330553352的专栏

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in file [D:\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\SpringMVC\WEB-INF\classes\applicationContext.xml]: Invocati

如果加入指定日志工具的jar后，报如下错误： java.lang.NoClassDefFoundError: org/apache/log4j/Level     at org.slf4j.LoggerFactory.bind(LoggerFactory.java:121) Caused by: java.lang.ClassNotFoundException:org.apache.log4

org.hibernate.exception.SQLGrammarException: could notinsert: [cn.itcast.oa.domain.User]        atorg.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:92)        atorg.hibernate.

启动Tomcat后，访问JSP时（使用的是MyEclipse自带的Tomcat，是6.0的版本），报错： Caused by: java.lang.LinkageError: loader constraints violated when linking javax/el/ExpressionFactory class at org.apache.jsp.WEB_002dINF.jsp.Us