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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, ...
I'm trying to implement Python's logging feature in a Python script that uses Neobolt and Neo4J's Python driver but I get the following error: Exception ignored in: Traceback (most recent call last): File "/usr/local/lib/python3.7/site-packages/n...
Hi all, I have a question related to the subselection of mutation. Normally, the subselection is sin scalar type or defined Type on Schema. But in case I need a custom Type, how can I define a custom Subselection? For example my query is: MATCH (c:Co...
I am trying to write code in Python (MacOS, Python 3.7.6 64-bit, Spyder 4.0.1) but I can't even get the HelloWorld example to work from the "Using Neo4j from Python" section of the Developer Guide. It fails at the first line. "pip list" shows I have ...
Hi, I am looking to create a backend service using python and neo4j. I have set something up locally using the python bolt driver, but im looking to move this into production. I know this question is abit general, but I was wondering if anyone has bu...
I have created deployed a neo4j database to Google Kubernetes by selecting the application "Neo4j Enterprise Causal Cluster" on Google Applications Marketplace. Using Python neomodel library, I tried to connect it with bolt+routing:// protocol but it...
Hi, I'm using neomodel's OGM and have a few questions. Is it recommended for production usage?Would you pick it over py2neo's OGM?My model requires multi inheritence. e.g. class A(StructuredNode): pass class B(StructuredNode): pass class C(A, B):...
A couple of days ago after a restart of my Mac (OSX 10.15.2) Neo4j Desktop prompted me to update. The upgraded version would not start because it requires Java 11. I have now installed Java 11 (and fixed the various issues in the code relating to tha...
The version 4 release of neo4j apparently has a breaking change in Cypher, so that expressions of the form {x} now cause an error and must be replaced with $x. This broke the statement template used by the subgraph_exists function (in py2neo.internal...
Question 1 about Transaction read locks : when doing tx.acquireReadLock on a node, does all relationships linked to this node are also locked, or do we explicitly need to acquire a lock also for them ? Is it possible for a concurrent transaction to d...
Hello, Is it possible to make an OGM NodeEntity listen for every relation types ? In example: This code is getting every relations of type "RELATION", but this is not what I want: @Relationship(type = "RELATION", direction = Relationship.UNDIRECTED) ...
We have found from the driver log that delay of 16 minutes in getting connection. I would like to understand why the delay? The logs says it is because of service unavailability, Is there any exponential delay introduced by the driver when acquiring ...
Greetings all, I seem to be having some difficulties with Spring Data Rest. Setup Spring Boot 2.2.5.RELEASE Kotlin 1.3.61 So as an example, I have an Orangutan NodeEntity @NodeEntity data class Orangutan constructor( @Id @GeneratedValue val id: L...
Hello, I'm running a very simple graphql query via the graphql cli tool. I get the error: "Cannot read property 'isInt' of undefined". Any idea why? query test($name: String) { Person(name: $name) { first, last } } Thanks
I found the below security vulnerabilities in neo4j java driver . we are using org.neo4j.driver neo4j-java-driver 1.7.5 CVE-2020-7238Netty 4.1.43.Final allows HTTP Request Smuggling because it mishandles Transfer-Encoding whitespace (such as a [...
It seems like the published Hello World Example does not work with the most recent version of the .NET driver - when I put this code into Visual Studio after downloading the most recent version from nuGet, it has errors: https://neo4j.com/docs/driver...
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