could not execute query; nested exception is org.hibernate.e

org.hibernate.exception.SQLGrammarException:could not execut org.hibernate.HibernateException: Could not find datasource org.hibernate.HibernateException:createCriteria is not valid Could not parse multipart servlet request; nested exception Exception in thread "main" org.hibernate.HibernateException: org.hibernate.mappingException:Could not read mappings from org.hibernate.Session是什么 这就句英文的意思：could not execute menu item? org.hibernate.hql.ast.QuerySyntaxException:3Q javax.persistence.PersistenceException: org.hibernate.except org.hibernate.hql.ast.QuerySyntaxException: expecting OPEN, org.hibernate.hql.ast.QuerySyntaxException:, found '>' near