public Wcrash getWcrashInfo(int id) { String sql = "select plateform_id,android_version,app_version_code,app_version_name,device_id," + "model,brand,product,stack_trace,crash_date,package_name from wcrash where id = ? "; return this.jd…

两种方案: 用queryForList方法替换queryForObject或者queryForMap,因为这两个方法必须要有值,不能为空. 把这个异常捕获,用try/catch. 这个查询的结果是null,没有数据所以就提示acual 为0.而查询的时候是期望查询有结果有记录,并且记录数是1. spring 这个查询中没有查询到数据就报错.解决方案就是要查询有结果,或者换一种查询方式.…

Caused by: java.lang.ClassNotFoundException: org.springframework.dao.DataIntegrityViolationException     at java.net.URLClassLoader$1.run(Unknown Source)     at java.security.AccessController.doPrivileged(Native Method)     at java.net.URLClassLoader…

数据库用的hibernate,开发工具用的myeclipse,使用开发工具连接数据库生成hibernate基于xml的po类,运行时报org.springframework.dao.DataIntegrityViolationException 并且提示某个字段  not—null: 解决,查看了数据库字段类型为number类型,将生成的po对应字段改写成Integer类型,原因:开发工具生成的类型,与数据库number类型对象,但是如果数据是0会被过滤, 而Integer数据int的包装类型,…

org.springframework.dao.InvalidDataAccessApiUsageException: Write operations are not allowed in read-only mode (FlushMode.NEVER) - turn your Session into FlushMode.AUTO or remove 'readOnly' marker from transaction definition 解决办法: 在执行service中一个方法bume…

题记:以前记录过一些自己遇到的BUG,这个行为,让我一看报错的提示信息就能定位到问题的所在,后来记得比较多了,好多是重复性的再加上比较忙就没有详细的记录了,今天的工作量比较小,就顺便记录一下,以便以后更快的解决此类问题. BUG的报错信息如下所示: org.springframework.dao.InvalidDataAccessApiUsageException: Parameter value [41] did not match expected type [java.lang.Integ…

异常信息: org.springframework.dao.InvalidDataAccessApiUsageException: The given object has a null identifier: com.blog.entity.PersonalizedSettings; nested exception is org.hibernate.TransientObjectException: The given object has a null identifier: com.bl…

[spring]:org.springframework.dao.InvalidDataAccessApiUsageException: Write operations are not allowed in read-only mode org.springframework.dao.InvalidDataAccessApiUsageException: Write operations are not allowed in read-only mode (FlushMode.NEVER/MA…

报错:org.springframework.dao.InvalidDataAccessApiUsageException: Write operations are not allowed in read-only mode (FlushMode.NEVER/MANUAL): Turn your Session into FlushMode.COMMIT/AUTO or remove 'readOnly' marker from transaction definition. 搞开发的时候碰到…

1.错误信息 org.springframework.dao.InvalidDataAccessApiUsageException: detached entity passed to persist: sys.entity.Role; nested exception is org.hibernate.PersistentObjectException: detached entity passed to persist: sys.entity.Role at org.springframew…