Hi i upgraded the Bi version 1.6 to 3.o in my java web application
when ever im calling to that viewAction calss im getting the errror

java.lang.NoClassDefFoundError: Could not initialize class org.pentaho.repository.HibernateUtil
org.pentaho.repository.runtime.RuntimeRepository.setSession(RuntimeRepository.java:75)
org.pentaho.core.system.PentahoSystem.getRuntimeRepository(PentahoSystem.java:1144)
org.pentaho.core.solution.SolutionEngine.execute(SolutionEngine.java:205)
org.pentaho.core.solution.SolutionEngine.execute(SolutionEngine.java:169)
org.pentaho.core.services.BaseRequestHandler.handleActionRequest(BaseRequestHandler.java:150)
org.pentaho.ui.servlet.ViewAction.handleActionRequest(ViewAction.java:139)
org.pentaho.ui.servlet.ViewAction.doGet(ViewAction.java:261)
javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:413)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:264)
org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
org.acegisecurity.wrapper.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:81)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:217)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
org.acegisecurity.ui.logout.LogoutFilter.doFilter(LogoutFilter.java:108)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:193)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148)
org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)
org.pentaho.core.system.SystemStatusFilter.doFilter(SystemStatusFilter.java:53)






org.pentaho.ui.servlet.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112)

please help me to resolve this issue i am using mysql 5.1 +tomcat