Neo4j

BairDev · 11-22-2022

I am using a single Neo4J driver object (in a Jersey Binder class as an instance of a singleton). The driver is created like this: Config config = Config.builder() .withMaxConnectionLifetime( 30, TimeUnit.MINUTES ) .withMaxConnectionPoolS...

BairDev · 11-02-2022

Again I have troubles with starting Neo4J after upgrading, I can see the following Exceptions, all seem to be related to org.neo4j.logging.Log org.neo4j.logging.internal.LogService.getUserLog and I have no clue what could be wrong with it or with my ...

BairDev · 10-28-2022

After upgrading neo4j to version 5.1.0 (from 4.4.x) the server does not start anymore. Error Message:```` Failed to read config /etc/neo4j/neo4j.conf: Unrecognized setting. No declared setting with name: apoc.export.file.enabled But there is exactly...

BairDev · 04-21-2022

Just in case I've missed it in the docs: is there something like spread operators for map projections? I have two related nodes, which I would get with MATCH (b:Building)--(a:Address). Now I can project the address into the building with RETURN b{.*,...

BairDev · 11-18-2021

Background I want to create a set (rows) of single users with columns from values from child nodes. But I am not able to understand how to aggregate this (with subqueries?). Data - (:UsedMeasure) / (:U...

BairDev · 11-24-2022

Thanks for your work and your response(s). The actual problem was - of course - in my code. I have thrown an exception in a loop before calling (Transaction) tx.commit(), tx.close() and session.close(). Connections do not pile up anymore after fixing...

BairDev · 11-03-2022

Ooh, I've missed this apoc version. This might well work, but I went back to 4.4.12 because I needed to work with the DB immediately. Thanks a lot and I'll give it another trial later.

BairDev · 10-28-2022

Yes, that works! Together with commenting out apoc.ttl.enabled #*******************************************************************# APOC settings#*******************************************************************## apoc.ttl.enabled=tru# should be 2...

BairDev · 04-26-2022

Ah, map.merge and map.flatten do look promising. Thanks!

BairDev · 11-19-2021

Thanks for your commitment! Your solution would work perfectly, if we would know the values of our properties confirmed and confirmExplain. The values for confirmed are from a set of strings, the values of confirmExplain are completely free user inp...

Neo4j

User Statistics

User Activity

Why do connections pile up (Java Driver 4.4.9)?

Fix Exception at LogService.getUserLog for 5.1.0

Config for Upgrade from 4.4 to 5.1

Spread operator for map projections?

Turn rows of join in columns?

Re: Why do connections pile up (Java Driver 4.4.9)?

Re: Fix Exception at LogService.getUserLog for 5.1.0

Re: Config for Upgrade from 4.4 to 5.1

Re: Spread operator for map projections?

Re: Turn rows of join in columns?