instantiation - Java天堂

转：关于我使用spring mvc框架做文件上传时遇到的问题

2021-12-16 Java exception, instantiation, mvc, nested, spring, 框架发表评论

昨天尝试着用spring mvc框架做文件上传，犯了挺多不该犯的毛病问题1： org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.ClassCastException: org.apache.catalina.connector.RequestFacade 程序刚一运行访问就抛出了上面的类型转换异常信息，根据提示信息，找到了导致该异常的代码行： MultipartHttpServletRequest multi…

The Java Memory Model

2019-05-14 Java compiler, instantiation, java, locking, optimization, reference 发表评论

The Java Memory Model This web page is a starting point for discussions of and information concerning the Java Memory Model (Chapter 17 of the Java Language Specification). The Java Memory Model defines how threads interact through memory. It used to be somewhat unclear and unnecessarily limiting, and so was revised. This is a reference page for that revision. The offic…