GitHub user rdblue opened a pull request:
https://github.com/apache/spark/pull/16519
SPARK-19138: Don't return SparkSession for stopped SparkContext.
## What changes were proposed in this pull request?
* Update SparkSession to always return a session using the current
SparkContext
* Add SparkContext#isStopped
## How was this patch tested?
Tested that sqlContext.sql works when created after closing a Spark context:
```python
sc.stop()
sc = SparkContext(conf=SparkConf())
sqlContext = HiveContext(sc)
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rdblue/spark
SPARK-19138-pyspark-stale-spark-context
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16519.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #16519
----
commit 6d56df1e0d8c95e04eea41cd9776c72b34f9998b
Author: Ryan Blue <[email protected]>
Date: 2017-01-09T21:28:32Z
SPARK-19138: Don't return SparkSession for stopped SparkContext.
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