RCurl在出错时获取响应体
我只是尝试在post请求使用RCurl失败时获取响应主体。当我通过R运行它时,我只得到响应错误,它失败了RCurl在出错时获取响应体,r,rcurl,responsetext,R,Rcurl,Responsetext,我只是尝试在post请求使用RCurl失败时获取响应主体。当我通过R运行它时,我只得到响应错误,它失败了 Error: Unprocessable Entity 当我用UI界面发布相同的请求进行测试时,它给出 { "reason": [ "Can not create Data with Name: DataTest. Data Name should be unique." ], "singleReason": "Can not create Data with Name: Data
Error: Unprocessable Entity
当我用UI界面发布相同的请求进行测试时,它给出
{
"reason": [
"Can not create Data with Name: DataTest. Data Name should be unique."
],
"singleReason": "Can not create Data with Name: DataTest. Data Name should be unique."
}
对于如何获得4XX错误响应机构的任何帮助,我们将不胜感激。蒂亚
发布请求
postdata.json <- '{"name":"DataTest","description":"Test Payload","algorithm":{"name":"DataTest","version":"0.1.0"}}'
post.result <- httpPOST(url=SERVER, postfields = postdata.json, verbose = T,
httpheader=c(Authorization=access.token, 'Content-Type'='application/json', Accept='application/json'))
* About to connect() to SERVER port 80 (#0)
* Trying SERVER... * connected
* Connected to SERVER port 80 (#0)
> POST /api/test HTTP/1.1
Host: SERVER
Authorization: AUTHENTICATION
Content-Type: application/json
Accept: application/json
Content-Length: 171
< HTTP/1.1 422 Unprocessable Entity
< Content-Type: application/json;charset=UTF-8
< Date: Thu, 13 Nov 2014 16:31:42 GMT
< Server: Apache-Coyote/1.1
< Content-Length: 215
< Connection: keep-alive
<
* Connection #0 to host SERVER left intact
Show Traceback
Rerun with Debug
Error: Unprocessable Entity
postdata.json以下是使用httr的一种方法:
library(httr)
postdata.json <- '{"name":"DataTest","description":"Test Payload","algorithm":{"name":"DataTest","version":"0.1.0"}}'
res <- POST(SERVER,
body = postdata.json,
add_headers(
Authorization = access.token,
'Content-Type' = 'application/json',
Accept = 'application/json'
)
)
http_status(res)
content(res)
库(httr)
postdata.json我能够通过添加basicTextGatherer()和writefunction,使用RCurl获得响应体
reader <- basicTextGatherer()
post.result <- httpPOST(url=SERVER, postfields = postdata.json, verbose = T,
writefunction = reader$update,
httpheader=c(Authorization=access.token,
'Content-Type'='application/json',
Accept='application/json')
)
return(body=reader$value())
reader请提供一个最小的可重复的示例来演示您遇到的问题。使用writefunction
和/或debugfunction
选项,这些选项将被传递到“执行”。或者,让httr看看更简单的界面。