Yi Zhou created SPARK-16515:
-------------------------------
Summary: [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
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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