Head's Up! These forums are read-only. All users and content have migrated. Please join us at community.neo4j.com.
01-16-2020 10:06 PM
01-16-2020 10:20 PM
The system explains that an expected condition within the data processed is not given.
Without any context information its rather difficult to help you out.
As a starting point, I would investigate the node and relation whose IDs are literally given by using the web client, e.g.:
MATCH (n)
WHERE id(n)=199446563
WITH n
MATCH (r)
WHERE id(r)=112111602
RETURN n, r
Examine, if the results match your expectations to model and data.
01-16-2020 10:50 PM
MATCH (n)
WHERE id(n)=199446563
WITH n
MATCH (r)
WHERE id(r)=112111602
RETURN n, r
this is giving two node..
how i can solve this error .. please help
01-17-2020 12:35 AM
Hi Yesh,
Looks like APOC is not installed properly.
try below link to and add the APOC jar manually and update settings file accordingly
Regards
Vivek
01-17-2020 04:33 AM
please see for more details
04-21-2020 09:17 PM
MATCH(start:Place{id:'Amsterdam'}),(end:Place{id:'London'})
CALL gds.alpha.shortestPath.stream({
nodeProjection:'Place',
relationshipPorjection:{ROAD:{type:'EROAD',properties:'distance',orientation:'UNDIRECTED'}},
startNode:start,endNode:end, writeProperty:'distance'})
YIELD nodeId, cost
RETURN gds.util.asNode(nodeId).id as name, cost
Failed to invoke procedure gds.alpha.shortestPath.stream
: Caused by: java.lang.IllegalArgumentException: Missing information for implicit graph creation. No value specified for the mandatory configuration parameter relationshipProjection
(a similar parameter exists: [relationshipPorjection])
**I got this message when i try to running the code in Neo4j 3.5.17 **
How I can solve it ??
04-22-2020 12:51 AM
Hi @nmalsaud15.
Please check one issue related to spelling of relationshipProjection
04-22-2020 01:55 PM
Think you It working now
04-25-2020 10:21 PM
CALL algo.closeness.stream("User", "FOLLOWS")
YIELD nodeId, centrality
RETURN algo.getNodeById(nodeId).id, centrality
ORDER BY centrality DESC
There is no procedure with the name algo.closeness.stream
registered for this database instance. Please ensure you've spelled the procedure name correctly and that the procedure is properly deployed.
I used this code but I got this error and the code looks fine to me.
How I can solve this problems ?
04-27-2020 05:25 AM
Have you setup Neo4j Graph algorithm correctly ?
https://neo4j.com/docs/graph-algorithms/current/introduction/
04-27-2020 07:24 PM
yes, I did install it before I start working in my project.
FYI, I installed it in 3.5.17 not the latest one>
04-28-2020 03:48 AM
Hope you have updated your configuration file
dbms.security.procedures.unrestricted=algo.*
All the sessions of the conference are now available online