[GitHub] [skywalking] zifeihan commented on issue #5817: ClassCastException

[GitBox <gi...@apache.org>]

zifeihan commented on issue #5817:
URL: https://github.com/apache/skywalking/issues/5817#issuecomment-751446913


   That is the problem of spring-boot-devtools. When using spring-boot-devtools, spring uses RestartClassLoader to load the org.springframework.web.bind.annotation.RequestMapping class.
   But the class org.springframework.web.method.HandlerMethod was loaded by AppClassLoader, so the same plugin was loaded with different AgentClassLoader, which resulted in a conversion exception. The spring-boot-devtools package is to implement similar hot deployment functions. I have not yet figured out how to fix this problem. Here is an explanation of this problem. If someone encounters a similar problem, please remove the dependency of spring-boot-devtools.


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