Github user NicoK commented on a diff in the pull request: https://github.com/apache/flink/pull/5588#discussion_r171000868 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/api/serialization/EventSerializer.java --- @@ -107,10 +107,9 @@ else if (eventClass == CancelCheckpointMarker.class) { * * @param buffer the buffer to peak into * @param eventClass the expected class of the event type - * @param classLoader the class loader to use for custom event classes * @return whether the event class of the <tt>buffer</tt> matches the given <tt>eventClass</tt> */ - private static boolean isEvent(ByteBuffer buffer, Class<?> eventClass, ClassLoader classLoader) throws IOException { + private static boolean isEvent(ByteBuffer buffer, Class<?> eventClass) throws IOException { --- End diff -- this change qualifies for a separate JIRA ticket, not just a hotfix
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