求助：生产报错

生产环境为集群，修改Initial Capacity参数为10，Maximum Capacity参数为30 均为以前的2倍，修改完以后，重启其中的一台节点报错：那位大哥知道是为什么？
####<Apr 27, 2010 5:59:02 PM GMT+08:00> <Error> <HTTP> <ws01> <MS_NBK01> <[ACTIVE] ExecuteThread: '8' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <> <1272362342797> <BEA-101020> <[weblogic.servlet.internal.WebAppServletContext@36ba36ba - appName: 'netbank', name: 'intelliFramework', context-path: '/intelliFramework'] Servlet failed with Exception
java.lang.ClassCastException: weblogic.jdbc.common.internal.RmiDataSource incompatible with weblogic.rmi.extensions.server.RemoteWrapper
at weblogic.rmi.cluster.BasicReplicaHandler.refreshReplicaList(BasicReplicaHandler.java:513)
at weblogic.rmi.cluster.BasicReplicaHandler.failOver(BasicReplicaHandler.java:206)
at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:257)
at weblogic.jdbc.common.internal.RmiDataSource_922_WLStub.getConnection(Unknown Source)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:113)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:79)
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:523)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:587)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:612)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:644)
at org.springframework.jdbc.object.SqlQuery.execute(SqlQuery.java:112)
at org.springframework.jdbc.object.SqlQuery.execute(SqlQuery.java:122)
at org.springframework.jdbc.object.SqlQuery.execute(SqlQuery.java:137)
at com.longtop.intelliframework.webapp.iwb.security.url.RdbmsFilterInvocationDefinitionSource.getRdbmsEntryHolderList(RdbmsFilterInvocationDefinitionSource.java:142)
at com.longtop.intelliframework.webapp.iwb.security.url.RdbmsFilterInvocationDefinitionSource.getAttributes(RdbmsFilterInvocationDefinitionSource.java:60)
at org.acegisecurity.intercept.AbstractSecurityInterceptor.beforeInvocation(AbstractSecurityInterceptor.java:239)
at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:104)
at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
at org.acegisecurity.wrapper.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:81)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:217)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
at org.acegisecurity.ui.logout.LogoutFilter.doFilter(LogoutFilter.java:106)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:229)
at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148)
at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at com.longtop.intelliweb.common.SetCharacterEncodingFilter.doFilter(Unknown Source)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:63)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3229)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2002)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:1908)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1362)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:181)