Request Validation in Spring boot using Annotation with Global Exception Handling | Code Decode

In this code decode video, we've illustrated global exception handling in a Spring Boot application, emphasizing how it integrates with request validation.
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Request validation in Spring Boot ensures incoming data adheres to defined constraints, using annotations like @RequestParam, @PathVariable, and @RequestBody. For instance, you can validate a POST request's JSON payload with a DTO class annotated with @Valid and validation annotations. This ensures that data is properly formatted and meets your criteria. For global exception handling, you create a component annotated with @ControllerAdvice and use @ExceptionHandler to capture and handle exceptions. For example, you can create a method to handle validation errors like MethodArgumentNotValidException and another to manage generic exceptions. This centralized approach keeps your application robust and user-friendly, providing consistent error responses while ensuring it doesn't crash unexpectedly.
Request validation in Spring Boot is a fundamental aspect of building robust and secure web applications. It ensures that incoming data adheres to defined constraints, using validation annotations like `@Valid` and `@NotNull`. This practice helps maintain data integrity and the overall health of your application. When you handle validation errors in Spring Boot, you utilize `@ExceptionHandler` annotations to gracefully deal with issues like `MethodArgumentNotValidException` and keep your codebase clean and organized. This combination of validated annotation in Spring Boot and global exception handling ensures a consistent and user-friendly approach to handling unexpected issues. It's essential to integrate spring boot validation seamlessly into your application to provide clear responses to clients and prevent crashes. In summary, request validation in Spring Boot, empowered by the validated annotation in Spring Boot and global exception handling, enhances your application's reliability and user experience while keeping your codebase well-structured and manageable.
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[@tamojitdutta993]

your voice is very soothing love ur videos. Cleared my interview at mastercard after watching your interview series and the udemy course it was very helpful thanks for it🙏🙏... aapka bahut bahut dhanyawad

[@CodeDecode]

Thanks a lot and many many congratulations on landing at mastercard . Great job 👏👏 keep learning keep shining 🌟🌟

[@utkarshrazzz9964]

Hey Tamojit, It will be very helpful and so kind of you if you will let me know what all they asked in the interview of mastercard and what experience level you are at currently !

[@MohammadAbdulRahaman-b3c]

keep doing this type of video mam we always support it if there is a good content

[@CodeDecode]

Sure 😊😊 thanks 👍

[@akashsaha9366]

Thanks for this clear exception handling. 👍

[@CodeDecode]

you're welcome

[@vishaldhamde2013]

Very nice video.... Although I knew it but it was a good revision for me. Yes please make a video on custom validation as well. Thank you! 😊

[@shubhamkumar-gw4vb]

Want a video where I can send a list of errors in the request payload handled globally, with proper error codes.
Btw informative video ,thanks.

[@CodeDecode]

Send from front end? Why do you want that? Any specific requirement?

[@sayanbiswas8847]

Again one more important topic . Thanks a lot team. 😊

[@CodeDecode]

Thanks Sayan 😊😊

[@nenuanenenuane6645]

Helpful video
Thank you!
Plz make vedio on react and springboot fullstack integration

[@CodeDecode]

Sure we will create it soon

[@drumstick_farming]

Thank you...
Please upload more videos like this

[@CodeDecode]

Thanks sure 👍

[@nikhilsai1351]

Very much productive

[@CodeDecode]

Thanks 😊😊

[@shwetaharle6813]

Mam..plz make one video on DTO Vs DAO.. In which case we need to use DTO layer? ... Your all videos are very helpful ..Thank you 😊

[@LelouchTheFirst1]

Excellent explanation! Btw mam, do you have any course with real time project implementation for backend ? I am looking to understand the project flow and how to handle different modules for realtime requirements.

[@CodeDecode]

Please refer below link for Udemy course
Udemy Course of Code Decode on Microservice k8s AWS CICD link:
openinapp.co/udemycourse

[@LelouchTheFirst1]

@@CodeDecode thank you !

[@abhijeetbagde1597]

Thank you Mam!

[@CodeDecode]

Most welcome 😊

[@prakashbtw678]

Thanks. Possible please do one dwmo about role based authentication and navigate to the endpoint based on the role.

[@CodeDecode]

Nice topic. Sure will do 👍👍

[@prakashbtw678]

@@CodeDecode thank you

[@souravkumar1608]

Since hibernate is merged with JPA, I don’t think explicitly we have to add hibernate validator. also package name has changed to javax, we can see in imports now.

[@sundaraV-k8l]

Hi, Please clarify that @Controlleradvice will handle errors at controller or service layer?, whether do we need to use try and catch to handle or with throw exception will work.

[@CodeDecode]

Any layer. You don't need to put try catch at any layer

[@huynhthanhliem11x13]

thanks

[@CodeDecode]

You’re welcome

[@rzk_md]

Hi,
can you please make a video of creating a complex requestbody for PostMapping like
class FinalPayload{
Employee employee;
Address address;
BankInfo bankInfo;
}

[@bhanuteja9545]

Can you create a video on micro service call with messaageing

[@vasanthialokam1135]

can you make a video using jakarta

[@CodeDecode]

ruclips.net/video/BWaQFX79vO8/видео.html
Can you check this once?

[@vasanthialokam1135]

@@CodeDecode yes I do checked, but I need a complete video on Request validation with globalException handling using Jakarta. can you help me on this?

[@1OutOfOne]

en.wikipedia.org/wiki/At_sign#:~:text=In%20contemporary%20English%20usage%2C%20%40%20is,or%20at%20the%20price%20of. Learned today that the "at" symbol, @, is called "at the rate" in India.

[@CodeDecode]

Yeah I used to use this extensively few decades back in my mathematics classes !!
Nice catch I will try to fix this
But few things learnt in school remains with us life long !! 😊😊