flink版本 1.15

报错内容

2023-08-17 15:46:02
java.lang.RuntimeException: Could not instantiate generated class 'WatermarkGenerator$0'at org.apache.flink.table.runtime.generated.GeneratedClass.newInstance(GeneratedClass.java:74)at org.apache.flink.table.runtime.generated.GeneratedWatermarkGeneratorSupplier.createWatermarkGenerator(GeneratedWatermarkGeneratorSupplier.java:62)at org.apache.flink.streaming.api.operators.source.ProgressiveTimestampsAndWatermarks.createMainOutput(ProgressiveTimestampsAndWatermarks.java:104)at org.apache.flink.streaming.api.operators.SourceOperator.initializeMainOutput(SourceOperator.java:426)at org.apache.flink.streaming.api.operators.SourceOperator.emitNextNotReading(SourceOperator.java:402)at org.apache.flink.streaming.api.operators.SourceOperator.emitNext(SourceOperator.java:387)at org.apache.flink.streaming.runtime.io.StreamTaskSourceInput.emitNext(StreamTaskSourceInput.java:68)at org.apache.fl