异常堆栈 org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:94) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.…
报错:Exception in thread "main" org.hibernate.exception.SQLGrammarException: Could not execute JDBC batch update 解决方法,把数据库方言MySQLInnoDBDialect改成MySQLDialect就可以了.…
使用hibernate更新数据时,报错 Struts has detected an unhandled exception: Messages: a different object with the same identifier value was already associated with the session: [com.elec.domain.ElecCommonMsg#297e35035c28c368015c28c3e6780001] a different object w…
报错: django.core.exceptions.ImproperlyConfigured: Requested setting DEFAULT_INDEX_TABLESPACE, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing setting…