Ganesh Krishnan created ZEPPELIN-1589:
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Summary: println does not execute inside of map
Key: ZEPPELIN-1589
URL: https://issues.apache.org/jira/browse/ZEPPELIN-1589
Project: Zeppelin
Issue Type: Bug
Affects Versions: 0.7.0
Environment: Ubuntu
Reporter: Ganesh Krishnan
Priority: Minor
Example Scala Script being run
{{ val df = sqlContext.read.parquet("/shoten/output/word2vec")
df.show(1,true)
df.rdd.map(
row=>{
println(s"row is $row")
("1")
}
).count()
println("Finished")
}}
Output:
{{ df: org.apache.spark.sql.DataFrame = [title: string, words: array<string>
... 3 more fields]
+------------------+--------------------+--------------------+--------------------+--------------------+
| title| words| rawFeatures|
features| result|
+------------------+--------------------+--------------------+--------------------+--------------------+
|Nicomachean Ethics|[nicomachean,
eth...|(262144,[14,170,6...|(262144,[14,170,6...|[0.03267941124305...|
+------------------+--------------------+--------------------+--------------------+--------------------+
only showing top 1 row
res160: Long = 5255
Finished }}
The println statement inside map is never printed although it prints in a scala
script file
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