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Hello, Neo4J Community Edition is well started as a service. If I uses the neo4j jdbc driver 3.3 the follow line: Connection con = DriverManager.getConnection("jdbc:neo4j:bolt://127.0.0.1:7687", "test", "test"); delivers the following exception: java...
From the org.neo4j.driver.v1.StatementRunner javadoc : While these semantics introduce some complexity, it gives the driver the ability to handle infinite result streams (like subscribing to events), significantly lowers the memory overhead for your...
Hi all, I am working on a unit test for an extension to apoc I started long ago. So long, I am using a branch based upon neo 3.3 My test fails because t.getQueryStatistics().getNodesDeleted() is always zero. So I was wondering if getQueryStatistics w...
Hi, I'm using the java driver version 1.7.3, and the OGM 3.1.7 with the bolt driver. I've ended up using the java driver to import data, as doing it through the OGM was proving to be too slow (and ran out of memory for the larger data saves). I kep...
Hello, I am getting started with creating an application that does CRUD operations with Neo4j and Java. I wanted to know if there is an alternative way if I do not want to create POJOs to represent my entities/ models in Spring Boot? I would prefer t...
Hi, we are running some tests to import data through the neo4j-jdbc driver, actually using springframework.jdbc on top of it. The schema is super basic, 2 nodes (Documents and NamedEntities) and 1 relationship (MENTIONED_IN). The test consist on crea...
Hi all . . . The problem: It's a multiiple origin one destination problem. The origin node is "7" and the origin nodes are: 9,1 and 10. It has to return de numer of nodes into the diferent path between all the nodes (label:inicio) (Source) and the de...
I am in the process of upgrading from Neo4J 3.4.3 to 3.5.3 and running into this issue while trying to run my embedded server: Exception in thread "main" java.lang.RuntimeException: Error starting org.neo4j.graphdb.facade.GraphDatabaseFacadeFactory, ...
Hi, I am busy developing my own java plugin for neo. I am using maven and writing unit tests using harness, as is suggested in the tutorials.. Now, in my plugin i want to use apoc, as there are some excellent functions in there, and i plan to do it b...
Hi, I am working on a custom java module to import data. It worked fine, but then i made some "improvements" and it runs too slow. Is there any good way of finding out which java functions are the most time-consuming - i.e where the code spends most ...
We wanted to upgrade our neo4J cluster from neo4J 3.4.x to neo4J 3.5.2, but now we are facing with the following problem: 2019-01-28 08:52:41.894+0000 ERROR Failed to start Neo4j: Starting Neo4j failed: Component 'org.neo4j.server.database.Lifecycle...
Does anyone know if its possible to execute .cql or .cypher files programmatically in embedded java mode as sort of a "batch" operation? I have numerous queries in a .cql file that I'd like to use whenever I spin up a new database using something lik...
We would like to check the frequency of data access, are there any ways to do that? Or is it possible to track data access data by changing setting of log data? Here are some sample log data we have confirmed. We failed to confirm any query execution...
I am using neo4j java client. When a write query is successful, I know it is possible to know how many nodes have been created, updated or deleted, and same for relationships via SummaryCounters. However, is there a way to know exactly which nodes an...
Hello, I'm trying to create relations between already created nodes. I'm able to create normal relations (fixed names) without any problems but I'm not able to create relation names dynamically. I explain: I'm trying to replicate the model explained ...
