com.jacob.com.ComFailException: Can't map name to dispid: SaveAs

[LittlegirlCC]

com.jacob.com.ComFailException: Can't map name to dispid: SaveAs
at com.jacob.com.Dispatch.invokev(Native Method)
at com.jacob.com.Dispatch.invokev(Dispatch.java:804)
at com.jacob.com.Dispatch.invoke(Dispatch.java:483)
at com.xiyou.core.JacobUtil.wordToHtml(JacobUtil.java:35)
at cn.alanx.upload.sample.AlanXUploadServlet.doPost(AlanXUploadServlet.java:138)
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.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:128)
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:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)

运行时的报错，怎么解决，由什么引起？

[locker99]

你拿到的对象里面没有要调的方法

[fanlao1]

我也是遇到了这个问题，有什么好的解决方法？