Hi, A job fell into a restart loop with the following exception. Is it something known? What could cause it?
Flink 1.4.2 16 Aug 2018 13:43:00,835 INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> (Filter -> Timestamps/Watermarks -> Map, Filter -> Timestamps/Watermarks -> Flat Map) (1/1) (4306448a2c99603e3e19304357158d12) switched from RUNNING to FAILED. java.lang.IllegalStateException: Could not initialize operator state backend. at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initOperatorState(AbstractStreamOperator.java:301) at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:248) at org.apache.flink.streaming.runtime.tasks.StreamTask.initializeOperators(StreamTask.java:692) at org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:679) at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:253) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:718) at java.lang.Thread.run(Thread.java:748) Caused by: com.esotericsoftware.kryo.KryoException: java.lang.IndexOutOfBoundsException: Index: 54, Size: 1 Serialization trace: topic (org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartition) at com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:125) at com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:528) at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:761) at org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:249) at org.apache.flink.api.java.typeutils.runtime.TupleSerializer.deserialize(TupleSerializer.java:136) at org.apache.flink.api.java.typeutils.runtime.TupleSerializer.deserialize(TupleSerializer.java:30) at org.apache.flink.runtime.state.DefaultOperatorStateBackend.deserializeStateValues(DefaultOperatorStateBackend.java:584) at org.apache.flink.runtime.state.DefaultOperatorStateBackend.restore(DefaultOperatorStateBackend.java:399) at org.apache.flink.streaming.runtime.tasks.StreamTask.createOperatorStateBackend(StreamTask.java:733) at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initOperatorState(AbstractStreamOperator.java:299) ... 6 more Caused by: java.lang.IndexOutOfBoundsException: Index: 54, Size: 1 at java.util.ArrayList.rangeCheck(ArrayList.java:653) at java.util.ArrayList.get(ArrayList.java:429) at com.esotericsoftware.kryo.util.MapReferenceResolver.getReadObject(MapReferenceResolver.java:42) at com.esotericsoftware.kryo.Kryo.readReferenceOrNull(Kryo.java:805) at com.esotericsoftware.kryo.Kryo.readObjectOrNull(Kryo.java:728) at com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:113) ... 15 more
