Τη Παρασκευή, 16 Μαΐου 2014 12:55:15 μ.μ. UTC+3, ο χρήστης Sotiris Beis έγραψε: > > Hi, > I have the following code snippet > https://gist.github.com/sarovios/3552c424afacecf680dc where I try to > create a simple graph. Unlike the example > here<https://github.com/neo4j/neo4j/blob/master/community/server-examples/src/main/java/org/neo4j/examples/server/CreateSimpleGraph.java> > I > want my nodes indexed so I can check if a specific node exists or not. When > I execute the code I get the following error: > Exception in thread "Thread-0" java.lang.NullPointerException > at test.Thread1.addRelationship(Thread1.java:103) > at test.Thread1.run(Thread1.java:28) > at java.lang.Thread.run(Thread.java:745) > > Where is the problem? > > Is it possible that the error is cause because I use a wrong node URI? In > all the > examples<http://docs.neo4j.org/chunked/stable/rest-api-relationships.html#rest-api-create-relationship> > it > is used a node URI that is not indexed (e.g. > http://localhost:7474/db/data/node/10). I should follow the same > procedure if i want to add relationships between indexed nodes? > > Thanks in advance, > Sotiris >
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