[SPARK-17261][PYSPARK] Using HiveContext after re-creating SparkContext in Spark 2.0 throws "Java.lang.illegalStateException: Cannot call methods on a stopped sparkContext" #14857
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…xt in Spark 2.0 throws "Java.lang.illegalStateException: Cannot call methods on a stopped sparkContext"
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Test build #64558 has finished for PR 14857 at commit
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@davies Could you help review it ? |
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LGTM |
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Merging into master and 2.0 |
asfgit
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Sep 2, 2016
…ext in Spark 2.0 throws "Java.lang.illegalStateException: Cannot call methods on a stopped sparkContext"
## What changes were proposed in this pull request?
Set SparkSession._instantiatedContext as None so that we can recreate SparkSession again.
## How was this patch tested?
Tested manually using the following command in pyspark shell
```
spark.stop()
spark = SparkSession.builder.enableHiveSupport().getOrCreate()
spark.sql("show databases").show()
```
Author: Jeff Zhang <zjffdu@apache.org>
Closes #14857 from zjffdu/SPARK-17261.
(cherry picked from commit ea66228)
Signed-off-by: Davies Liu <davies.liu@gmail.com>
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Awesome, we ran into this problem as well, and finally had some bandwidth to track down the cause well enough to be able to search for this pull request. Looking forward to test this in our fork. |
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What changes were proposed in this pull request?
Set SparkSession._instantiatedContext as None so that we can recreate SparkSession again.
How was this patch tested?
Tested manually using the following command in pyspark shell