Github user techaddict commented on a diff in the pull request:
https://github.com/apache/spark/pull/15843#discussion_r87550799
--- Diff: python/pyspark/ml/wrapper.py ---
@@ -33,6 +33,10 @@ def __init__(self, java_obj=None):
super(JavaWrapper, self).__init__()
self._java_obj = java_obj
+ def __del__(self):
+ if SparkContext._active_spark_context:
--- End diff --
checking if there is active spark context, got this error after `quit()` in
`pyspark`
```
Exception ignored in: <bound method JavaWrapper.__del__ of
StringIndexer_4a75b9e8c92f56703aff>
Traceback (most recent call last):
File "/Users/xx/Project/Spark/python/pyspark/ml/wrapper.py", line
37, in __del__
SparkContext._active_spark_context._gateway.detach(self._java_obj)
AttributeError: 'NoneType' object has no attribute '_gateway'
Exception ignored in: <bound method JavaWrapper.__del__ of
StringIndexer_4a75b9e8c92f56703aff>
Traceback (most recent call last):
File "/Users/xx/Project/Spark/python/pyspark/ml/wrapper.py", line
37, in __del__
AttributeError: 'NoneType' object has no attribute '_gateway'
```
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