Patrick Wendell created SPARK-1480:
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Summary: Chose classloader consistently inside of Spark codebase
Key: SPARK-1480
URL: https://issues.apache.org/jira/browse/SPARK-1480
Project: Spark
Issue Type: Improvement
Components: Spark Core
Reporter: Patrick Wendell
Assignee: Patrick Wendell
Fix For: 1.1.0
The Spark codebase is not always consistent on which class loader it uses when
classlaoders are explicitly passed to things like serializers.
In most cases what we want is the following behavior:
1. If there is a context classloader on the thread, use that.
2. Otherwise use the classloader that loaded Spark.
We should just have a utility function for this and call that function whenever
we need to get a classloader.
Note that SPARK-1403 is a workaround for this exact problem (it sets the
context class loader because downstream code assumes it is set). Once this gets
fixed in a more general way SPARK-1403 can be reverted.
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