Revision 39eba3053ac99f03d9df56471bae5fc5cc9f4462 authored by Kohki Nishio on 13 July 2017, 00:22:40 UTC, committed by Wenchen Fan on 13 July 2017, 00:22:53 UTC
## What changes were proposed in this pull request? `ClassLoader` will preferentially load class from `parent`. Only when `parent` is null or the load failed, that it will call the overridden `findClass` function. To avoid the potential issue caused by loading class using inappropriate class loader, we should set the `parent` of `ClassLoader` to null, so that we can fully control which class loader is used. This is take over of #17074, the primary author of this PR is taroplus . Should close #17074 after this PR get merged. ## How was this patch tested? Add test case in `ExecutorClassLoaderSuite`. Author: Kohki Nishio <taroplus@me.com> Author: Xingbo Jiang <xingbo.jiang@databricks.com> Closes #18614 from jiangxb1987/executor_classloader. (cherry picked from commit e08d06b37bc96cc48fec1c5e40f73e0bca09c616) Signed-off-by: Wenchen Fan <wenchen@databricks.com>
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