[ 
https://issues.apache.org/jira/browse/SPARK-25723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

huanghuai updated SPARK-25723:
------------------------------
    Description:     (was: {color:#333333}*spark.read()*{color}

{color:#333333}*.format("com.myself.datasource")*{color}

{color:#333333}*.option("ur","xxxx")*{color}

{color:#333333}*.load()*{color}

{color:#FF0000}*.show()*{color}

 

{color:#FF0000}*Driver stacktrace:*{color}
{color:#FF0000} *at*{color} 
org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1599)
 ~[spark-core_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1587)
 ~[spark-core_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1586)
 ~[spark-core_2.11-2.3.0.jar:2.3.0]
 at 
scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) 
~[scala-library-2.11.8.jar:?]
 at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48) 
~[scala-library-2.11.8.jar:?]
 at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1586) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:831)
 ~[spark-core_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:831)
 ~[spark-core_2.11-2.3.0.jar:2.3.0]
 at scala.Option.foreach(Option.scala:257) ~[scala-library-2.11.8.jar:?]
 at 
org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:831)
 ~[spark-core_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:1820)
 ~[spark-core_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1769)
 ~[spark-core_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1758)
 ~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:642) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.SparkContext.runJob(SparkContext.scala:2027) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.SparkContext.runJob(SparkContext.scala:2048) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.SparkContext.runJob(SparkContext.scala:2067) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.sql.execution.SparkPlan.executeTake(SparkPlan.scala:363) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.sql.execution.CollectLimitExec.executeCollect(limit.scala:38) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.sql.Dataset.org$apache$spark$sql$Dataset$$collectFromPlan(Dataset.scala:3272)
 ~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.sql.Dataset$$anonfun$head$1.apply(Dataset.scala:2484) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.sql.Dataset$$anonfun$head$1.apply(Dataset.scala:2484) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.sql.Dataset$$anonfun$52.apply(Dataset.scala:3253) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:77)
 ~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.sql.Dataset.withAction(Dataset.scala:3252) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.sql.Dataset.head(Dataset.scala:2484) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.sql.Dataset.take(Dataset.scala:2698) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.sql.Dataset.showString(Dataset.scala:254) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.sql.Dataset.show(Dataset.scala:723) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.sql.Dataset.show(Dataset.scala:682) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.sql.Dataset.show(Dataset.scala:691) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]


{color:#FF0000}*Caused by: scala.MatchError: 23.25 (of class 
java.lang.Double)*{color}
{color:#FF0000} *at*{color} 
org.apache.spark.sql.catalyst.CatalystTypeConverters$StringConverter$.toCatalystImpl(CatalystTypeConverters.scala:276)
 ~[spark-catalyst_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.sql.catalyst.CatalystTypeConverters$StringConverter$.toCatalystImpl(CatalystTypeConverters.scala:275)
 ~[spark-catalyst_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.sql.catalyst.CatalystTypeConverters$CatalystTypeConverter.toCatalyst(CatalystTypeConverters.scala:103)
 ~[spark-catalyst_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.sql.catalyst.CatalystTypeConverters$$anonfun$createToCatalystConverter$2.apply(CatalystTypeConverters.scala:379)
 ~[spark-catalyst_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.sql.execution.RDDConversions$$anonfun$rowToRowRdd$1$$anonfun$apply$3.apply(ExistingRDD.scala:60)
 ~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.sql.execution.RDDConversions$$anonfun$rowToRowRdd$1$$anonfun$apply$3.apply(ExistingRDD.scala:57)
 ~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at scala.collection.Iterator$$anon$11.next(Iterator.scala:409) 
~[scala-library-2.11.8.jar:?]
 at 
org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.processNext(Unknown
 Source) ~[?:?]
 at 
org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
 ~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.sql.execution.WholeStageCodegenExec$$anonfun$10$$anon$1.hasNext(WholeStageCodegenExec.scala:614)
 ~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.sql.execution.SparkPlan$$anonfun$2.apply(SparkPlan.scala:253) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.sql.execution.SparkPlan$$anonfun$2.apply(SparkPlan.scala:247) 
~[spark-sql_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$25.apply(RDD.scala:830)
 ~[spark-core_2.11-2.3.0.jar:2.3.0]
 at 
org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$25.apply(RDD.scala:830)
 ~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:324) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.rdd.RDD.iterator(RDD.scala:288) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:324) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.rdd.RDD.iterator(RDD.scala:288) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.scheduler.Task.run(Task.scala:109) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:345) 
~[spark-core_2.11-2.3.0.jar:2.3.0]
 ... 3 more

 

---------------------------------------------------------------------------------------------------------------

if i use dataset.show() this error will occured.

if i use dataset.collectAsList() ,it's ok.

I debug at follwing method, 

{color:#FF0000}*org.apache.spark.sql.execution.RDDConversions.*{color}

{color:#FF0000}*rowToRowRdd(data: RDD[Row], outputTypes: Seq[DataType])*{color}

if found , everytime , when i show {*outputTypes: Seq[DataType]*}*, it is 
different like this:*

*at first time:*

DoubleType

IntegerType

StringType

*maby second or third time:*

DoubleType

StringType

IntegerType

    

The order of datatype(schema)   is wrong, so when it execute

{mutableRow(i) = converters(i)(r(i))}

will get a wrong converter , and scala's matcherror will occured..)
        Summary: spark sql External DataSource  (was: dataset.show() , 
scala.MatchError: 23.25 (of class java.lang.Double))

> spark sql External DataSource
> -----------------------------
>
>                 Key: SPARK-25723
>                 URL: https://issues.apache.org/jira/browse/SPARK-25723
>             Project: Spark
>          Issue Type: Question
>          Components: SQL
>    Affects Versions: 2.3.2
>         Environment: local mode
>            Reporter: huanghuai
>            Priority: Major
>




--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org

Reply via email to