org.hibernate.exception.ConstraintViolationException

1.错误描述 type Exception report message Could not execute JDBC batch update; nested exception is org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update description The server encountered an internal error that prevente

报错原由于xxx.hbm.xml文件里的主键类型设置有问题: 当我们的数据库表没实用自增长的int型id.而用的varchar就可能报上面的错误, 假设,主键的生成类型设置为identity或者native的时候底层数据库会自己主动生成一个long,short或者是int,假设ID设计的是用String,数据库就无法插入的,所以假设你的数据库的ID设计的是用String型的,最好是用assigned. 比如: <id name="userId" type="java.l

1.错误描述 [ERROR:]2015-05-05 09:27:12,090 [插入失败] org.hibernate.exception.JDBCConnectionException: Could not open connection at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:132) at org.hibernate.exce

1.错误描述 exception is org.hibernate.exception.DataException: error executing work at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingM

1.错误描述 org.hibernate.exception.GenericJDBCException: Could not open connection at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.conver

org.hibernate.exception.SQLGrammarException: Could not execute JDBC batch update org.hibernate.exception.SQLGrammarException: Could not execute JDBC batch update,码迷,mamicode.com org.hibernate.exception.SQLGrammarException: Could not execute JDBC batc

现场的weblogic报错,导致数据无法下发,报错信息如下: ### Error opening session.  Cause: org.hibernate.exception.GenericJDBCException: Connection closed ### Cause: org.hibernate.exception.GenericJDBCException: Connection closed com.gg.corm.exceptions.PersistenceException:

异常:org.hibernate.exception.GenericJDBCException 提示:Cannot open connection 提示:不能打开链接 一般这个异常是由 java.sql.SQLException 这个异常引发的 提示是 ORA-01017: invalid username/password; logon denied 也就是hibernate的配置文件用户名或密码错误导致的

今天在编码的时候遇到了 Exception occurred during processing request: could not extract ResultSet; SQL [n/a]; nested exception is org.hibernate.exception.SQLGrammarException: could not extract ResultSet这个问题,也是找了老半天不懂什么原因,后来找了好多论坛,总结了一下,只要出现了sql的问题,基本都是bean或者XXX.