Questions tagged [neo4j-driver]

85 questions
7
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2 answers

Unable to connect to neo4j from nodejs using neo4j driver

I am using neo4j-driver to connect to neo4j via nodejs but I am facing an issue. It gives the error failed to connect to server even when the database is up and running and can be accessed via neo4j browser. Neo4jError: Failed to connect to server.…
4
votes
2 answers

Neo4j Docker Connection failure

I am facing the neo4j connection issue while trying the run the neo4j code; the same working fine outside docker but failing to establish the connection with neo4j database while running inside docker. Error message: Traceback (most recent call…
Jack Daniel
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4
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2 answers

How to get the execution time of a cypher query from python?

I am trying to compare get the execution time of a Cypher query from python, i.e. the time required to compute on the neo4j-server (not including the time required output the result). Right now I am using the following code: from neo4j.v1 import…
3
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1 answer

Getting node by id and parameters with Neo4j-Driver for nodejs

I'm trying to return a specific node with the id (using neo4j-driver package within my nodejs server). I have the id of the node I'm searching for. So I used the parameters in the run method as showed bellow but I'm not getting any nodes.…
Nelands
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3
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2 answers

Neo4j: explicit pessimistic locking via Java API or Cypher

Is there a way to manually acquire write lock on a certain set of nodes via Neo4J Java API or Cypher? There are examples in documentation, but only for embedded Neo4j version. Standard Java Transaction interface does not contain such methods:…
silent-box
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2
votes
1 answer

Formatting multiple query returns as a JSON object

I am using JavaScript and neo4j-driver to save a node and some relations to my graph. Everything works as expected, but I would like to read the results of my write and output it in a specific format afterwards, which I am having trouble with. For…
Miha Šušteršič
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2
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2 answers

update multiple related nodes simultaneously in neo4j with java

I want to copy multiple nodes and then delete the old ones simultaneously. I wrote a multithread java application for this purpose. My cypher query is as below: String cypher= "MATCH (a:Person {surname:\""+ Thread.currentThread().getName()+"\"}) …
zahra.dgh
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2
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Using Neo4J Java driver 4.0.2 with futures generates errors: NOT PART OF CHAIN, DynamicRecord not in use

I am upgrading a Java project from Java 8 (1.8.0_222) + Neo4J driver version 1.3.1 to Java 11.0.2 + Neo4J driver version 4.0.2. When making the necessary changes, I encountered an issue that I didn’t have before. I’m using futures to compute score…
2
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0 answers

Neo4j - Neo4jError: Connection was closed by server

I've created a google cloud VM instance with neo4j on it, by following this instructions: https://neo4j.com/docs/operations-manual/current/cloud-deployments/neo4j-gcp/single-instance-vm/ The browser Db looks fine: I can view and manipulate from the…
2
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1 answer

Neo4j Driver C# Unwind a list of objects

I'm looking how to unwind a list of objects (in memory) into Neo4j 4.0. Below is what I had previously using Neo4jClient nuget but I'm having to switch to Neo4j.Driver nuget instead. Neo4jClient (old) graphClient.Cypher .Unwind(towns, "tp") …
Liam
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2
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1 answer

Why is the Neo4j Bolt Driver inconsistent between shell and IDE?

I see a strange behavior with the neo4j-bolt-driver. When I use Pycharm to run my code it works perfectly well and for a single query to neo4j I get the below response: type: neo4j.node # I pulled out the type of the element.
iam.Carrot
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Weird problem when using neo4j-driver together with Stencil

So, I recently tried to use the TS neo4j-driver (neo4j-driver), which of course works as supposed inside a TS app. However, when I try to use neo4j-driver in combination with Stencil, I get a compiler error from the stencil compiler (Node Polyfills…
lightxx
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1
vote
1 answer

neo4j query result changed base on return node and properties

I have a query with 2 different return nodes. My question is why when I return m2 node, result will change and when remove m2 node from return statement, result will change too. result dcount change by removing or adding m2. my question is…
Ethirion
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Cypher returning duplicate results when relationship is referenced

I have a cypher query that returns list of users that are recommended to a user to follow, but am getting duplicate results when the cypher is executed. Here is the cypher query: MATCH (user:User { id: $userId }) MATCH…
Emmanuel
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1
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Why does neo4j convert my number to Double with point Neo4j

I am using neo4j-driver inside node js and so far it worked great! But now I have a Date Stamp, which looks 1634717983 when I try to create a node with date property in neo4j it converts the number to double which looks Double(1.634718e+06). Here…
Armen Sanoyan
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