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Posted to issues@spark.apache.org by "Brent Elmer (JIRA)" <ji...@apache.org> on 2016/04/25 22:15:13 UTC

[jira] [Created] (SPARK-14901) java exception when showing join

Brent Elmer created SPARK-14901:
-----------------------------------

             Summary: java exception when showing join
                 Key: SPARK-14901
                 URL: https://issues.apache.org/jira/browse/SPARK-14901
             Project: Spark
          Issue Type: Bug
          Components: PySpark
    Affects Versions: 1.6.1
            Reporter: Brent Elmer


I am using pyspark with netezza.  I am getting a java exception when trying to show the first row of a join.  I can show the first row for of the two dataframes separately but not the result of a join.  I get the same error for any action I take(first, collect, show).  Am I doing something wrong?

from pyspark.sql import SQLContext
sqlContext = SQLContext(sc)
dispute_df = sqlContext.read.format('com.ibm.spark.netezza').options(url='jdbc:netezza://***:5480/db', user='***', password='***', dbtable='table1', driver='com.ibm.spark.netezza').load()
dispute_df.printSchema()
comments_df = sqlContext.read.format('com.ibm.spark.netezza').options(url='jdbc:netezza://***:5480/db', user='***', password='***', dbtable='table2', driver='com.ibm.spark.netezza').load()
comments_df.printSchema()
dispute_df.join(comments_df, dispute_df.COMMENTID == comments_df.COMMENTID).first()


root
 |-- COMMENTID: string (nullable = true)
 |-- EXPORTDATETIME: timestamp (nullable = true)
 |-- ARTAGS: string (nullable = true)
 |-- POTAGS: string (nullable = true)
 |-- INVTAG: string (nullable = true)
 |-- ACTIONTAG: string (nullable = true)
 |-- DISPUTEFLAG: string (nullable = true)
 |-- ACTIONFLAG: string (nullable = true)
 |-- CUSTOMFLAG1: string (nullable = true)
 |-- CUSTOMFLAG2: string (nullable = true)

root
 |-- COUNTRY: string (nullable = true)
 |-- CUSTOMER: string (nullable = true)
 |-- INVNUMBER: string (nullable = true)
 |-- INVSEQNUMBER: string (nullable = true)
 |-- LEDGERCODE: string (nullable = true)
 |-- COMMENTTEXT: string (nullable = true)
 |-- COMMENTTIMESTAMP: timestamp (nullable = true)
 |-- COMMENTLENGTH: long (nullable = true)
 |-- FREEINDEX: long (nullable = true)
 |-- COMPLETEDFLAG: long (nullable = true)
 |-- ACTIONFLAG: long (nullable = true)
 |-- FREETEXT: string (nullable = true)
 |-- USERNAME: string (nullable = true)
 |-- ACTION: string (nullable = true)
 |-- COMMENTID: string (nullable = true)

---------------------------------------------------------------------------
Py4JJavaError                             Traceback (most recent call last)
<ipython-input-19-0cb9eb943052> in <module>()
      5 comments_df = sqlContext.read.format('com.ibm.spark.netezza').options(url='jdbc:netezza://***:5480/db', user='***', password='***', dbtable='table2', driver='com.ibm.spark.netezza').load()
      6 comments_df.printSchema()
----> 7 dispute_df.join(comments_df, dispute_df.COMMENTID == comments_df.COMMENTID).first()

/usr/local/src/spark/spark-1.6.1-bin-hadoop2.6/python/pyspark/sql/dataframe.pyc in first(self)
    802         Row(age=2, name=u'Alice')
    803         """
--> 804         return self.head()
    805 
    806     @ignore_unicode_prefix

/usr/local/src/spark/spark-1.6.1-bin-hadoop2.6/python/pyspark/sql/dataframe.pyc in head(self, n)
    790         """
    791         if n is None:
--> 792             rs = self.head(1)
    793             return rs[0] if rs else None
    794         return self.take(n)

/usr/local/src/spark/spark-1.6.1-bin-hadoop2.6/python/pyspark/sql/dataframe.pyc in head(self, n)
    792             rs = self.head(1)
    793             return rs[0] if rs else None
--> 794         return self.take(n)
    795 
    796     @ignore_unicode_prefix

/usr/local/src/spark/spark-1.6.1-bin-hadoop2.6/python/pyspark/sql/dataframe.pyc in take(self, num)
    304         with SCCallSiteSync(self._sc) as css:
    305             port = self._sc._jvm.org.apache.spark.sql.execution.EvaluatePython.takeAndServe(
--> 306                 self._jdf, num)
    307         return list(_load_from_socket(port, BatchedSerializer(PickleSerializer())))
    308 

/usr/local/src/spark/spark-1.6.1-bin-hadoop2.6/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py in __call__(self, *args)
    811         answer = self.gateway_client.send_command(command)
    812         return_value = get_return_value(
--> 813             answer, self.gateway_client, self.target_id, self.name)
    814 
    815         for temp_arg in temp_args:

/usr/local/src/spark/spark-1.6.1-bin-hadoop2.6/python/pyspark/sql/utils.pyc in deco(*a, **kw)
     43     def deco(*a, **kw):
     44         try:
---> 45             return f(*a, **kw)
     46         except py4j.protocol.Py4JJavaError as e:
     47             s = e.java_exception.toString()

/usr/local/src/spark/spark-1.6.1-bin-hadoop2.6/python/lib/py4j-0.9-src.zip/py4j/protocol.py in get_return_value(answer, gateway_client, target_id, name)
    306                 raise Py4JJavaError(
    307                     "An error occurred while calling {0}{1}{2}.\n".
--> 308                     format(target_id, ".", name), value)
    309             else:
    310                 raise Py4JError(

Py4JJavaError: An error occurred while calling z:org.apache.spark.sql.execution.EvaluatePython.takeAndServe.
: org.apache.spark.SparkException: Job aborted due to stage failure: Task 2 in stage 59.0 failed 1 times, most recent failure: Lost task 2.0 in stage 59.0 (TID 1406, localhost): java.io.IOException: EOF whilst processing escape sequence
    at org.apache.commons.csv.Lexer.readEscape(Lexer.java:346)
    at org.apache.commons.csv.Lexer.parseSimpleToken(Lexer.java:200)
    at org.apache.commons.csv.Lexer.nextToken(Lexer.java:161)
    at org.apache.commons.csv.CSVParser.nextRecord(CSVParser.java:498)
    at org.apache.commons.csv.CSVParser.getRecords(CSVParser.java:365)
    at com.ibm.spark.netezza.NetezzaRecordParser.parse(NetezzaRecordParser.scala:43)
    at com.ibm.spark.netezza.NetezzaDataReader.next(NetezzaDataReader.scala:136)
    at com.ibm.spark.netezza.NetezzaRDD$$anon$1.getNext(NetezzaRDD.scala:77)
    at com.ibm.spark.netezza.NetezzaRDD$$anon$1.hasNext(NetezzaRDD.scala:106)
    at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
    at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
    at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
    at org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.write(BypassMergeSortShuffleWriter.java:126)
    at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73)
    at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
    at org.apache.spark.scheduler.Task.run(Task.scala:89)
    at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:618)
    at java.lang.Thread.run(Thread.java:785)

Driver stacktrace:
    at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1431)
    at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1419)
    at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1418)
    at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
    at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
    at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1418)
    at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:799)
    at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:799)
    at scala.Option.foreach(Option.scala:236)
    at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:799)
    at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:1640)
    at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1599)
    at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1588)
    at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48)
    at java.lang.Thread.getStackTrace(Thread.java:1117)
    at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:620)
    at org.apache.spark.SparkContext.runJob(SparkContext.scala:1832)
    at org.apache.spark.SparkContext.runJob(SparkContext.scala:1845)
    at org.apache.spark.SparkContext.runJob(SparkContext.scala:1858)
    at org.apache.spark.sql.execution.SparkPlan.executeTake(SparkPlan.scala:212)
    at org.apache.spark.sql.execution.EvaluatePython$$anonfun$takeAndServe$1.apply$mcI$sp(python.scala:126)
    at org.apache.spark.sql.execution.EvaluatePython$$anonfun$takeAndServe$1.apply(python.scala:124)
    at org.apache.spark.sql.execution.EvaluatePython$$anonfun$takeAndServe$1.apply(python.scala:124)
    at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:56)
    at org.apache.spark.sql.DataFrame.withNewExecutionId(DataFrame.scala:2086)
    at org.apache.spark.sql.execution.EvaluatePython$.takeAndServe(python.scala:124)
    at org.apache.spark.sql.execution.EvaluatePython.takeAndServe(python.scala)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:95)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
    at java.lang.reflect.Method.invoke(Method.java:507)
    at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231)
    at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381)
    at py4j.Gateway.invoke(Gateway.java:259)
    at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133)
    at py4j.commands.CallCommand.execute(CallCommand.java:79)
    at py4j.GatewayConnection.run(GatewayConnection.java:209)
    at java.lang.Thread.run(Thread.java:785)
Caused by: java.io.IOException: EOF whilst processing escape sequence
    at org.apache.commons.csv.Lexer.readEscape(Lexer.java:346)
    at org.apache.commons.csv.Lexer.parseSimpleToken(Lexer.java:200)
    at org.apache.commons.csv.Lexer.nextToken(Lexer.java:161)
    at org.apache.commons.csv.CSVParser.nextRecord(CSVParser.java:498)
    at org.apache.commons.csv.CSVParser.getRecords(CSVParser.java:365)
    at com.ibm.spark.netezza.NetezzaRecordParser.parse(NetezzaRecordParser.scala:43)
    at com.ibm.spark.netezza.NetezzaDataReader.next(NetezzaDataReader.scala:136)
    at com.ibm.spark.netezza.NetezzaRDD$$anon$1.getNext(NetezzaRDD.scala:77)
    at com.ibm.spark.netezza.NetezzaRDD$$anon$1.hasNext(NetezzaRDD.scala:106)
    at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
    at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
    at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
    at org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.write(BypassMergeSortShuffleWriter.java:126)
    at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73)
    at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
    at org.apache.spark.scheduler.Task.run(Task.scala:89)
    at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:618)
    ... 1 more


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