[jira] [Created] (SPARK-9302) collect()/head() failed with JSON of some format

["Sun Rui (JIRA)" <ji...@apache.org>]

Sun Rui created SPARK-9302:
------------------------------

             Summary: collect()/head() failed with JSON of some format
                 Key: SPARK-9302
                 URL: https://issues.apache.org/jira/browse/SPARK-9302
             Project: Spark
          Issue Type: Bug
          Components: SparkR
    Affects Versions: 1.4.1, 1.4.0
            Reporter: Sun Rui


Reported in the mailing list by Exie <tf...@prodevelop.com.au>:
{noformat}
A sample record in raw JSON looks like this:
{"version": 1,"event": "view","timestamp": 1427846422377,"system":
"DCDS","asset": "6404476","assetType": "myType","assetCategory":
"myCategory","extras": [{"name": "videoSource","value": "mySource"},{"name":
"playerType","value": "Article"},{"name": "duration","value":
"202088"}],"trackingId": "155629a0-d802-11e4-13ee-6884e43d6000","ipAddress":
"165.69.2.4","title": "myTitle"}

> head(mydf)
Error in as.data.frame.default(x[[i]], optional = TRUE) : 
  cannot coerce class ""jobj"" to a data.frame
>
> show(mydf)
DataFrame[localEventDtTm:timestamp, asset:string, assetCategory:string, assetType:string, event:string, extras:array<struct&lt;name:string,value:string>>, ipAddress:string, memberId:string, system:string, timestamp:bigint, title:string, trackingId:string, version:bigint]
>
{noformat}




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