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From "Yin Huai (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-16515) [SPARK][SQL] transformation script got failure for python script
Date Mon, 18 Jul 2016 21:00:22 GMT

     [ https://issues.apache.org/jira/browse/SPARK-16515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yin Huai resolved SPARK-16515.
------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

Issue resolved by pull request 14249
[https://github.com/apache/spark/pull/14249]

> [SPARK][SQL] transformation script got failure for python script
> ----------------------------------------------------------------
>
>                 Key: SPARK-16515
>                 URL: https://issues.apache.org/jira/browse/SPARK-16515
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.0.0
>            Reporter: Yi Zhou
>            Priority: Critical
>             Fix For: 2.0.0
>
>
> Run below SQL and get transformation script error for python script like below error
message.
> Query SQL:
> {code}
> CREATE VIEW q02_spark_sql_engine_validation_power_test_0_temp AS
> SELECT DISTINCT
>   sessionid,
>   wcs_item_sk
> FROM
> (
>   FROM
>   (
>     SELECT
>       wcs_user_sk,
>       wcs_item_sk,
>       (wcs_click_date_sk * 24 * 60 * 60 + wcs_click_time_sk) AS tstamp_inSec
>     FROM web_clickstreams
>     WHERE wcs_item_sk IS NOT NULL
>     AND   wcs_user_sk IS NOT NULL
>     DISTRIBUTE BY wcs_user_sk
>     SORT BY
>       wcs_user_sk,
>       tstamp_inSec -- "sessionize" reducer script requires the cluster by uid and sort
by tstamp
>   ) clicksAnWebPageType
>   REDUCE
>     wcs_user_sk,
>     tstamp_inSec,
>     wcs_item_sk
>   USING 'python q2-sessionize.py 3600'
>   AS (
>     wcs_item_sk BIGINT,
>     sessionid STRING)
> ) q02_tmp_sessionize
> CLUSTER BY sessionid
> {code}
> Error Message:
> {code}
> 16/07/06 16:59:02 WARN scheduler.TaskSetManager: Lost task 5.0 in stage 157.0 (TID 171,
hw-node5): org.apache.spark.SparkException: Subprocess exited with status 1. Error: Traceback
(most recent call last):
>   File "q2-sessionize.py", line 49, in <module>
>     user_sk, tstamp_str, item_sk  = line.strip().split("\t")
> ValueError: too many values to unpack
> 	at org.apache.spark.sql.hive.execution.ScriptTransformation$$anon$1.checkFailureAndPropagate(ScriptTransformation.scala:144)
> 	at org.apache.spark.sql.hive.execution.ScriptTransformation$$anon$1.hasNext(ScriptTransformation.scala:192)
> 	at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
> 	at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIterator.agg_doAggregateWithKeys$(Unknown
Source)
> 	at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIterator.processNext(Unknown
Source)
> 	at org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
> 	at org.apache.spark.sql.execution.WholeStageCodegenExec$$anonfun$8$$anon$1.hasNext(WholeStageCodegenExec.scala:370)
> 	at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
> 	at org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.write(BypassMergeSortShuffleWriter.java:125)
> 	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:79)
> 	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:47)
> 	at org.apache.spark.scheduler.Task.run(Task.scala:85)
> 	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:274)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.spark.SparkException: Subprocess exited with status 1. Error: Traceback
(most recent call last):
>   File "q2-sessionize.py", line 49, in <module>
>     user_sk, tstamp_str, item_sk  = line.strip().split("\t")
> ValueError: too many values to unpack
> 	at org.apache.spark.sql.hive.execution.ScriptTransformation$$anon$1.checkFailureAndPropagate(ScriptTransformation.scala:144)
> 	at org.apache.spark.sql.hive.execution.ScriptTransformation$$anon$1.hasNext(ScriptTransformation.scala:181)
> 	... 14 more
> 16/07/06 16:59:02 INFO scheduler.TaskSetManager: Lost task 7.0 in stage 157.0 (TID 173)
on executor hw-node5: org.apache.spark.SparkException (Subprocess exited with status 1. Error:
Traceback (most recent call last):
>   File "q2-sessionize.py", line 49, in <module>
>     user_sk, tstamp_str, item_sk  = line.strip().split("\t")
> ValueError: too many values to unpack
> ) [duplicate 1]
> {code}



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