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https://issues.apache.org/jira/browse/SPARK-8170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14985949#comment-14985949
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Jacob Wellington commented on SPARK-8170:
-----------------------------------------
I'm running into an issue when I'm trying to connect to spark via a django
server that connects to spark by creating a new thread. When I comment out line
225 of the context.py file in the PR it works fine. Also works fine in 1.5.1.
Exception in thread Thread-3:
Traceback (most recent call last):
File "/home/asoni/.conda/envs/py35_spark_django/lib/python3.5/threading.py",
line 923, in _bootstrap_inner
self.run()
File "/home/asoni/.conda/envs/py35_spark_django/lib/python3.5/threading.py",
line 871, in run
self._target(*self._args, **self._kwargs)
File "/home/asoni/spark-server/spark_server/spark_jobs/views.py", line 67, in
process_job
from spark_jobs.job_runner import JobRunner
File "/home/asoni/spark-server/spark_server/spark_jobs/job_runner.py", line
2, in <module>
from spark_jobs.extraction_plan_group_runner import *
File
"/home/asoni/spark-server/spark_server/spark_jobs/extraction_plan_group_runner.py",
line 1, in <module>
from spark_jobs.spark_connection import SparkConnection
File "/home/asoni/spark-server/spark_server/spark_jobs/spark_connection.py",
line 5, in <module>
class SparkConnection:
File "/home/asoni/spark-server/spark_server/spark_jobs/spark_connection.py",
line 7, in SparkConnection
sc = SparkContext(conf=conf)
File
"/home/asoni/spark-1.6.0-SNAPSHOT-bin-custom-spark/python/lib/pyspark.zip/pyspark/context.py",
line 114, in __init__
conf, jsc, profiler_cls)
File
"/home/asoni/spark-1.6.0-SNAPSHOT-bin-custom-spark/python/lib/pyspark.zip/pyspark/context.py",
line 225, in _do_init
signal.signal(signal.SIGINT, signal_handler)
File "/home/asoni/.conda/envs/py35_spark_django/lib/python3.5/signal.py",
line 47, in signal
handler = _signal.signal(_enum_to_int(signalnum), _enum_to_int(handler))
ValueError: signal only works in main thread
> Ctrl-C in pyspark shell doesn't kill running job
> ------------------------------------------------
>
> Key: SPARK-8170
> URL: https://issues.apache.org/jira/browse/SPARK-8170
> Project: Spark
> Issue Type: Sub-task
> Components: PySpark
> Affects Versions: 1.3.1
> Reporter: Ashwin Shankar
> Assignee: Ashwin Shankar
> Fix For: 1.6.0
>
>
> Hitting Ctrl-C in spark-sql(and other tools like presto) cancels any running
> job and starts a new input line on the prompt. It would be nice if pyspark
> shell also can do that. Otherwise, in case a user submits a job, say he made
> a mistake, and wants to cancel it, he needs to exit the shell and re-login to
> continue his work. Re-login can be a pain especially in Spark on yarn, since
> it takes a while to allocate AM container and initial executors.
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