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https://issues.apache.org/jira/browse/SPARK-3390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Michael Armbrust resolved SPARK-3390.
-------------------------------------
Resolution: Fixed
Fix Version/s: 1.2.0
> sqlContext.jsonRDD fails on a complex structure of JSON array and JSON object
> nesting
> -------------------------------------------------------------------------------------
>
> Key: SPARK-3390
> URL: https://issues.apache.org/jira/browse/SPARK-3390
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.0.2
> Reporter: Vida Ha
> Assignee: Yin Huai
> Priority: Critical
> Fix For: 1.2.0
>
>
> I found a valid JSON string, but which Spark SQL fails to correctly parse:
> Try running these lines in a spark-shell to reproduce:
> {code:borderStyle=solid}
> val sqlContext = new org.apache.spark.sql.SQLContext(sc)
> val badJson = "{\"foo\": [[{\"bar\": 0}]]}"
> val rdd = sc.parallelize(badJson :: Nil)
> sqlContext.jsonRDD(rdd).count()
> {code}
> I've tried running these lines on the 1.0.2 release as well latest Spark1.1
> release candidate, and I get this stack trace:
> {panel}
> org.apache.spark.SparkException: Job aborted due to stage failure: Task 2.0:3
> failed 1 times, most recent failure: Exception failure in TID 7 on host
> localhost: scala.MatchError: StructType(List()) (of class
> org.apache.spark.sql.catalyst.types.StructType)
>
> org.apache.spark.sql.json.JsonRDD$.enforceCorrectType(JsonRDD.scala:333)
>
> org.apache.spark.sql.json.JsonRDD$$anonfun$enforceCorrectType$1.apply(JsonRDD.scala:335)
>
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
>
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
>
> scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
> scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
> scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
> scala.collection.AbstractTraversable.map(Traversable.scala:105)
>
> org.apache.spark.sql.json.JsonRDD$.enforceCorrectType(JsonRDD.scala:335)
>
> org.apache.spark.sql.json.JsonRDD$$anonfun$enforceCorrectType$1.apply(JsonRDD.scala:335)
>
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
>
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
>
> scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
> scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
> scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
> scala.collection.AbstractTraversable.map(Traversable.scala:105)
>
> org.apache.spark.sql.json.JsonRDD$.enforceCorrectType(JsonRDD.scala:335)
>
> org.apache.spark.sql.json.JsonRDD$$anonfun$org$apache$spark$sql$json$JsonRDD$$asRow$1$$anonfun$apply$12.apply(JsonRDD.scala:365)
> scala.Option.map(Option.scala:145)
>
> org.apache.spark.sql.json.JsonRDD$$anonfun$org$apache$spark$sql$json$JsonRDD$$asRow$1.apply(JsonRDD.scala:364)
>
> org.apache.spark.sql.json.JsonRDD$$anonfun$org$apache$spark$sql$json$JsonRDD$$asRow$1.apply(JsonRDD.scala:349)
>
> scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
> scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
>
> org.apache.spark.sql.json.JsonRDD$.org$apache$spark$sql$json$JsonRDD$$asRow(JsonRDD.scala:349)
>
> org.apache.spark.sql.json.JsonRDD$$anonfun$createLogicalPlan$1.apply(JsonRDD.scala:51)
>
> org.apache.spark.sql.json.JsonRDD$$anonfun$createLogicalPlan$1.apply(JsonRDD.scala:51)
> scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
> scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
> ....
> {panel}
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