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我按照文档在flink中配置了classloader.resolve-order: parent-first
为啥执行sql还是会有一下错误:
2021-08-26 01:20:05
org.apache.flink.streaming.runtime.tasks.StreamTaskException: Cannot instantiate user function.
at org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFactory(StreamConfig.java:333)
at org.apache.flink.streaming.runtime.tasks.OperatorChain.(OperatorChain.java:145)
at org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:517)
at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:573)
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:755)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:570)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassCastException: cannot assign instance of org.apache.commons.collections.map.LinkedMap to field org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.pendingOffsetsToCommit of type org.apache.commons.collections.map.LinkedMap in instance of org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer
at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2287)
at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1417)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2293)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2211)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2069)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1573)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2287)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2211)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2069)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1573)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2287)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2211)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2069)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1573)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:431)
at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:615)
at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:600)
at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:587)
at org.apache.flink.util.InstantiationUtil.readObjectFromConfig(InstantiationUtil.java:541)
at org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFactory(StreamConfig.java:317)
... 6 more
The text was updated successfully, but these errors were encountered:
我按照文档在flink中配置了classloader.resolve-order: parent-first
为啥执行sql还是会有一下错误:
2021-08-26 01:20:05
org.apache.flink.streaming.runtime.tasks.StreamTaskException: Cannot instantiate user function.
at org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFactory(StreamConfig.java:333)
at org.apache.flink.streaming.runtime.tasks.OperatorChain.(OperatorChain.java:145)
at org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:517)
at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:573)
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:755)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:570)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassCastException: cannot assign instance of org.apache.commons.collections.map.LinkedMap to field org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.pendingOffsetsToCommit of type org.apache.commons.collections.map.LinkedMap in instance of org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer
at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2287)
at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1417)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2293)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2211)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2069)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1573)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2287)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2211)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2069)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1573)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2287)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2211)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2069)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1573)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:431)
at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:615)
at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:600)
at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:587)
at org.apache.flink.util.InstantiationUtil.readObjectFromConfig(InstantiationUtil.java:541)
at org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFactory(StreamConfig.java:317)
... 6 more
The text was updated successfully, but these errors were encountered: