codehaus.xfire.handler.HandlerPipeline.invoke(HandlerPipeline.java:131)
at org.codehaus.xfire.handler.DefaultFaultHandler.sendFault(DefaultFaultHandler.java:88)
at org.codehaus.xfire.handler.DefaultFaultHandler.invoke(DefaultFaultHandler.java:51)
at org.codehaus.xfire.service.binding.PostInvocationHandler.invoke(PostInvocationHandler.java:50)
at org.codehaus.xfire.handler.HandlerPipeline.invoke(HandlerPipeline.java:131)
at org.codehaus.xfire.transport.DefaultEndpoint.onReceive(DefaultEndpoint.java:64)
at org.codehaus.xfire.transport.AbstractChannel.receive(AbstractChannel.java:38)
at org.codehaus.xfire.transport.http.XFireServletController.invoke(XFireServletController.java:301)
at org.codehaus.xfire.transport.http.XFireServletController.doService(XFireServletController.java:130)
at org.codehaus.xfire.transport.http.XFireServlet.doPost(XFireServlet.java:116)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:413)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:861)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1584)
at java.lang.Thread.run(Unknown Source)
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我的也是 呜呜
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