Interesting. I did create and delete a few nodes manually via the Web interface right when I first installed the server. Maybe there's some bug related to that. In any case, it seems to be working now that I reinstalled the server with 1.6.
On Dec 1, 2011, at 12:12 PM, Michael Hunger [via Neo4j Community Discussions] wrote: > Hi Frank, > > this is really weird. Your server is missing the exploratory URL for the > reference node. > The (Spring)RestGraphDatabaseService uses this URL to get the URL for the > ReferenceNode. > > I don't know why your sever is missing that. > > I just downloaded 1.5 community for unix and started the server, it reports > the reference_node url as expected: > > ynagzet:neo4j-community-1.5 mh$ curl http://localhost:7474/db/data/ > { > "relationship_index" : "http://localhost:7474/db/data/index/relationship";, > "node" : "http://localhost:7474/db/data/node";, > "relationship_types" : "http://localhost:7474/db/data/relationship/types";, > "neo4j_version" : "1.5", > "batch" : "http://localhost:7474/db/data/batch";, > "extensions_info" : "http://localhost:7474/db/data/ext";, > "node_index" : "http://localhost:7474/db/data/index/node";, > "reference_node" : "http://localhost:7474/db/data/node/0";, > "extensions" : { > "CypherPlugin" : { > "execute_query" : > "http://localhost:7474/db/data/ext/CypherPlugin/graphdb/execute_query"; > }, > "GremlinPlugin" : { > "execute_script" : > "http://localhost:7474/db/data/ext/GremlinPlugin/graphdb/execute_script"; > } > } > } > > Am 01.12.2011 um 17:53 schrieb Frank: > > > Hi Michael, > > > > My curl result looks like this: > > > > $ curl http://localhost:7474/db/data/ -i > > HTTP/1.1 200 OK > > Content-Length: 680 > > Content-Encoding: UTF-8 > > Content-Type: application/json > > Access-Control-Allow-Origin: * > > Server: Jetty(6.1.25) > > > > { > > "relationship_index" : "http://localhost:7474/db/data/index/relationship";, > > "node" : "http://localhost:7474/db/data/node";, > > "relationship_types" : "http://localhost:7474/db/data/relationship/types";, > > "neo4j_version" : "1.5", > > "batch" : "http://localhost:7474/db/data/batch";, > > "extensions_info" : "http://localhost:7474/db/data/ext";, > > "node_index" : "http://localhost:7474/db/data/index/node";, > > "extensions" : { > > "CypherPlugin" : { > > "execute_query" : > > "http://localhost:7474/db/data/ext/CypherPlugin/graphdb/execute_query"; > > }, > > "GremlinPlugin" : { > > "execute_script" : > > "http://localhost:7474/db/data/ext/GremlinPlugin/graphdb/execute_script"; > > } > > } > > } > > > > I installed what I thought was the latest version of the server. > > > > My Maven dependency tree is enourmous because the rest of my application > > uses a lot of things. I think this is the part you're interested in, > > though. > > > > [INFO] +- > > org.springframework.data:spring-data-neo4j:jar:2.0.0.BUILD-SNAPSHOT:compile > > [INFO] | +- org.springframework:spring-beans:jar:3.0.6.RELEASE:compile > > [INFO] | +- org.springframework:spring-aspects:jar:3.0.6.RELEASE:compile > > [INFO] | +- > > org.springframework.data:spring-data-commons-core:jar:1.2.0.M2:compile > > [INFO] | +- org.slf4j:jcl-over-slf4j:jar:1.6.1:compile > > [INFO] | +- cglib:cglib:jar:2.2:compile > > [INFO] | +- org.neo4j:neo4j:jar:1.5:compile > > [INFO] | | +- org.neo4j:neo4j-kernel:jar:1.5:compile > > [INFO] | | | \- > > org.apache.geronimo.specs:geronimo-jta_1.1_spec:jar:1.1.1:compile > > [INFO] | | +- org.neo4j:neo4j-lucene-index:jar:1.5:compile > > [INFO] | | +- org.neo4j:neo4j-graph-algo:jar:1.5:compile > > [INFO] | | +- org.neo4j:neo4j-udc:jar:1.5:compile > > [INFO] | | +- org.neo4j:neo4j-graph-matching:jar:1.5:compile > > [INFO] | | \- org.neo4j:neo4j-jmx:jar:1.5:compile > > [INFO] | +- org.neo4j:neo4j-cypher-dsl:jar:1.5:compile > > [INFO] | +- > > org.hibernate.javax.persistence:hibernate-jpa-2.0-api:jar:1.0.0.Final:compile > > > > [INFO] | \- javax.validation:validation-api:jar:1.0.0.GA:compile > > [INFO] +- > > org.springframework.data:spring-data-neo4j-rest:jar:2.0.0.BUILD-SNAPSHOT:compile > > > > [INFO] | +- org.neo4j:neo4j-rest-graphdb:jar:1.5:compile > > [INFO] | | \- org.neo4j:server-api:jar:1.5:compile > > [INFO] | | +- javax.ws.rs:jsr311-api:jar:1.1.1:compile > > [INFO] | | \- > > commons-configuration:commons-configuration:jar:1.6:compile > > [INFO] | | \- > > commons-beanutils:commons-beanutils-core:jar:1.8.0:compile > > [INFO] | +- org.codehaus.jackson:jackson-jaxrs:jar:1.6.1:compile > > [INFO] | +- com.sun.jersey:jersey-server:jar:1.4:compile > > [INFO] | | \- com.sun.jersey:jersey-core:jar:1.4:compile > > [INFO] | \- com.sun.jersey:jersey-client:jar:1.4:compile > > > > > > > > On Nov 30, 2011, at 8:37 PM, Michael Hunger [via Neo4j Community > > Discussions] wrote: > > > >> Frank, > >> > >> sorry to hear that. > >> > >> I just tried it and it works as expected. > >> > >> final SpringRestGraphDatabase gdb = new > >> SpringRestGraphDatabase("http://localhost:7474/db/data/";); > >> final Node node = gdb.getReferenceNode(); > >> assertEquals(0,node.getId()); > >> > >> What version of the Neo4j-Server are you using? Could you please also show > >> the output of mvn dependency:tree ? > >> > >> Thanks a lot > >> > >> Michael > >> > >> if you execute it via curl, what are the results? > >> > >> ynagzet:spring-data-neo4j mh$ curl http://localhost:7474/db/data/ -i > >> HTTP/1.1 200 OK > >> Content-Length: 620 > >> Content-Encoding: UTF-8 > >> Content-Type: application/json > >> Access-Control-Allow-Origin: * > >> Server: Jetty(6.1.25) > >> > >> { > >> "relationship_index" : > >> "http://localhost:7474/db/data/index/relationship";, > >> "node" : "http://localhost:7474/db/data/node";, > >> "relationship_types" : > >> "http://localhost:7474/db/data/relationship/types";, > >> "neo4j_version" : "1.6.M01", > >> "batch" : "http://localhost:7474/db/data/batch";, > >> "extensions_info" : "http://localhost:7474/db/data/ext";, > >> "node_index" : "http://localhost:7474/db/data/index/node";, > >> "reference_node" : "http://localhost:7474/db/data/node/0";, > >> "extensions" : { > >> "GremlinPlugin" : { > >> "execute_script" : > >> "http://localhost:7474/db/data/ext/GremlinPlugin/graphdb/execute_script"; > >> } > >> } > >> }ynagzet:spring-data-neo4j mh$ curl http://localhost:7474/db/data -i > >> HTTP/1.1 302 Found > >> Location: http://localhost:7474/db/data/ > >> Content-Length: 0 > >> Server: Jetty(6.1.25) > >> > >> > >> Am 01.12.2011 um 00:19 schrieb Frank: > >> > >>> The server is running on localhost and can be hit from a browser. The > >>> server's configuration was modified to allow requests from any IP > >>> address, > >>> although all of my attempts are from the localhost anyway. > >>> > >>> I've tried this with and without a trailing slash on the URI, no > >>> difference. > >>> > >>> Code: > >>> > >>> GraphDatabase graphDb = new > >>> SpringRestGraphDatabase("http://localhost:7474/db/data";); > >>> graphDb.getReferenceNode(); > >>> > >>> Result: > >>> > >>> java.lang.NullPointerException > >>> at > >>> org.neo4j.rest.graphdb.ExecutingRestRequest.uriWithoutSlash(ExecutingRestRequest.java:78) > >>> > >>> at > >>> org.neo4j.rest.graphdb.ExecutingRestRequest.<init>(ExecutingRestRequest.java:72) > >>> > >>> at > >>> org.neo4j.rest.graphdb.ExecutingRestRequest.with(ExecutingRestRequest.java:149) > >>> > >>> at org.neo4j.rest.graphdb.entity.RestEntity.<init>(RestEntity.java:52) > >>> at org.neo4j.rest.graphdb.entity.RestNode.<init>(RestNode.java:47) > >>> at org.neo4j.rest.graphdb.RestAPI.getReferenceNode(RestAPI.java:168) > >>> at > >>> org.neo4j.rest.graphdb.RestGraphDatabase.getReferenceNode(RestGraphDatabase.java:71) > >>> > >>> at neo4j.Populate.<init>(Populate.java:35) > >>> at neo4j.Populate.main(Populate.java:18) > >>> > >>> > >>> -- > >>> View this message in context: > >>> http://neo4j-community-discussions.438527.n3.nabble.com/NullPointerException-in-ExecutingRestRequest-tp3550067p3550067.html > >>> Sent from the Neo4j Community Discussions mailing list archive at > >>> Nabble.com. > >>> _______________________________________________ > >>> Neo4j mailing list > >>> [hidden email] > >>> https://lists.neo4j.org/mailman/listinfo/user > >> > >> _______________________________________________ > >> Neo4j mailing list > >> [hidden email] > >> https://lists.neo4j.org/mailman/listinfo/user > >> > >> > >> If you reply to this email, your message will be added to the discussion > >> below: > >> http://neo4j-community-discussions.438527.n3.nabble.com/NullPointerException-in-ExecutingRestRequest-tp3550067p3550419.html > >> To unsubscribe from NullPointerException in ExecutingRestRequest, click > >> here. > >> NAML > > > > > > > > -- > > View this message in context: > > http://neo4j-community-discussions.438527.n3.nabble.com/NullPointerException-in-ExecutingRestRequest-tp3550067p3552108.html > > Sent from the Neo4j Community Discussions mailing list archive at > > Nabble.com. > > _______________________________________________ > > Neo4j mailing list > > [hidden email] > > https://lists.neo4j.org/mailman/listinfo/user > > _______________________________________________ > Neo4j mailing list > [hidden email] > https://lists.neo4j.org/mailman/listinfo/user > > > If you reply to this email, your message will be added to the discussion > below: > http://neo4j-community-discussions.438527.n3.nabble.com/NullPointerException-in-ExecutingRestRequest-tp3550067p3552370.html > To unsubscribe from NullPointerException in ExecutingRestRequest, click here. > NAML -- View this message in context: http://neo4j-community-discussions.438527.n3.nabble.com/NullPointerException-in-ExecutingRestRequest-tp3550067p3552394.html Sent from the Neo4j Community Discussions mailing list archive at Nabble.com. _______________________________________________ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
