@Async Exception Handling in Spring

If your Java project has a private Maven repository, or you have multiple Maven repositories, you need to additionally set up the repository info, otherwise you won't successfully get the dependencies or plugins, and see the following error message: Could not find artifact xxxx in central(https://repo.maven.apache.

@Validated @Valid mark a member attribute for validation ✖️ ✅ group-level validation ✅ ️ ✖️ mark request parameter for validation ✅ ✅ Example 1 Example 2 This note borrows code from Differences in @Valid and @Validated Annotations in Spring

Sometimes you would see such warning msg like the above in your Intellij, this means you need to handle the exception: add exception to method signature, or surround with try/catch. But why you can throw some exceptions without these handling, and why you can't throw some? The key is