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Spring simple and MongoDB (Finally)

    Finally~~~ I could start a Spring project ~~~~ 3 days ago. 
 
    Following the user's guide is simple. ...... and then difficult. Not to go astray is a difficult task for my curiosity.... My second day fell in the trap of using an external DB and then found my development server was not whitelisted. The third day fell into mysterious naming convention..... Why is it not noted on User's Guide? 
 
    In case Spring 2.3.0 covers up everything (just kidding) or I forget everything while moving on, I keep a note here. 
 
  • Building an Application with Spring Boot
https://spring.io/guides/gs/spring-boot/
This “quick start” was not well designed, but provides a more comprehend snapshot of Spring Boot full stack development. Only when I encountered various issues then I found this is a saviour. 
 
  • Accessing MongoDB Data with REST
https://spring.io/guides/gs/accessing-mongodb-data-rest/
 
 
  • No property found for type… custom Spring Data repository
https://stackoverflow.com/questions/41467894/no-property-found-for-type-custom-spring-data-repository
The post saved my life(?!). Naming convention. Maybe I found this post very early, but just didn’t believe it. Until I can’t find anything help resolving linking error (or spring mvc fail to create), why not trying “change names”
 
  • Spring Data Composable Repositories
https://www.baeldung.com/spring-data-composable-repositories
This site seems new but introduces many practical concepts, although its same code is fragment. I guess it is because it also provides paying courses? 
 
  • Spring Data – Add custom method to Repository
https://mkyong.com/spring-data/spring-data-add-custom-method-to-repository/
Great examples. 




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