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    via netty.io by Unknown author

    Needs to add netty-transport-native-epoll with a OS classifier to the classpath, it's not included in netty-all

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via Stack Overflow by static-max
, 1 year ago
Could not deserialize NFA. at org.apache.flink.api.java.typeutils.runtime.JavaSerializer.deserialize(JavaSerializer.java:86)
java.lang.ClassNotFoundException: org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartition	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:348)	at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:626)	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1613)	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1518)	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1774)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2000)	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924)	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)	at org.apache.flink.api.java.typeutils.runtime.JavaSerializer.deserialize(JavaSerializer.java:83)	at org.apache.flink.api.java.typeutils.runtime.JavaSerializer.deserialize(JavaSerializer.java:31)	at org.apache.flink.runtime.state.DefaultOperatorStateBackend.getPartitionableState(DefaultOperatorStateBackend.java:107)	at org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.initializeState(FlinkKafkaConsumerBase.java:323)	at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.open(AbstractUdfStreamOperator.java:105)	at org.apache.flink.streaming.runtime.tasks.StreamTask.openAllOperators(StreamTask.java:396)	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:269)	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:608)	at java.lang.Thread.run(Thread.java:745)