Event Driven Microservices using Spring Boot | Full In-depth Course

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An event-driven architecture uses events to trigger and communicate between decoupled services and is common in modern applications built with microservices. An event is a change in state, or an update, like an item being placed in a shopping cart on an e-commerce website.
Github CQRS: github.com/sha...
Github SAGA: github.com/sha...
Axon Download Page: axoniq.io/down...
Event Sourcing: axoniq.io/reso...
RECOMMENDED COURSES
---------------------------------------------------------------------------------------------------------
► Microservices using SpringBoot | Full Example - • Microservices using Sp...
► Event Driven Microservices with CQRS Design Pattern - • Implement CQRS Design ...
► Implement SAGA Design Pattern using Spring boot and Axon Framework - • Implement SAGA Design ...
► Spring Data JPA Tutorial | Full In-depth Course - • Spring Data JPA Tutori...
► Deploy Springboot Microservices to Kubernetes Cluster - • Deploy Springboot Micr...
► Automate Microservices deployment with Github Actions - • GitHub Actions Tutoria...
► Go / Golang Full Course for Beginners - • Golang Tutorial for Be...
► Node JS Full Course for Beginners: Learn in 2 Hours - • Node JS Full Course fo...
► Express.js Tutorial - Beginner | 2021 - • Express.js Tutorial - ...
► Redis CLI Tutorial | Complete Course - • Redis CLI Tutorial | C...
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Building Microservices(Kindle) : amzn.to/3gsA1jL
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#Springboot #EventDriven #Microservices #DailyCodeBuffer #Saga #CQRS

[@HaniDaddy]

Awesome course bro!! Really looking forward to seeing some course that uses Kafka as well. I am following your courses for a long time, everything was explained in an easy to understand manner, please make some courses on Front-end as well most preferably with Angular. It helps lots of Full stack developers to improve their skills.

[@qaisarabbas2488]

I am going to subscribe this particular channel😂

[@DailyCodeBuffer]

Thanks 🙏

[@SlBoss14]

Sahi pakde hai...

[@DailyCodeBuffer]

Want to LEARN In depth about Microserviecs? Head over to www.dailycodebuffer.in/s/store/courses/description/Microservices-with-Spring-Boot and use Coupon Code DCB40 to get 40% off on the Microservices with Springboot Course.

[@qaisarabbas2488]

Please change the word particular to another word 😁

[@AhmedMkhinini]

thks for the course Bro. @Daily Code Buffer Got 2 questions though. 1- would it be possible to use rabbitMQ instead of the event source and handler 2- Spring already allow to easily publish and handle domain events while working with aggregate. whats the point of using axon plz

[@smershad-ulislam7857]

Its so beautiful BRILLIANT and full of passion and integrity that its one out of millions quality work in microservices understanding that like us who are very naïve and new in this field, find it sky high inspiring to become able to take control on the reverse mechanism of the microservices when a single microservice fails to let all the other microservices need to take care of integrity of data and states of the objects. Heartful of thanks and wishes for you Shabbir Dawoodi, you are just a GENIUS!

[@DailyCodeBuffer]

🙏🏻🙏🏻

[@garetts8156]

My favourite instructor strikes again! Thanks a lot!👏

[@DailyCodeBuffer]

Thanks man 🙏

[@funcoding1797]

I couldn't finish this video without writing this comment😁😁😃 your teaching skill is number ONE , Thanks bro

[@DailyCodeBuffer]

Thanks 🙏

[@kumarsaroj18]

mere chote bhai... bahut bahut dhanyawad.... You inspire me a lot, I had been looking for content rich video on this topic... Keep creating such awesome tech contents...

[@manognajoshik8465]

God bless you Shabbir!! We are getting awesome content from you free of cost!! You are a gem

[@DailyCodeBuffer]

Thank you so much 🙏🏻🙏🏻

[@junioryao3458]

hello , I really like your video , but What I would if you can , is to show how you find and understand the documentation if possible , ( as well as some demo for spring cloud AWS ) thanks , I really like your content BIG UP👍

[@afjungle]

How I wish I could smash the like button a million times 🙂, Thanks a million, bro, for all these great videos you are giving us for free. God bless !!!

[@DailyCodeBuffer]

Thanks 🙏🏻

[@naveenbingi933]

You make things simple and easy to understand. Thank you for your help & time

[@chessmaster856]

Great work. Demoing work is what most people would shy away

[@aliksargsyan2782]

Every time I'm amazed by your content brother. Keep going you are doing great. Awesome. Thanks for everything

[@DailyCodeBuffer]

🙏🏻🙏🏻🙏🏻

[@theresapan6128]

Great videos! Very nice pace and clear explanation. Thank you very much for making this awesome course!

[@guillermofernandezraboso6403]

Fantastic course and really well explained man! Just to leave it requested, it would be great if you could expand the course with Spring Cloud, centralized logging and circuit breaker tools. Also, I would love to see how you managed the notification service and the rest of the missing compensations. Anyhow, you are the best! Thanks a lot!!

[@DailyCodeBuffer]

Thanks 🙏🏻

[@qaisarabbas2488]

This is an amazing guy I like your videos & teaching style. Keep it up, Love from Pakistan

[@DailyCodeBuffer]

Thanks 🙏

[@drakezen]

Great explanation, keep up your awesome work! looking forward to the next video

[@DailyCodeBuffer]

Hope you enjoy the tutorial 🙏

[@rajendrakashi]

Very informative and practical. I learnt a lot. thank you.

[@DailyCodeBuffer]

Glad it was helpful!

[@foruvasanth]

Great work!! It will be helpful if you can add breakdown of the topics in description...

[@updownftw]

Hi Shabbir, the CQRS example you took is sharing the same database. Isn't the whole point of CQRS is to make the applications loosely coupled? How do I connect my command and query databases and make sure they are in sync?

[@arturtyan93]

nice course, very helpful if you didn't face with event driven microservices architecture

[@t1mt0m97]

Great course ..Was able to code along and complete it.

[@salobhikhan]

a good practical guide for CQRS and Saga

[@omongecalvince4701]

what a content to help cover microservice . This is awesome

[@DailyCodeBuffer]

Thanks 🙏. Glad you enjoyed the tutorial

[@ernestalexanderkasper5109]

Love the videos. Keep up the good work man. Really love your microservice videos.

[@DailyCodeBuffer]

Thanks a lot ☺️

[@kishoremaroju2720]

Hats off to your efforts, keep rocking as always🤝

[@DailyCodeBuffer]

Thanks brother 🙏

[@panndey]

You have really nailed it . good job .Keep up the good work

[@DailyCodeBuffer]

Thanks 🙏

[@sachinraykar8121]

Great explanation 👍 Keep going for more these kind of technical videos.

[@DailyCodeBuffer]

Thanks 🙏

[@ThaileangSung]

Awesome! Your tutorial is very practical, which I like.

[@DailyCodeBuffer]

Thanks 🙏🏻

[@sibonelongobese8639]

Amazing content brother. Keep going!

[@DailyCodeBuffer]

Thanks 🙏

[@naeembilal]

This is not event driven but a very good example of event sourcing, my point of view this is too early as event sourcing should be part of some framework so the developers should focus on the key work they assigned, may be an annotation on the Controller or Spring configuration also tracing needs to be incorporated to link the events in the multithreaded environment, which leads to another problem of single point of failure, unless you have event server backed by the load balancer but then due to stateless affect sequence of sates will be present of different server and become bigger issues to playback the sequence of simple events say customer placed the orders and before the order process triggered how many events have been sourced.

[@johnastle77]

You have consumed all the available word "particular" in the world.

[@DailyCodeBuffer]

😜

[@SohailKhan-gu2du]

Bro.. You are awesome, keep producing such awesome content ♥️, plz cover topics like Kafka and redis also in a large production grade project Anywho, I know it takes time ♥️.. But you are awesome bhia ♥️

[@DailyCodeBuffer]

❤️👍

[@PremanandJiKeertan]

You are doing the great job buddy 👍❤️

[@DailyCodeBuffer]

Thanks 🙏

[@carpediem9407]

Your voice is so nice 💯. I really enjoyed the session

[@DailyCodeBuffer]

Thanks 🙏

[@gaflettenkurtul]

thanks for this particular course 👍

[@krishnamurthysuripka6774]

Excellent Explanation Bro..

[@DailyCodeBuffer]

Thanks 🙏

[@kvsm123]

Very useful course.

[@DailyCodeBuffer]

Thanks 👍

[@Deepakumari-io4nt]

Hi ji plz put mainly for Apache camel with java springboot full video. Iam early waiting to learn from you this plz. Bcz u taught me more abt springbbot microservices clearly and now got placed in branded company. Thanks

[@kiranmayispecial]

Awesome tutorial ever seen..Thanks for such a great one.Could you pls make video on Spring cloud contract for contract testing as well? It would be very helpful..Thanks

[@updownftw]

Hi Shabbir, when we are handling exceptions in the event. How does it reverts the data entry, (where we already saved the product) as well ?

[@MultiSudd]

Hey, Current axon framework version is 4.5.8. As per your instructions, I've used 4.5.3. But i'm getting the error as follows "Error creating bean with name 'entityManagerFactory': If I use 4.5.8 version, i'm getting the User object as NULL from Userservice. Not sure how to fix this. please help me.

[@MultiSudd]

Btw, I got it worked. I used the axon framework as 4.5.3. I need to change the spring boot version as well. I used the same version as you have used. It is now working fine for me. Thanks for the video.

[@Why_Zed]

Thank you

[@Proman.Offbeat.Traveller]

Nice video bhai ❤❤ very good information you have shared ❤ now you have earned a new subscriber.. ❤

[@tejabtitare5169]

Hands on it guru. 👏🙏🙏

[@VishnuPrasad-dm3iq]

Awesome Event driven Explanation.. Can you please integrate with Kafka ..?

[@DailyCodeBuffer]

Thanks 🙏🏻

[@saravana_ceg]

Thanks for the lecture

[@DailyCodeBuffer]

Most welcome!

[@MRXMrx-gg2xi]

I don't understand the write side of CQRS, if we have two database (write and read db) and would like to save an domain object in read database where should we persist it? in command handler? Because you only update the read database by event handler, right?

[@raghupathibanoth4622]

This channel 5/5

[@DailyCodeBuffer]

🙏🏻

[@rodyatube]

Very well explained!

[@DailyCodeBuffer]

Thanks 🙏🏻

[@happy.s1ngh]

Great Tutorial! Do we need to create 4 different services for SAGA? Can we create all the 4 services as packages in the same service? Also is it a good idea to follow SAGA & CQRS only for order, payment & shipment services and use only simple MVC pattern for all the other CRUD operations of User, Address, Business, etc tables?

[@ramprasath5054]

You are too good bro...

[@DailyCodeBuffer]

Just sharing what I have learned from the community 🙏🙏

[@RaveKev]

Thank you for that great Video. Would be great if you would add timestamps to the different chapters

[@nithinkumar3712]

How do you accessed common services class into other services?... What's are dependency?

[@DailyCodeBuffer]

Just the common service dependency

[@user-mq2tr5xp4w]

How to implement a rollback in the microservice in the event that one of the services fails. What should be done about failed transactions that affect every microservice? Would you kindly provide advice or a video on how to handle rollbacks for each microservice's transaction?

[@saravana_ceg]

Good leacture

[@sushantkumar2631]

Thank you brother ......for your efforts

[@DailyCodeBuffer]

Hope you enjoy the tutorial 🙏

[@sheebaashraf]

Excellent Content!!

[@DailyCodeBuffer]

Thanks 🙏

[@Mohamed-uf5jh]

Good job and good explain thanks sir !

[@KehindeAdeoya]

Your tutorial is 🤩 . I learnt through it, but ran into an issue. Could you help figure out what is wrong? Cannot invoke "model.User.getCardDetail()" because "user" is null

[@ramasamyramasamy2423]

You are doing awesome....🤙🤜🤛...

[@DailyCodeBuffer]

Thanks 🙏🏻

[@utkarshdevgan6199]

what happened after 2:54:03 ?? I am getting user null still

[@jasper5016]

Hi Shabbir, do you suggest using frameworks like Camunda, and Axon or writing everything manually ?

[@abulsyed4851]

Hi, would you recommend using Axon for CQRS or write it manually?

[@DailyCodeBuffer]

If it is feasible, why to reinvent the wheel But you can do manually as well without any frameworks Mainly dependent on projects

[@elyu_vibes]

Looks great! I’m still halfway of the video. Would you mind to share your IDE theme and settings? Looks pretty neat

[@DailyCodeBuffer]

Thanks 🙏 Using Xcode dark theme

[@malyadrichennupati7389]

plz do one video on intellj id shhirtcuts

[@manikantar1247]

Hi bro, can you please make videos on oauth it will be more useful for us

[@sreevanisadhu4179]

Getting below error while starting application Description: Parameter 0 of constructor in com.dailycodebuffer.ProductService.command.api.controller.ProductCommandController required a bean of type 'org.axonframework.commandhandling.gateway.CommandGateway' that could not be found. Action: Consider defining a bean of type 'org.axonframework.commandhandling.gateway.CommandGateway' in your configuration. How to resolve ?

[@abulsyed4851]

Have you worked on client projects that were built using CQRS architecture? Just curious how popular this is, in industry.

[@teferiheye9834]

Thanks!

[@1anku]

Great Job ! Just want to understand how have you decided to go for Axon and why not Eventuate tram , Any advantages /disadvantages or comparison

[@arinbose6366]

Good work!

[@DailyCodeBuffer]

Thanks

[@nguyenquan4836]

Thank you so much!!!

[@diwakar.singh_official]

Hello Brother, Please make a video on micronaut with reactive stack. Very rare contents(good) available on this topic.

[@aplusphilic]

Great content, well explained. BTW what IDE theme are you using? Looks neat

[@DailyCodeBuffer]

Thanks 🙏 Xcode dark

[@mkannouch9]

Excellent presentation as always. Is it possible to share with us your google slides? thank you in advance

[@DailyCodeBuffer]

Yes, I will add in the Description

[@mkannouch9]

@@DailyCodeBuffer Thank you

[@mrrolex7044]

hi sir...im from bangladesh... sir please make this course in hindi too...respect from bangladesh 👏🇧🇩

[@yravi37]

Thanks a lot brother.

[@DailyCodeBuffer]

Hope you enjoyed the tutorial 🙏

[@arioafrashteh6767]

Thanks but, about the exception handling: 1- Your error message is so general 58:07 2- Your banana sample is fine why you put an exception after the save method! 59:09 if this is just a sample of exception handling it's confusing.

[@DailyCodeBuffer]

Sorry for the confusion I will try to be precise from new videos Thank you so much for feedback 🙏🏻🙏🏻

[@fernandoaugustogabrieloliv1445]

Awesome course bro!! What are your intelliJ theme and font type? really like it!

[@DailyCodeBuffer]

Thanks 🙏🏻 Xcode Dark theme Monaco font

[@essamal-mansouri2689]

It looks great but I realllyyyyy don't feel like adding axon framework as a dependency.

[@Talaria.School]

Uncle Roger loves this widjo.

[@abdelghafourboufenzi213]

it makes no sense to have 200 as a response of the postMapping when having an exception in your example starting from 1:01:00, it should be a 400 with a response message, i tried to use controllerAdvice with your example but it doesn't work, i'm getting some weird response and also the postMapping get's executed immediatly when running the application

[@aviator9728]

Simply best

[@DailyCodeBuffer]

Thanks 🙏

[@masterinJava1611]

Error : "OUT_OF_RANGE: [AXONIQ-2000] Invalid sequence number 0 for aggregate 0, expected 1"

[@ramasamyramasamy2423]

after finishing of the transaction, agreed with the exception thrown and the record is not saved. But if I stop and restart the springboot, the "on" method is automatically called. Anyhow its not saved but how to avoid the calling of the "on" method in event handler. Or how to delete the event of the save of "Apple" record from axon ?

[@mahendranath2504]

Thank you 👍🏼🎉🙏⭐❤️ subscribed

[@DailyCodeBuffer]

🙏

[@SmileKaroYaar]

im getting this error - "Driver com.mysql.cj.jdbc.Driver claims to not accept jdbcUrl, jdbc:h2:file:~/data/productDB" please help, do i need to have H2 database account or i tried changing the properties for mysql db but no use.

[@smooth8580]

change the file path to jdbc:h2:file:~/data/orderDB orderDb instead of productDB

[@20M_Target_1.0]

I would like to know the purpose rather than learning, I am still not getting why we use cqrs ..

[@subramanyamanand1460]

Your great bro thank you so much

[@DailyCodeBuffer]

Thanks 🙏

[@deepaksolanki1972]

Awsome content Bro !! It will be helpful if you can share the ppt or pdf file for this. Thank you!

[@thiyamybabygirl2144]

Can you please do spring security complete course

[@vivekguptacs]

1:03:28 in cqrs pattern. When u tried to save apple. I can see 200 code on postman ideally it should be 400 or 500. How will you handle this? Please explain.

[@mertkaraman06]

good video as always! please add english sub. thanks for great content

[@DailyCodeBuffer]

Thanks 🙏

[@javokhirbuvanazarov9112]

From where did you get userId, addressId, productId while doing POST method on "/orders" endpoint ? Can you please help ?

[@neerajrawat17]

I am getting below error Request bean is currently in creation: Is there an unresolvable circular reference? ..Any idea? Thanks a lot.. Keep it up 👍👍

[@patrik1389]

thank you

[@DailyCodeBuffer]

🙏🏻

[@mklueh]

Really interesting and well explained, but hard to listen when every second word is "particular" :(

[@DailyCodeBuffer]

Thanks for the suggestion 🙏 I will try to improve on thise areas. Thanks for supporting

[@thiyamybabygirl2144]

@@DailyCodeBuffer I think she is appreciating because your each and every word is important

[@danjanuspineda4330]

hey can you make one for securing the microservices using jwt?

[@badmannigt8624]

Please can You actívate the autogerated subtitles english in youtube

[@govindgupta290]

Hey Shabbir , is this video related to Stream API?

[@kenseifeitan4663]

can you do another one but using kafka thanks