Springboot cannot find class exception resolution

Springboot class exception resolution not found

Problem Description: The project is a maven+springboot project, running normally in eclipse, no problem, but when you edit with idea can not start at all, error a lot of, such as can't find HttpServletRequest class, No hibernate classes were found, and the Tomcat initialization class was not found, and so the exotic problems. specifically see below:

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Solved for a long time did not find the reason, online search a lot of did not really solve the problem.

inadvertently see a blog post, said the problem, a moment suddenly dawned, this is not dependent on the wrong, is the difference between the compiler, this may be an idea of a bug, when using Spring-boot, if the introduction of a dependency set to provided, The corresponding class will not be found when the IntelliJ is started. Therefore, this configuration is required at this time (<scope>provided</scope >) take it off and then it's OK. It turns out that it is OK to pack without adding the provided attribute. For a long time, alas, record it. Share with June.

Springboot cannot find class exception resolution