I have a problem with a request from my springboot application on mongo (docker), while trying to establish authentication on mongoDB (as soon as I turn it off, the application runs correctly).
Docker mongoDb setting :
mongodb-master:
image: mongo:6.0.3
ports:
– “27017:27017”
environment:
MONGO_INITDB_ROOT_USERNAME: USERNAME
MONGO_INITDB_ROOT_PASSWORD: PASS
hostname: mongodb-master

I have a set of data that looks like this:

The REST API must only return certain fields from the collection when the user makes a GET request. I added the @Query filter to the repository class as follows:

im learning how to make a rest api with java Spring and combining it with mongoDB. Im trying to make a simple CRUD with a customer object. For now it is working great, but im having issues with the findById() Method. Since mongoDB creates an _id for me which is a String, how do i use the built in method findById() since it is requiring a long as a parameter. Here is my code for my method.

I have the following service resolver in spring booth app.

I am trying to build the aggregate pipeline and somewhere it is causing an issue. To debug the issue, I’m trying to print the MongoDB query in JSON. Below is the syntax of code and it is causing an issue JSON reader was expecting a value but found ‘Document

Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.

I am following this tutorial Spring Boot MongoDB Pagination example with Spring Data
And I am wondering if there is a way to make the java code generic
So I can use this code for all my collections without the need to create the POJOs’
for example
in the code he is building the Tutorial Pojo: