各位高手求教一个问题.最近更换了个服务器，结果一做修改或添加操作就出异常.原来服务器和本地都可以,下面是异常和详细说明.

使用的是struts,个人看这异常像是映射的问题.可具体什么原因不清楚.原来服务器和本地完全正常,也没少传什么文件.是不是服务器设置问题.大家谁知道具体原因吗?
望赐教呀!type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception java.security.AccessControlException: access denied (java.lang.reflect.ReflectPermission suppressAccessChecks)
java.security.AccessControlContext.checkPermission(AccessControlContext.java:264)
java.security.AccessController.checkPermission(AccessController.java:427)
java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
java.lang.reflect.AccessibleObject.setAccessible(AccessibleObject.java:74)
com.diversechina.base.BaseEntity.toString(BaseEntity.java:30)
java.lang.String.valueOf(String.java:2615)
java.lang.StringBuffer.append(StringBuffer.java:220)
org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:891)
org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java:811)
org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:298)
org.apache.struts.util.RequestUtils.populate(RequestUtils.java:1252)
org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.java:821)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:254)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
sun.reflect.GeneratedMethodAccessor221.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:239)
java.security.AccessController.doPrivileged(Native Method)
javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:266)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:157)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.27 logs.