zhuzhurk edited a comment on issue #10678: [FLINK-15355][plugin] Remove parent first from plugin classloader. URL: https://github.com/apache/flink/pull/10678#issuecomment-570456623 Agree with @zentol and @pnowojski that we should keep the always parent first class loading mechanism for plugins. Adding a a separate pattern config for plugins sounds reasonable. Besides that, a plugin also has its own exclude patterns (though not ready yet, see `DirectoryBasedPluginFinder#createPluginDescriptorForSubDirectory` -> `PluginDescriptor#loaderExcludePatterns`). So that each plugin can whitelist classes for their preferences. @wangyang0918
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