After everything is ready to fail, can you see what the problem is? Thank you

[duoduoObama]

d3.min.js:2 GET http://localhost:8080/[object%20Object] 404 (Not Found) send @ d3.min.js:2 get @ d3.min.js:2 (anonymous) @ d3.min.js:2 loadNeo4jDataFromUrl @ neo4jd3.js:570 init @ neo4jd3.js:500 Neo4jD3 @ neo4jd3.js:959 init @ (index):36 load (async) (anonymous) @ (index):121 neo4jd3.js:572 Uncaught ProgressEvent {isTrusted: true, lengthComputable: true, loaded: 156, total: 156, type: "load", …}bubbles: falsecancelBubble: falsecancelable: falsecomposed: falsecurrentTarget: XMLHttpRequest {onreadystatechange: null, readyState: 4, timeout: 0, withCredentials: false, upload: XMLHttpRequestUpload, …}defaultPrevented: falseeventPhase: 0isTrusted: truelengthComputable: trueloaded: 156path: []returnValue: truesrcElement: XMLHttpRequest {onreadystatechange: null, readyState: 4, timeout: 0, withCredentials: false, upload: XMLHttpRequestUpload, …}target: XMLHttpRequest {onreadystatechange: null, readyState: 4, timeout: 0, withCredentials: false, upload: XMLHttpRequestUpload, …}timeStamp: 621.3299999944866total: 156type: "load"proto: ProgressEvent (anonymous) @ neo4jd3.js:572 call @ d3.min.js:2 e @ d3.min.js:2 load (async) nu @ d3.min.js:2 (anonymous) @ d3.min.js:2 loadNeo4jDataFromUrl @ neo4jd3.js:570 init @ neo4jd3.js:500 Neo4jD3 @ neo4jd3.js:959 init @ (index):36 load (async) (anonymous) @ (index):121