kpatelatwork commented on a change in pull request #10549: URL: https://github.com/apache/kafka/pull/10549#discussion_r616073878
########## File path: connect/runtime/src/main/java/org/apache/kafka/connect/runtime/isolation/DelegatingClassLoader.java ########## @@ -187,17 +192,24 @@ private static PluginClassLoader newPluginClassLoader( ); } - private <T> void addPlugins(Collection<PluginDesc<T>> plugins, ClassLoader loader) { + //visible for testing + <T> void addPlugins(Collection<PluginDesc<T>> plugins, ClassLoader loader) { for (PluginDesc<T> plugin : plugins) { String pluginClassName = plugin.className(); SortedMap<PluginDesc<?>, ClassLoader> inner = pluginLoaders.get(pluginClassName); + boolean pluginConflict = false; if (inner == null) { inner = new TreeMap<>(); pluginLoaders.put(pluginClassName, inner); // TODO: once versioning is enabled this line should be moved outside this if branch log.info("Added plugin '{}'", pluginClassName); + } else { + pluginConflict = true; } inner.put(plugin, loader); + if (pluginConflict) { + log.error("Detected multiple copies of plugin '{}', one of these will be used '{}'", pluginClassName, inner.keySet()); + } Review comment: @C0urante you are right, I reworked the PR after your comments, Could you please check now? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org