When iterating over all nodes, you also pull the reference node (with id = 0),
which probably doesn't have the requested property.
If you want to list all properties of a node, it's better to use a construct
like:
for(String key: node.getPropertyKeys()){
System.out.println(node.getProperty(key));}
> Date: Thu, 28 Jul 2011 13:18:50 +0200
> From: [email protected]
> To: [email protected]
> Subject: [Neo4j] strange problem while getting a node property
>
> Hi,
> I've this strange problem when I try to collect data from the graph with
> the Java API in Groovy :
>
> db.allNodes.each {node ->
> cpt=0
> node.getRelationships().each {rel ->
> cpt++
> }
> println ("${node} ${cpt}")
> println node.getPropertyKeys()
> }
>
> The iteration on each node is right working.
> The iteration to count the relationships on each node is working too.
>
> The call node.getPropertyKeys() gives me the list of the properties like
> this :
> [nbrel, version, maintainer, section, architecture, package, priority,
> dataset, installedSize]
>
> But,
>
> If a call node.getProperty("package")
> I receive this error :
> Caught: org.neo4j.graphdb.NotFoundException: package property not found
> for NodeImpl#0
>
> And, If I set the value just before, for test like this :
> node.setProperty("package", "test")
> println node.getProperty("package")
>
> I get the value.
>
> So I can't get property which was not set by the node.setProperty method.
> The initial data are copied into the graph with a perl script using the
> Neo4j REST interface.
>
> Maybe I do something wrong,
> I'm a newbie in both Neo4j and Groovy
>
> Regards,
> Jean-Sébastien Stoffen
> _______________________________________________
> Neo4j mailing list
> [email protected]
> https://lists.neo4j.org/mailman/listinfo/user
_______________________________________________
Neo4j mailing list
[email protected]
https://lists.neo4j.org/mailman/listinfo/user
