SpringBoot project setting breakpoint debug debugging invalid how to solve

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Just got in touch with the springboot project

(1) found that breakpoint debug debugging is ineffective, very depressed, online search for solutions.

What I see are some very complicated schemes, which are said to be remote debugging, but also have another slogan to start. This is different from the traditional project, so I don't think it's necessary.

So after groping, I found a simpler way, and the steps are as follows:

Add a paragraph of configuration to the plugin section of the pom file:

False

So it's ok.

(2) with regard to the problem of error reporting web.xml file is missing in SpringBoot project, because traditional web project requires web.xml file, but SpringBoot project does not need web.xml file, but the mechanism of web project is to retrieve whether there is a web.xml file in the project, so at this time, his SpringBoot project will mistakenly report that there is no problem with web.xml file, so the solution is:

Add a paragraph of configuration to the plugin section of the pom file:

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