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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/07/14 08:42:00 UTC

[jira] [Commented] (SPARK-32300) toPandas with no partitions should work

    [ https://issues.apache.org/jira/browse/SPARK-32300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17157225#comment-17157225 ] 

Apache Spark commented on SPARK-32300:
--------------------------------------

User 'HyukjinKwon' has created a pull request for this issue:
https://github.com/apache/spark/pull/29098

> toPandas with no partitions should work
> ---------------------------------------
>
>                 Key: SPARK-32300
>                 URL: https://issues.apache.org/jira/browse/SPARK-32300
>             Project: Spark
>          Issue Type: Bug
>          Components: PySpark
>    Affects Versions: 2.4.6
>            Reporter: Hyukjin Kwon
>            Priority: Major
>
> {code}
> >>> spark.sparkContext.emptyRDD().toDF("col1 int").toPandas()
>   An error occurred while calling o158.getResult.
> : org.apache.spark.SparkException: Exception thrown in awaitResult:
> 	at org.apache.spark.util.ThreadUtils$.awaitResult(ThreadUtils.scala:226)
> 	at org.apache.spark.api.python.PythonServer.getResult(PythonRDD.scala:874)
> 	at org.apache.spark.api.python.PythonServer.getResult(PythonRDD.scala:870)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:498)
> 	at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
> 	at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
> 	at py4j.Gateway.invoke(Gateway.java:282)
> 	at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
> 	at py4j.commands.CallCommand.execute(CallCommand.java:79)
> 	at py4j.GatewayConnection.run(GatewayConnection.java:238)
> 	at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.NegativeArraySizeException
> 	at org.apache.spark.sql.Dataset$$anonfun$collectAsArrowToPython$1$$anonfun$apply$17.apply(Dataset.scala:3293)
> 	at org.apache.spark.sql.Dataset$$anonfun$collectAsArrowToPython$1$$anonfun$apply$17.apply(Dataset.scala:3287)
> 	at org.apache.spark.sql.Dataset$$anonfun$52.apply(Dataset.scala:3370)
> 	at org.apache.spark.sql.execution.SQLExecution$$anonfun$withNewExecutionId$1.apply(SQLExecution.scala:80)
> 	at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:127)
> 	at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:75)
> 	at org.apache.spark.sql.Dataset.org$apache$spark$sql$Dataset$$withAction(Dataset.scala:3369)
> 	at org.apache.spark.sql.Dataset$$anonfun$collectAsArrowToPython$1.apply(Dataset.scala:3287)
> 	at org.apache.spark.sql.Dataset$$anonfun$collectAsArrowToPython$1.apply(Dataset.scala:3286)
> 	at org.apache.spark.api.python.PythonRDD$$anonfun$7$$anonfun$apply$3.apply$mcV$sp(PythonRDD.scala:456)
> 	at org.apache.spark.api.python.PythonRDD$$anonfun$7$$anonfun$apply$3.apply(PythonRDD.scala:456)
> 	at org.apache.spark.api.python.PythonRDD$$anonfun$7$$anonfun$apply$3.apply(PythonRDD.scala:456)
> 	at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1360)
> 	at org.apache.spark.api.python.PythonRDD$$anonfun$7.apply(PythonRDD.scala:457)
> 	at org.apache.spark.api.python.PythonRDD$$anonfun$7.apply(PythonRDD.scala:453)
> 	at org.apache.spark.api.python.SocketFuncServer.handleConnection(PythonRDD.scala:994)
> 	at org.apache.spark.api.python.SocketFuncServer.handleConnection(PythonRDD.scala:988)
> 	at org.apache.spark.api.python.PythonServer$$anonfun$11$$anonfun$apply$9.apply(PythonRDD.scala:853)
> 	at scala.util.Try$.apply(Try.scala:192)
> 	at org.apache.spark.api.python.PythonServer$$anonfun$11.apply(PythonRDD.scala:853)
> 	at org.apache.spark.api.python.PythonServer$$anonfun$11.apply(PythonRDD.scala:852)
> 	at org.apache.spark.api.python.PythonServer$$anon$1.run(PythonRDD.scala:908)
>   warnings.warn(msg)
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "/Users/hyukjin.kwon/workspace/forked/spark/python/pyspark/sql/dataframe.py", line 2132, in toPandas
>     batches = self.toDF(*tmp_column_names)._collectAsArrow()
>   File "/Users/hyukjin.kwon/workspace/forked/spark/python/pyspark/sql/dataframe.py", line 2223, in _collectAsArrow
>     jsocket_auth_server.getResult()  # Join serving thread and raise any exceptions
>   File "/Users/hyukjin.kwon/workspace/forked/spark/python/lib/py4j-0.10.7-src.zip/py4j/java_gateway.py", line 1257, in __call__
>   File "/Users/hyukjin.kwon/workspace/forked/spark/python/pyspark/sql/utils.py", line 63, in deco
>     return f(*a, **kw)
>   File "/Users/hyukjin.kwon/workspace/forked/spark/python/lib/py4j-0.10.7-src.zip/py4j/protocol.py", line 328, in get_return_value
> py4j.protocol.Py4JJavaError: An error occurred while calling o158.getResult.
> : org.apache.spark.SparkException: Exception thrown in awaitResult:
> 	at org.apache.spark.util.ThreadUtils$.awaitResult(ThreadUtils.scala:226)
> 	at org.apache.spark.api.python.PythonServer.getResult(PythonRDD.scala:874)
> 	at org.apache.spark.api.python.PythonServer.getResult(PythonRDD.scala:870)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:498)
> 	at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
> 	at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
> 	at py4j.Gateway.invoke(Gateway.java:282)
> 	at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
> 	at py4j.commands.CallCommand.execute(CallCommand.java:79)
> 	at py4j.GatewayConnection.run(GatewayConnection.java:238)
> 	at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.NegativeArraySizeException
> 	at org.apache.spark.sql.Dataset$$anonfun$collectAsArrowToPython$1$$anonfun$apply$17.apply(Dataset.scala:3293)
> 	at org.apache.spark.sql.Dataset$$anonfun$collectAsArrowToPython$1$$anonfun$apply$17.apply(Dataset.scala:3287)
> 	at org.apache.spark.sql.Dataset$$anonfun$52.apply(Dataset.scala:3370)
> 	at org.apache.spark.sql.execution.SQLExecution$$anonfun$withNewExecutionId$1.apply(SQLExecution.scala:80)
> 	at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:127)
> 	at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:75)
> 	at org.apache.spark.sql.Dataset.org$apache$spark$sql$Dataset$$withAction(Dataset.scala:3369)
> 	at org.apache.spark.sql.Dataset$$anonfun$collectAsArrowToPython$1.apply(Dataset.scala:3287)
> 	at org.apache.spark.sql.Dataset$$anonfun$collectAsArrowToPython$1.apply(Dataset.scala:3286)
> 	at org.apache.spark.api.python.PythonRDD$$anonfun$7$$anonfun$apply$3.apply$mcV$sp(PythonRDD.scala:456)
> 	at org.apache.spark.api.python.PythonRDD$$anonfun$7$$anonfun$apply$3.apply(PythonRDD.scala:456)
> 	at org.apache.spark.api.python.PythonRDD$$anonfun$7$$anonfun$apply$3.apply(PythonRDD.scala:456)
> 	at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1360)
> 	at org.apache.spark.api.python.PythonRDD$$anonfun$7.apply(PythonRDD.scala:457)
> 	at org.apache.spark.api.python.PythonRDD$$anonfun$7.apply(PythonRDD.scala:453)
> 	at org.apache.spark.api.python.SocketFuncServer.handleConnection(PythonRDD.scala:994)
> 	at org.apache.spark.api.python.SocketFuncServer.handleConnection(PythonRDD.scala:988)
> 	at org.apache.spark.api.python.PythonServer$$anonfun$11$$anonfun$apply$9.apply(PythonRDD.scala:853)
> 	at scala.util.Try$.apply(Try.scala:192)
> 	at org.apache.spark.api.python.PythonServer$$anonfun$11.apply(PythonRDD.scala:853)
> 	at org.apache.spark.api.python.PythonServer$$anonfun$11.apply(PythonRDD.scala:852)
> 	at org.apache.spark.api.python.PythonServer$$anon$1.run(PythonRDD.scala:908)
> {code}



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