MongoDB Insert value to the DB from Java

Question

Currently, can not put "insertOne" due to maybe current jar. *I am using "mongo-java-driver-3.12.2.jar" on IntelliJ.

Would you mind telling me what jar file does include "insertOne" ?

What I'm trying to do is below.

    MongoClientURI uri = new MongoClientURI(
                    "mongodb+srv://xxxx");

            try(MongoClient mongoClient = new MongoClient(uri)){
                MongoDatabase database = mongoClient.getDatabase("test");
                MongoCollection<Document> collection = database.getCollection("test");
                Document query = new Document("_id", new ObjectId("objectID xxxx"));
                Document result = collection.find(query).iterator().next();

                Document test = new Document("_id","ObjectID xxxx");
                test.append("test4","test is 4");
                query.insertOne(test);  --> Currently the "insertOne" is not recognized..


                System.out.println("Test3: "+result.getString("test3"));

You are trying to perform an insertOne on a Document object. That doesn't make sense. You insert on a MongoCollection. See the guide here: mongodb.github.io/mongo-java-driver/3.4/driver/getting-started/… — Christopher Schneider
– Christopher Schneider, Commented Mar 12, 2020 at 16:07
Thank you very much! I could not find that. In terms of "Collection.insertOne", this is used in case of adding. what about updating the existing one? I could not find that description. — mufugu
– mufugu, Commented Mar 12, 2020 at 18:17
Here are some tutorials for doing CRUD (create, read, update and delete) operations using the Java and MongoDB: Quick Start: Java and MongoDB. — prasad_
– prasad_, Commented Mar 13, 2020 at 1:14

Bart van Oort · Accepted Answer · 2020-03-12 16:13:22Z

2

I see you're trying to do query.insertOne(test), but you defined query as being a Document. However, the insertOne method is defined on a MongoCollection, not on a Document, see the documentation

Instead, try: collection.insertOne(test)

answered Mar 12, 2020 at 16:13

Bart van Oort

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1 Comment

mufugu Over a year ago

Thank you, I could not find what you attached. Now I got it !

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