Hi Martijn, We are using 1.11.6.
Thank you for the help. On Thu, Mar 17, 2022 at 1:37 AM Martijn Visser <martijnvis...@apache.org> wrote: > Hi Tom, > > Which version of Flink are you using? > > Best regards, > > Martijn Visser > https://twitter.com/MartijnVisser82 > > > On Wed, 16 Mar 2022 at 23:59, Tom Thornton <thom...@yelp.com> wrote: > >> Per the docs <https://flink.apache.org/gettinghelp.html#found-a-bug>, >> I'm hoping to confirm whether or not an error we are seeing is a bug with >> Flink. We have a job that uses a Kafka source to read Avro records. The >> kafka source is converted into a StreamTableSource. We are using the new >> Blink table planner to execute SQL on the table stream. The output is then >> put in a sink back to kafka as Avro records. Whenever a query selects a >> column that has an avro logicalType of date, we get this error (link to full >> stack trace <https://pastebin.com/raw/duQaTAh6>). >> >> Caused by: java.lang.ClassCastException: class java.sql.Date cannot be cast >> to class java.time.LocalDate (java.sql.Date is in module java.sql of loader >> 'platform'; java.time.LocalDate is in module java.base of loader 'bootstrap') >> at >> org.apache.flink.api.common.typeutils.base.LocalDateSerializer.copy(LocalDateSerializer.java:30) >> at >> org.apache.flink.api.java.typeutils.runtime.RowSerializer.copy(RowSerializer.java:128) >> at >> org.apache.flink.api.java.typeutils.runtime.RowSerializer.copy(RowSerializer.java:61) >> at >> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:755) >> at >> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:732) >> at >> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:712) >> at >> org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:50) >> at >> org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:28) >> at >> org.apache.flink.streaming.api.operators.StreamMap.processElement(StreamMap.java:38) >> at >> org.apache.flink.streaming.runtime.tasks.OneInputStreamTask$StreamTaskNetworkOutput.emitRecord(OneInputStreamTask.java:158) >> at >> org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.processElement(StreamTaskNetworkInput.java:191) >> at >> org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.emitNext(StreamTaskNetworkInput.java:162) >> at >> org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:65) >> at >> org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:374) >> at >> org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:190) >> at >> org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:608) >> at >> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:574) >> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:752) >> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:569) >> at java.base/java.lang.Thread.run(Thread.java:829) >> >> >> The avro schema definition for a date field is as follows: >> >> { >> "name": "date", >> "type": { >> "type": "int", >> "logicalType": "date" >> }, >> "doc": "date" >> }, >> >> Any query that selects a date column would produce the error (and any query >> without a column with type date will work). Example of a query that causes >> the error: >> >> select `date` from table1 >> >> As suggested in the docs, I also tried this with parent-first loading and >> got the same error. When we run the same job without the Blink table >> planner, i.e., useOldPlanner(), we do not get this error. Is this a bug with >> Flink? Or is there something we can change in the application code to >> prevent this error? Any help/suggestions would be appreciated. >> >>
