当我尝试调用 RNeo4j 的 startGraph 时,它一直给我错误无法解析主机:http。我验证了 neo4j 服务器正在运行,本地和远程主机的浏览器返回正确的答案,但不是来自 RStudio。我试过 R 3.1.2 和 R 3.1.0。两人都给出了同样的回应。sessionInfo() 显示加载了必要的库:
> sessionInfo()
R version 3.1.0 (2014-04-10)
Platform: x86_64-w64-mingw32/x64 (64-bit)
locale:
[1] LC_COLLATE=English_United States.1252
[2] LC_CTYPE=English_United States.1252
[3] LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C
[5] LC_TIME=English_United States.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] RJSONIO_1.3-0 RNeo4j_1.0 rJava_0.9-6 RCurl_1.95-4.5
[5] rjson_0.2.15 bitops_1.0-6
loaded via a namespace (and not attached):
[1] codetools_0.2-8 devtools_1.6.1 httr_0.6.1 igraph_0.7.1
[5] pryr_0.1 Rcpp_0.11.3 stringr_0.6.2 tools_3.1.0
> graph = startGraph("http:/localhost:7474/db/data")
Error in function (type, msg, asError = TRUE) :
Could not resolve host: http
>