我觉得这应该是个 bug,已创建 issue: https://issues.apache.org/jira/browse/FLINK-20470

On Wed, 2 Dec 2020 at 18:02, [email protected] <[email protected]>
wrote:

> <
> http://apache-flink.147419.n8.nabble.com/file/t1146/QQ%E6%88%AA%E5%9B%BE111.jpg>
>
>
> <
> http://apache-flink.147419.n8.nabble.com/file/t1146/%E6%97%A0%E6%A0%87%E9%A2%981211.png
> >
> Caused by: java.io.IOException: Failed to deserialize JSON ''.
>         at
>
> org.apache.flink.formats.json.JsonRowDataDeserializationSchema.deserialize(JsonRowDataDeserializationSchema.java:126)
> ~[flink-json-1.11.2.jar:1.11.2]
>         at
>
> org.apache.flink.formats.json.JsonRowDataDeserializationSchema.deserialize(JsonRowDataDeserializationSchema.java:76)
> ~[flink-json-1.11.2.jar:1.11.2]
>         at
>
> org.apache.flink.api.common.serialization.DeserializationSchema.deserialize(DeserializationSchema.java:81)
> ~[flink-dist_2.11-1.11.2.jar:1.11.2]
>         at
>
> org.apache.flink.streaming.connectors.kafka.internals.KafkaDeserializationSchemaWrapper.deserialize(KafkaDeserializationSchemaWrapper.java:56)
> ~[flink-sql-connector-kafka_2.11-1.11.2.jar:1.11.2]
>         at
>
> org.apache.flink.streaming.connectors.kafka.internal.KafkaFetcher.partitionConsumerRecordsHandler(KafkaFetcher.java:181)
> ~[flink-sql-connector-kafka_2.11-1.11.2.jar:1.11.2]
>         at
>
> org.apache.flink.streaming.connectors.kafka.internal.KafkaFetcher.runFetchLoop(KafkaFetcher.java:141)
> ~[flink-sql-connector-kafka_2.11-1.11.2.jar:1.11.2]
>         at
>
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.run(FlinkKafkaConsumerBase.java:755)
> ~[flink-sql-connector-kafka_2.11-1.11.2.jar:1.11.2]
>         at
>
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:100)
> ~[flink-dist_2.11-1.11.2.jar:1.11.2]
>         at
>
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:63)
> ~[flink-dist_2.11-1.11.2.jar:1.11.2]
>         at
>
> org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:213)
> ~[flink-dist_2.11-1.11.2.jar:1.11.2]
> Caused by: java.lang.ClassCastException:
>
> org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.node.MissingNode
> cannot be cast to
>
> org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.node.ObjectNode
>
>
>
>
>
>
>
>
> --
> Sent from: http://apache-flink.147419.n8.nabble.com/
>

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