使用jacob出现错误com.jacob.com.ComFailException: Invoke of: AddValue

2012-4-16 16:49:26 org.apache.catalina.core.StandardWrapperValve invoke严重: Servlet.service() for servlet default threw exceptioncom.jacob.com.ComFailException: Invoke of: AddValueSource: Description:     at com.jacob.com.Dispatch.invokev(Native Method)    at com.jacob.com.Dispatch.invokev(Dispatch.java:630)    at com.jacob.com.Dispatch.callN(Dispatch.java:453)    at com.jacob.com.Dispatch.call(Dispatch.java:541)    at com.jacob.activeX.ActiveXComponent.invoke(ActiveXComponent.java:402)    at com.aastocks.core.TradeDataHandler.setMsgParams(TradeDataHandler.java:71)    at com.aastocks.core.TradeDataHandler.requestData(TradeDataHandler.java:130)    at com.aastocks.servlet.ClienHandlerServlet.loginHandler(ClienHandlerServlet.java:96)    at com.aastocks.servlet.ClienHandlerServlet.doPost(ClienHandlerServlet.java:59)    at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:687)    at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469)    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:403)    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)    at com.aastocks.core.FilterServlet.doFilter(FilterServlet.java:56)    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:228)    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)    at java.lang.Thread.run(Thread.java:619)