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Head's Up! Site maintenance this Wednesday, February 1. Disruptions expected as we migrate the forums.

Forum Posts

About the Drivers & Stacks category

All applications using Neo4j depend on drivers to execute statements to update or query data. Neo4j drivers are mostly built on the binary Bolt protocol. Official drivers exist for Java, JavaScript, .Net, Python, and Go and more. Other languages (R, ...

yolande by Community Team
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Issue with time format

I have a small job that reconciles data in one store with a neo4j graph, everything runs swimmingly on laptop but when I move it to a container for execution I get the below error, does anyone have any ideas on where to start digging into the problem...

Neo4J OGM cache/session strategy in a cluster

Hi, I have a cluster of 4 VPS running on ubuntu (latest v) in the context of a backend serving a RESTful API. 1 Neo4J Db dedicated server 1 Nginx load balancer server 2 nodes containing the same Java+OGM backend code In order to avoid OGM caching di...

Resolved! Issue with Grand Stack Starter

Following the steps for a fresh install yarn create grandstack-app myNewApp neo4j desktop create database, install apoc. upon running yarn run start the SPA loads up on port 3000 but the graphql server doesn't succeed and it throws the error GraphQL...

OGM Not deleting relationship on save()

Hi guys, I'm trying to remove a relationship from an @NodeEntity, when using debugger, the breakpoints indicates that the object isn't containing any relation in outgoingRelations and incomingRelations but when the transaction is comitted, it refills...

Use apoc functions inside Java plugin

Hi community, I'm running some cypher statements with apoc functions inside my Java plugin. Problem is, that the tests fail saying apoc functions are unknown. How can I include apoc to my project? Is there public lib I can import from? Kind regards, ...

Neo4J GraphQL Apollo Resolver Filter GTE

Hi i have a question. Lets Say we have a property in the Schema that is only processed with a custom resolver, call it GesamtSumme. It works great i get back the GesamtSumme. So now the GesammtSumme isn´t in Neo4J and the directive @ignore is added. ...

mmkay by Node
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Resolved! Problems with complex object result in plugin

Hi folks, I'm new to neo4j plugin development as until today I came through every task with cypher and apoc for the last nine years. Anyway - right now I've got stuck mapping a response from neo4j within Java an iternate through the nested lists. My...

Why doesn't neo4j has a scala driver yet?

I have tried working with neo4j-java-driver but trust me it is really painful. You end with a boilerplate spaghetti of code that is dedicated only to conversion between Scala futures and java concept of futures. This makes adoption of neo4j by scala ...

Simple example using the python driver?

Is there a simple example of working with the neo4j python driver? How do I just pass cypher query to the driver to run and return a cursor? If I'm reading for example this it seems the demo has a class wrapper, with a private member func I pass to t...

D_C by Node Clone
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Convert stream of records to JSON in Python driver

I am trying to convert the result of a query to JSON using the Neo4j Python driver. However, there are serialization issues with records. What is the correct way to convert a stream of records to JSON? I had a look at similar question But I don't see...

Get Query Results as JSON programmatically

I am pretty new to Neo4J and currently using the neo4j-java-driver with bolt for accessing the DB and sending (possible) results back to a frontend. This API will obviously be written in Java and provide REST endpoints with JSON as payload. Now, shou...

BairDev by Node Clone
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