mongodb

问题 I have added login and registration features to a page in my application in views/employee/login.hbs. When I enter in registration details (email, username, password and conf password), I hit the register button to hopefully be redirected to the views/employee/home.hbs page. However, when I complete this action my MongoDB Compass Community database receives the registration details that I have entered successfully but my browser states 'The site cannot be reached' and URL is "localhost:3000

问题 THE app is suppose to register the new user and send the new users info to the MongoDB, but when i attempt to register the user it throws an error of 500 internal error. the console says the error is in the user file, the terminal say this is the error, Proxy error: Could not proxy request /api/users from localhost:3000 to https://localhost:5000. [1] See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (EPROTO). I've already tried changing the proxy in the

问题 I have a collection that looks something like: [ { "_id": 1, "title": "dummy title", "settings": [ { "type": "light", "status": "enabled" }, { "type": "flare", "status": "disabled" }, { "type": "toolbar", "status": "enabled" } ] } ] I wanna fetch it by Id but only with the "enabled" settings and not sure how the aggregation pipeline should look like. I supposed to create the query using mongoTemplate in Java / Kotlin but even just the mongo query would be enough. 回答1: You can do it with a

问题 I'm posting the question here just to be sure I'm not barking on the wrong tree. How to get the number of connections used (and free ) to the MongoDB, but from a client perspective (eg. Java client), using the 4.x driver? There are posts regarding using the serverStatus(Get the number of open connections in mongoDB using java), but it presumes having 'admin' access to the MongoDB. Using a 'regular user'(an db user with lower privileges (e.g access to only one database)) cannot run the

问题 This question already has answers here : Find duplicate records in MongoDB (4 answers) Closed 10 months ago . I have a DB with news articles, and I am trying to do a little DB cleaning. I want to find all duplicate documents, and the best way i think to accomplish this by using the url field. My documents are structured as follows: { _id: author: title: description: url: urlToImage: publishedAt: content: summarization: source_id: } Any help is greatly appreciated 回答1: Assuming a collection

问题 I have a spring boot application , where is deployed on multiple nodes. I want to write a mongo listener inside my spring boot application to do this, as I listen to db events and burst my inmemory cache. The problem is when I write a listener as below, my tomcat startup does not happen at all, only event listener starts: @Component public class MongoListener { @PostConstruct public void listenProduct() { MongoClient mongoClient = new MongoClient(new MongoClientURI("mongodb://localhost:27017"

问题 I'm using docker-compose to create 3 diferent containers for a frontend, backend and mongo instance. the 3 of them are running and connected between them, but I need to create an admin user on DB as soon as the mongo instance is running. According to mongo image documentation every script located on docker-entrypoint-initdb.d should be run after the instance is created. As I already said I'm using docker compose so theres no Dockerfile for mongo, just a service using the official mongo image

问题 I am deploying a mongo-express pod in my kubernetes cluster in order to have a quick view of my db data. I can use mongo-express normally if I do not config basic auth. However, when I add the basic auth configuration to my Deployment yaml file. It has the below error that showing on website directly. Error: Server Error The server encountered a temporary error and could not complete your request. Please try again in 30 seconds. I am using Kubernetes cluster and I use Ingress to expose mongo

问题 I'm developing a web app that uses mongodb database using mongoose in node.js... Now, I'm trying to build the rate feature, in this feature, people can rate the store and give some comments about that store. This is the structure: rate: { author: req.body.author, text: req.body.text } To update it I'm using the "findOneAndUpdate" function, but, Always when i do it, the existent rate is overwritten by the new... Can you guys help me? 回答1: Here you can do. I am just demonstrating with example

问题 I have a mongo collection which has the following document: { _id: ObjectId("5c7ba3c0e30e6132f8b0c4ef"), replies: [ { _id: ObjectId("5c7ba3c0e30e6132f8b0c4ef"), status: 'rejected' } ] } I want to get all replies with status approved so I make the following query: Collection.find({'replies.status': 'approved'}) and yet the document above appears in the results. What am I doing wrong? 回答1: This is a common misunderstanding of the query process. I suspect one of your docs looks like this: { "_id