[GitHub] [flink] wangyang0918 commented on issue #10678: [FLINK-15355][plugin] Remove parent first from plugin classloader.

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wangyang0918 commented on issue #10678: [FLINK-15355][plugin] Remove parent first from plugin classloader.
URL: https://github.com/apache/flink/pull/10678#issuecomment-570166737
 
 
   Hi @pnowojski, i think we should use `parent loaded first` for user jars to avoid the class conflict and some fixed bugs of flink new version. However, for plugin jars, i do not think we need to do the same behavior. It will be better if we will delegate the `always-parent-first-pattern` configuration to each plugin implementation. Every plugin could decide which packages need to always load from parent.
   
   Otherwise, if we have two plugins and they have the different `always-parent-first-pattern`, we will have no idea how to deal with this.

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