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xuqianjin commented on FLINK-10999: ----------------------------------- hi [~harbby] After tracking, two problems were found: 1.Proctime and rowtime can't be used together in a table, you can only use either. 2. The type returned by rowtime and proctime is timestamp, and you need to specify this type. I updated the update in detail at [https://github.com/harbby/sylph/issues/23] > Adding time multiple times causes Runtime : java.sql.Timestamp cannot be cast > to java.lang.Long > ----------------------------------------------------------------------------------------------- > > Key: FLINK-10999 > URL: https://issues.apache.org/jira/browse/FLINK-10999 > Project: Flink > Issue Type: Bug > Components: Table API & SQL > Affects Versions: 1.5.5, 1.6.2 > Reporter: ideal-hp > Priority: Major > > Caused by: java.lang.ClassCastException: java.sql.Timestamp cannot be cast to > java.lang.Long > at > org.apache.flink.api.common.typeutils.base.LongSerializer.copy(LongSerializer.java:27) > at > org.apache.flink.api.java.typeutils.runtime.RowSerializer.copy(RowSerializer.java:95) > at > org.apache.flink.api.java.typeutils.runtime.RowSerializer.copy(RowSerializer.java:46) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:577) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:554) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:534) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:689) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:667) > at > org.apache.flink.streaming.api.operators.StreamMap.processElement(StreamMap.java:41) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:579) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:554) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:534) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:689) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:667) > at > org.apache.flink.streaming.api.operators.TimestampedCollector.collect(TimestampedCollector.java:51) > at > org.apache.flink.table.runtime.CRowWrappingCollector.collect(CRowWrappingCollector.scala:37) > at > org.apache.flink.table.runtime.CRowWrappingCollector.collect(CRowWrappingCollector.scala:28) > at DataStreamCalcRule$15.processElement(Unknown Source) > at > org.apache.flink.table.runtime.CRowProcessRunner.processElement(CRowProcessRunner.scala:66) > at > org.apache.flink.table.runtime.CRowProcessRunner.processElement(CRowProcessRunner.scala:35) > at > org.apache.flink.streaming.api.operators.ProcessOperator.processElement(ProcessOperator.java:66) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:579) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:554) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:534) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:689) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:667) -- This message was sent by Atlassian JIRA (v7.6.3#76005)