No such method error

[test sf]

java.lang.NoSuchMethodError: org.apache.xerces.impl.xs.XMLSchemaLoader.loadGrammar([Lorg/apache/xerces/xni/parser/XMLInputSource V
org.apache.xerces.jaxp.validation.XMLSchemaFactory.newSchema(Unknown Source)
javax.xml.validation.SchemaFactory.newSchema(Unknown Source)
com.knowledgenet.lms.business.service.impl.semester.CourseTemplateServiceImpl.validate(CourseTemplateServiceImpl.java:63)
com.knowledgenet.lms.presentation.web.semester.AddCourseTemplateController.validateTemplateWithSchema(AddCourseTemplateController.java:90)
com.knowledgenet.lms.presentation.web.semester.AddCourseTemplateController.onBindAndValidate(AddCourseTemplateController.java:72)
org.springframework.web.servlet.mvc.BaseCommandController.bindAndValidate(BaseCommandController.java:375)
org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:248)
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:44)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:723)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:663)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:394)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:358)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
com.knowledgenet.lms.presentation.web.common.DispatcherServlet.service(DispatcherServlet.java:21)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
sun.reflect.GeneratedMethodAccessor99.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:239)
java.security.AccessController.doPrivileged(Native Method)
javax.security.auth.Subject.doAsPrivileged(Unknown Source)
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:268)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:157)
java.security.AccessController.doPrivileged(Native Method)
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)
sun.reflect.GeneratedMethodAccessor124.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:239)
java.security.AccessController.doPrivileged(Native Method)
javax.security.auth.Subject.doAsPrivileged(Unknown Source)
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:268)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:213)
java.security.AccessController.doPrivileged(Native Method)
org.mv5.lms.ui.intercepts.WorkFlowInterceptManager.doFilter(WorkFlowInterceptManager.java:99)
sun.reflect.GeneratedMethodAccessor104.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:239)
java.security.AccessController.doPrivileged(Native Method)
javax.security.auth.Subject.doAsPrivileged(Unknown Source)
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:268)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:213)
java.security.AccessController.doPrivileged(Native Method)
com.netg.survey.web.LocalizationFilter.doFilter(LocalizationFilter.java:83)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:239)
java.security.AccessController.doPrivileged(Native Method)
javax.security.auth.Subject.doAsPrivileged(Unknown Source)
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:268)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:213)



Could you please give an hint why i am getting this error...? Any help will be greatly appreciated
[ October 11, 2007: Message edited by: test sf ]