Gabriele Lorencini created FLINK-24102: ------------------------------------------
Summary: unknown Fields error when flink doesn't recognize a field on protobuf Key: FLINK-24102 URL: https://issues.apache.org/jira/browse/FLINK-24102 Project: Flink Issue Type: Bug Reporter: Gabriele Lorencini Using KryoSerializer for deserialize messages of kafka in Array[bytes], flink return an error with unknown fields and its necessary declare the two class below : Class<?> unmodColl = Class.forName("java.util.Collections$UnmodifiableCollection"); Class<?> unmodColl2 = Class.forName("java.util.Collections$UnmodifiableMap"); env.getConfig().addDefaultKryoSerializer(unmodColl, UnmodifiableCollectionsSerializer.class); env.getConfig().addDefaultKryoSerializer(unmodColl2, UnmodifiableCollectionsSerializer.class); I dont know if is a real problem, but i think it's necessary to review. Thanks :) -- This message was sent by Atlassian Jira (v8.3.4#803005)