寒沨的博客

Type Exception Report Message Request processing failed; nested exception is java.lang.NullPointerException Description The server encountered an unexpected condition that prevented it from fulfilli

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.dao.TransientDataAccessResourceException: ### Error updating database. Cause:

Type Exception Report Message Request processing failed; nested exception is org.springframework.dao.DataIntegrityViolationException: Description The server encountered an unexpected condition that

Type Exception Report Message Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Error invoking

HTTP Status 400 – Bad RequestType Status ReportDescription The server cannot or will not process the request due to something that is perceived to be a client error (e.g., malformed request syntax, in...

在python3报错，将iteritems改为items即可iteritems是为python2环境中dict的函数

将 Preferences > XML > XML Files > Validation中"Honour all XML schema locations"前的对号去掉。它将禁用指向不同schema位置相同命名空间引用的验证，仅以第一次找到的可验证的XML文件为结果。...