portal报错， easportal打不开费用报销

EAS7.5，用户进行portal界面报错

进入easportal后，打开费用报销页签，也报错：

点详细信息如图：

服务器日志有如下提示：
WARNING [apusic.web.EASWeb./easweb] Cannot load startup servlet 'ResourceServlet'.
javax.servlet.ServletException: Class not found: com.kingdee.bos.web.resource.ResourceServlet
at com.apusic.web.container.WebComponent.(Unknown Source)
at com.apusic.web.container.ServletComponent.(Unknown Source)
at com.apusic.web.container.WebContainer.loadServlet(Unknown Source)
at com.apusic.web.container.WebContainer.loadServlet(Unknown Source)
at com.apusic.web.container.WebContainer.loadStartupServlets(Unknown Source)
at com.apusic.web.container.WebContainer.start(Unknown Source)
at com.apusic.web.http.VirtualHost.addContext(Unknown Source)
at com.apusic.web.http.HttpServer.loadWebModule(Unknown Source)
at com.apusic.web.WebService.loadWebModule(Unknown Source)
at com.apusic.deploy.runtime.WebModule.load(Unknown Source)
at com.apusic.deploy.runtime.J2EEApplication.loadModules(Unknown Source)
at com.apusic.deploy.runtime.J2EEApplication.startApplication(Unknown Source)
at com.apusic.deploy.runtime.J2EEApplication.startService(Unknown Source)
at com.apusic.service.Service.start(Unknown Source)
at com.apusic.deploy.runtime.J2EEDeployer.startUserApplications(Unknown Source)
at com.apusic.deploy.runtime.J2EEDeployer.startService(Unknown Source)
at com.apusic.service.Service.start(Unknown Source)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:618)
at com.apusic.jmx.MBeanDescriptor.invoke(Unknown Source)
at com.apusic.jmx.DynamicMBeanSupport.invoke(Unknown Source)
at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(DynamicMetaDataImpl.java:231)
at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:238)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:833)
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:802)
at com.apusic.server.J2EEServer.start(Unknown Source)
at com.apusic.server.J2EEServer.startup(Unknown Source)
at com.apusic.server.Main.main(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:618)
at com.kingdee.eas.tools.launcher.Start.main(Start.java:213)

求助，急~
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