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Posted to dev@flink.apache.org by Jark Wu <im...@gmail.com> on 2020/03/23 12:44:17 UTC
Re: TIME/TIMESTAMP parse in Flink TABLE/SQL API
Hi Jingsong, Dawid,
I created https://issues.apache.org/jira/browse/FLINK-16725 to track this
issue. We can continue discussion there.
Best,
Jark
On Thu, 27 Feb 2020 at 10:32, Jingsong Li <ji...@gmail.com> wrote:
> Hi Jark,
>
> The matrix I see is SQL cast. If we need bring another conversion matrix
> that is different from SQL cast, I don't understand the benefits. It makes
> me difficult to understand.
> And It seems bad to change the timestamp of different time zones to the
> same value silently.
>
> I have seen a lot of timestamp formats, SQL, ISO, RFC. I can think that a
> "timestampFormat" could help them to deal with various formats.
> What way do you think can solve all the problems?
>
> Best,
> Jingsong Lee
>
> On Wed, Feb 26, 2020 at 10:45 PM Jark Wu <im...@gmail.com> wrote:
>
>> Hi Jingsong,
>>
>> I don't think it should follow SQL CAST semantics, because it is out of
>> SQL, it happens in connectors which converts users'/external's format into
>> SQL types.
>> I also doubt "timestampFormat" may not work in some cases, because the
>> timestamp format maybe various and mixed in a topic.
>>
>> Best,
>> Jark
>>
>> On Wed, 26 Feb 2020 at 22:20, Jingsong Li <ji...@gmail.com> wrote:
>>
>>> Thanks all for your discussion.
>>>
>>> Hi Dawid,
>>>
>>> +1 to apply the logic of parsing a SQL timestamp literal.
>>>
>>> I don't fully understand the matrix your list. Should this be the
>>> semantics of SQL cast?
>>> Do you mean this is implicit cast in JSON parser?
>>> I doubt that because these implicit casts are not support
>>> in LogicalTypeCasts. And it is not so good to understand when it occur
>>> silently.
>>>
>>> How about add "timestampFormat" property to JSON parser? Its default
>>> value is SQL timestamp literal format. And user can configure this.
>>>
>>> Best,
>>> Jingsong Lee
>>>
>>> On Wed, Feb 26, 2020 at 6:39 PM Jark Wu <im...@gmail.com> wrote:
>>>
>>>> Hi Dawid,
>>>>
>>>> I agree with you. If we want to loosen the format constraint, the
>>>> important piece is the conversion matrix.
>>>>
>>>> The conversion matrix you listed makes sense to me. From my
>>>> understanding,
>>>> there should be 6 combination.
>>>> We can add WITHOUT TIMEZONE => WITHOUT TIMEZONE and WITH TIMEZONE =>
>>>> WITH
>>>> TIMEZONE to make the matrix complete.
>>>> When the community reach an agreement on this, we should write it down
>>>> on
>>>> the documentation and follow the matrix in all text-based formats.
>>>>
>>>> Regarding to the RFC 3339 compatibility mode switch, it also sounds
>>>> good to
>>>> me.
>>>>
>>>> Best,
>>>> Jark
>>>>
>>>> On Wed, 26 Feb 2020 at 17:44, Dawid Wysakowicz <dw...@apache.org>
>>>> wrote:
>>>>
>>>> > Hi all,
>>>> >
>>>> > @NiYanchun Thank you for reporting this. Yes I think we could improve
>>>> the
>>>> > behaviour of the JSON format.
>>>> >
>>>> > @Jark First of all I do agree we could/should improve the
>>>> > "user-friendliness" of the JSON format (and unify the behavior across
>>>> text
>>>> > based formats). I am not sure though if it is as simple as just
>>>> ignore the
>>>> > time zone here.
>>>> >
>>>> > My suggestion would be rather to apply the logic of parsing a SQL
>>>> > timestamp literal (if the expected type is of
>>>> LogicalTypeFamily.TIMESTAMP),
>>>> > which would actually also derive the "stored" type of the timestamp
>>>> (either
>>>> > WITHOUT TIMEZONE or WITH TIMEZONE) and then apply a proper sql
>>>> conversion.
>>>> > Therefore if the
>>>> >
>>>> > parsed type | requested type |
>>>> behaviour
>>>> >
>>>> > WITHOUT TIMEZONE | WITH TIMEZONE | store the local
>>>> > timezone with the data
>>>> >
>>>> > WITHOUT TIMEZONE | WITH LOCAL TIMEZONE | do nothing in the
>>>> data,
>>>> > interpret the time in local timezone
>>>> >
>>>> > WITH TIMEZONE | WITH LOCAL TIMEZONE | convert the
>>>> timestamp
>>>> > to local timezone and drop the time zone information
>>>> >
>>>> > WITH TIMEZONE | WITHOUT TIMEZONE | drop the time
>>>> zone
>>>> > information
>>>> >
>>>> > It might just boil down to what you said "being more lenient with
>>>> regards
>>>> > to parsing the time zone". Nevertheless I think this way it is a bit
>>>> better
>>>> > defined behaviour, especially as it has a defined behaviour when
>>>> converting
>>>> > between representation with or without time zone.
>>>> >
>>>> > An implementation note. I think we should aim to base the
>>>> implementation
>>>> > on the DataTypes already rather than going back to the
>>>> TypeInformation.
>>>> >
>>>> > I would still try to leave the RFC 3339 compatibility mode, but maybe
>>>> for
>>>> > that mode it would make sense to not support any types WITHOUT
>>>> TIMEZONE?
>>>> > This would be enabled with a switch (disabled by default). As I
>>>> understand
>>>> > the RFC, making the time zone mandatory is actually a big part of the
>>>> > standard as it makes time types unambiguous.
>>>> >
>>>> > What do you think?
>>>> >
>>>> > Ps. I cross posted this on the dev ML.
>>>> >
>>>> > Best,
>>>> >
>>>> > Dawid
>>>> >
>>>> >
>>>> > On 26/02/2020 03:45, Jark Wu wrote:
>>>> >
>>>> > Yes, I'm also in favor of loosen the datetime format constraint.
>>>> > I guess most of the users don't know there is a JSON standard which
>>>> > follows RFC 3339.
>>>> >
>>>> > Best,
>>>> > Jark
>>>> >
>>>> > On Wed, 26 Feb 2020 at 10:06, NiYanchun <ni...@outlook.com>
>>>> wrote:
>>>> >
>>>> >> Yes, these Types definition are general. As a user/developer, I would
>>>> >> support “loosen it for usability”. If not, may add some explanation
>>>> >> about JSON.
>>>> >>
>>>> >>
>>>> >>
>>>> >> Original Message
>>>> >> *Sender:* Jark Wu<im...@gmail.com>
>>>> >> *Recipient:* Outlook<ni...@outlook.com>; Dawid Wysakowicz<
>>>> >> dwysakowicz@apache.org>
>>>> >> *Cc:* godfrey he<go...@gmail.com>; Leonard Xu<xbjtdcq@gmail.com
>>>> >;
>>>> >> user<us...@flink.apache.org>
>>>> >> *Date:* Wednesday, Feb 26, 2020 09:55
>>>> >> *Subject:* Re: TIME/TIMESTAMP parse in Flink TABLE/SQL API
>>>> >>
>>>> >> Hi Outlook,
>>>> >>
>>>> >> The explanation in DataTypes is correct, it is compliant to SQL
>>>> standard.
>>>> >> The problem is that JsonRowDeserializationSchema only support
>>>> RFC-3339.
>>>> >> On the other hand, CsvRowDeserializationSchema supports to parse
>>>> >> "2019-07-09 02:02:00.040".
>>>> >>
>>>> >> So the question is shall we insist on the RFC-3339 "standard"? Shall
>>>> we
>>>> >> loosen it for usability?
>>>> >> What do you think @Dawid Wysakowicz <dw...@apache.org> ?
>>>> >>
>>>> >> Best,
>>>> >> Jark
>>>> >>
>>>> >> On Wed, 26 Feb 2020 at 09:29, Outlook <ni...@outlook.com> wrote:
>>>> >>
>>>> >>> Thanks Godfrey and Leonard, I tried your answers, result is OK.
>>>> >>>
>>>> >>>
>>>> >>> BTW, I think if only accept such format for a long time, the TIME
>>>> and
>>>> >>> TIMESTAMP methods' doc in `org.apache.flink.table.api.DataTypes`
>>>> may be
>>>> >>> better to update,
>>>> >>>
>>>> >>> because the document now is not what the method really support. For
>>>> >>> example,
>>>> >>>
>>>> >>>
>>>> >>> ```
>>>> >>> /**
>>>> >>> * Data type of a time WITHOUT time zone {@code TIME} with no
>>>> fractional
>>>> >>> seconds by default.
>>>> >>> *
>>>> >>> * <p>An instance consists of {@code hour:minute:second} with up to
>>>> >>> second precision
>>>> >>> * and values ranging from {@code 00:00:00} to {@code 23:59:59}.
>>>> >>> *
>>>> >>> * <p>Compared to the SQL standard, leap seconds (23:59:60 and
>>>> 23:59:61)
>>>> >>> are not supported as the
>>>> >>> * semantics are closer to {@link java.time.LocalTime}. A time WITH
>>>> time
>>>> >>> zone is not provided.
>>>> >>> *
>>>> >>> * @see #TIME(int)
>>>> >>> * @see TimeType
>>>> >>> */
>>>> >>> public static DataType TIME() {
>>>> >>> return new AtomicDataType(new TimeType());
>>>> >>>
>>>> >>> }```
>>>> >>>
>>>> >>>
>>>> >>> Thanks again.
>>>> >>>
>>>> >>> Original Message
>>>> >>> *Sender:* Leonard Xu<xb...@gmail.com>
>>>> >>> *Recipient:* godfrey he<go...@gmail.com>
>>>> >>> *Cc:* Outlook<ni...@outlook.com>; user<us...@flink.apache.org>
>>>> >>> *Date:* Tuesday, Feb 25, 2020 22:56
>>>> >>> *Subject:* Re: TIME/TIMESTAMP parse in Flink TABLE/SQL API
>>>> >>>
>>>> >>> Hi，Outlook
>>>> >>> Godfrey is right, you should follow the json format[1] when you
>>>> parse
>>>> >>> your json message.
>>>> >>> You can use following code to produce a json data-time String.
>>>> >>> ```
>>>> >>>
>>>> >>> Long time = System.currentTimeMillis();DateFormat dateFormat = new
>>>> SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");Date date = new
>>>> Date(time);String jsonSchemaDate = dateFormat.format(date);
>>>> >>>
>>>> >>> ```
>>>> >>> [1]
>>>> >>>
>>>> https://json-schema.org/understanding-json-schema/reference/string.html#dates-and-times
>>>> >>>
>>>> >>> 在 2020年2月25日，22:15，godfrey he <go...@gmail.com> 写道：
>>>> >>>
>>>> >>> hi, I find that JsonRowDeserializationSchema only supports date-time
>>>> >>> with timezone according to RFC 3339. So you need add timezone to
>>>> time data
>>>> >>> (like 14:02:00Z) and timestamp data(2019-07-09T02:02:00.040Z). Hope
>>>> it can
>>>> >>> help you.
>>>> >>>
>>>> >>> Bests,
>>>> >>> godfrey
>>>> >>>
>>>> >>> Outlook <ni...@outlook.com> 于2020年2月25日周二 下午5:49写道：
>>>> >>>
>>>> >>>> By the way, my flink version is 1.10.0.
>>>> >>>>
>>>> >>>> Original Message
>>>> >>>> *Sender:* Outlook<ni...@outlook.com>
>>>> >>>> *Recipient:* user<us...@flink.apache.org>
>>>> >>>> *Date:* Tuesday, Feb 25, 2020 17:43
>>>> >>>> *Subject:* TIME/TIMESTAMP parse in Flink TABLE/SQL API
>>>> >>>>
>>>> >>>> Hi all,
>>>> >>>>
>>>> >>>> I read json data from kafka, and print to console. When I do this,
>>>> some
>>>> >>>> error occurs when time/timestamp deserialization.
>>>> >>>>
>>>> >>>> json data in Kafka:
>>>> >>>>
>>>> >>>> ```
>>>> >>>> {
>>>> >>>> "server_date": "2019-07-09",
>>>> >>>> "server_time": "14:02:00",
>>>> >>>> "reqsndtime_c": "2019-07-09 02:02:00.040"
>>>> >>>> }
>>>> >>>> ```
>>>> >>>>
>>>> >>>> flink code:
>>>> >>>>
>>>> >>>> ```
>>>> >>>> bsTableEnv.connect(
>>>> >>>> new Kafka()
>>>> >>>> .version("universal")
>>>> >>>> .topic("xxx")
>>>> >>>> .property("bootstrap.servers", "localhost:9092")
>>>> >>>> .property("zookeeper.connect", "localhost:2181")
>>>> >>>> .property("group.id", "g1")
>>>> >>>> .startFromEarliest()
>>>> >>>> ).withFormat(
>>>> >>>> new Json()
>>>> >>>> .failOnMissingField(false)
>>>> >>>> ).withSchema(
>>>> >>>> new Schema()
>>>> >>>> .field("server_date", DataTypes.DATE())
>>>> >>>> .field("server_time", DataTypes.TIME())
>>>> >>>> .field("reqsndtime_c", DataTypes.TIMESTAMP(3))
>>>> >>>> ).inAppendMode()
>>>> >>>> .createTemporaryTable("xxx”);
>>>> >>>> ```
>>>> >>>>
>>>> >>>>
>>>> >>>> server_date with format is ok, but server_time with
>>>> DataTypes.DATE()
>>>> >>>> and reqsndtime_c with DataTypes.TIMESTAMP(3) cause error. If I
>>>> change them
>>>> >>>> to DataTypes.STRING(), everything will be OK.
>>>> >>>>
>>>> >>>> Error message:
>>>> >>>> ```
>>>> >>>> Exception in thread "main" java.util.concurrent.ExecutionException:
>>>> >>>> org.apache.flink.client.program.ProgramInvocationException: Job
>>>> failed
>>>> >>>> (JobID: 395d1ba3d41f92734d4ef25aa5f9b4a1)
>>>> >>>> at
>>>> >>>>
>>>> java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
>>>> >>>> at
>>>> >>>>
>>>> java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1895)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.execute(StreamExecutionEnvironment.java:1640)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.streaming.api.environment.LocalStreamEnvironment.execute(LocalStreamEnvironment.java:74)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.execute(StreamExecutionEnvironment.java:1620)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.table.planner.delegation.StreamExecutor.execute(StreamExecutor.java:42)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.table.api.internal.TableEnvironmentImpl.execute(TableEnvironmentImpl.java:643)
>>>> >>>> at cn.com.agree.Main.main(Main.java:122)
>>>> >>>> Caused by:
>>>> org.apache.flink.client.program.ProgramInvocationException:
>>>> >>>> Job failed (JobID: 395d1ba3d41f92734d4ef25aa5f9b4a1)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.client.deployment.ClusterClientJobClientAdapter.lambda$null$6(ClusterClientJobClientAdapter.java:112)
>>>> >>>> at
>>>> >>>>
>>>> java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602)
>>>> >>>> at
>>>> >>>>
>>>> java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577)
>>>> >>>> at
>>>> >>>>
>>>> java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
>>>> >>>> at
>>>> >>>>
>>>> java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.concurrent.FutureUtils$1.onComplete(FutureUtils.java:874)
>>>> >>>> at akka.dispatch.OnComplete.internal(Future.scala:264)
>>>> >>>> at akka.dispatch.OnComplete.internal(Future.scala:261)
>>>> >>>> at akka.dispatch.japi$CallbackBridge.apply(Future.scala:191)
>>>> >>>> at akka.dispatch.japi$CallbackBridge.apply(Future.scala:188)
>>>> >>>> at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.concurrent.Executors$DirectExecutionContext.execute(Executors.java:74)
>>>> >>>> at
>>>> >>>>
>>>> scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:44)
>>>> >>>> at
>>>> >>>>
>>>> scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:252)
>>>> >>>> at akka.pattern.PromiseActorRef.$bang(AskSupport.scala:572)
>>>> >>>> at
>>>> >>>>
>>>> akka.pattern.PipeToSupport$PipeableFuture$$anonfun$pipeTo$1.applyOrElse(PipeToSupport.scala:22)
>>>> >>>> at
>>>> >>>>
>>>> akka.pattern.PipeToSupport$PipeableFuture$$anonfun$pipeTo$1.applyOrElse(PipeToSupport.scala:21)
>>>> >>>> at
>>>> scala.concurrent.Future$$anonfun$andThen$1.apply(Future.scala:436)
>>>> >>>> at
>>>> scala.concurrent.Future$$anonfun$andThen$1.apply(Future.scala:435)
>>>> >>>> at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36)
>>>> >>>> at
>>>> >>>>
>>>> akka.dispatch.BatchingExecutor$AbstractBatch.processBatch(BatchingExecutor.scala:55)
>>>> >>>> at
>>>> >>>>
>>>> akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:91)
>>>> >>>> at
>>>> >>>>
>>>> akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply(BatchingExecutor.scala:91)
>>>> >>>> at
>>>> >>>>
>>>> akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply(BatchingExecutor.scala:91)
>>>> >>>> at
>>>> >>>>
>>>> scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72)
>>>> >>>> at
>>>> >>>>
>>>> akka.dispatch.BatchingExecutor$BlockableBatch.run(BatchingExecutor.scala:90)
>>>> >>>> at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:40)
>>>> >>>> at
>>>> >>>>
>>>> akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(ForkJoinExecutorConfigurator.scala:44)
>>>> >>>> at
>>>> akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
>>>> >>>> at
>>>> >>>>
>>>> akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
>>>> >>>> at
>>>> akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
>>>> >>>> at
>>>> >>>>
>>>> akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
>>>> >>>> Caused by: org.apache.flink.runtime.client.JobExecutionException:
>>>> Job
>>>> >>>> execution failed.
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.jobmaster.JobResult.toJobExecutionResult(JobResult.java:147)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.client.deployment.ClusterClientJobClientAdapter.lambda$null$6(ClusterClientJobClientAdapter.java:110)
>>>> >>>> ... 31 more
>>>> >>>> Caused by: org.apache.flink.runtime.JobException: Recovery is
>>>> >>>> suppressed by NoRestartBackoffTimeStrategy
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.handleFailure(ExecutionFailureHandler.java:110)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.getFailureHandlingResult(ExecutionFailureHandler.java:76)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.scheduler.DefaultScheduler.handleTaskFailure(DefaultScheduler.java:192)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.scheduler.DefaultScheduler.maybeHandleTaskFailure(DefaultScheduler.java:186)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.scheduler.DefaultScheduler.updateTaskExecutionStateInternal(DefaultScheduler.java:180)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.scheduler.SchedulerBase.updateTaskExecutionState(SchedulerBase.java:484)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.jobmaster.JobMaster.updateTaskExecutionState(JobMaster.java:380)
>>>> >>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>> >>>> at
>>>> >>>>
>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>>> >>>> at
>>>> >>>>
>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>> >>>> at java.lang.reflect.Method.invoke(Method.java:498)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:279)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:194)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:74)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:152)
>>>> >>>> at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26)
>>>> >>>> at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21)
>>>> >>>> at
>>>> scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123)
>>>> >>>> at akka.japi.pf
>>>> .UnitCaseStatement.applyOrElse(CaseStatements.scala:21)
>>>> >>>> at
>>>> scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:170)
>>>> >>>> at
>>>> scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
>>>> >>>> at
>>>> scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
>>>> >>>> at akka.actor.Actor$class.aroundReceive(Actor.scala:517)
>>>> >>>> at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225)
>>>> >>>> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592)
>>>> >>>> at akka.actor.ActorCell.invoke(ActorCell.scala:561)
>>>> >>>> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258)
>>>> >>>> at akka.dispatch.Mailbox.run(Mailbox.scala:225)
>>>> >>>> at akka.dispatch.Mailbox.exec(Mailbox.scala:235)
>>>> >>>> ... 4 more
>>>> >>>> Caused by: java.io.IOException: Failed to deserialize JSON object.
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.formats.json.JsonRowDeserializationSchema.deserialize(JsonRowDeserializationSchema.java:133)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.formats.json.JsonRowDeserializationSchema.deserialize(JsonRowDeserializationSchema.java:76)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.streaming.connectors.kafka.internals.KafkaDeserializationSchemaWrapper.deserialize(KafkaDeserializationSchemaWrapper.java:45)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.streaming.connectors.kafka.internal.KafkaFetcher.runFetchLoop(KafkaFetcher.java:140)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.run(FlinkKafkaConsumerBase.java:715)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:100)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:63)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:196)
>>>> >>>> Caused by: java.time.format.DateTimeParseException: *Text
>>>> '14:02:00'
>>>> >>>> could not be parsed at index 8*
>>>> >>>> at
>>>> >>>>
>>>> java.time.format.DateTimeFormatter.parseResolved0(DateTimeFormatter.java:1949)
>>>> >>>> at
>>>> java.time.format.DateTimeFormatter.parse(DateTimeFormatter.java:1777)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.formats.json.JsonRowDeserializationSchema.convertToLocalTime(JsonRowDeserializationSchema.java:390)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.formats.json.JsonRowDeserializationSchema.lambda$wrapIntoNullableConverter$d586c97$1(JsonRowDeserializationSchema.java:236)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.formats.json.JsonRowDeserializationSchema.convertField(JsonRowDeserializationSchema.java:439)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.formats.json.JsonRowDeserializationSchema.lambda$assembleRowConverter$77f7700$1(JsonRowDeserializationSchema.java:418)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.formats.json.JsonRowDeserializationSchema.lambda$wrapIntoNullableConverter$d586c97$1(JsonRowDeserializationSchema.java:236)
>>>> >>>> at
>>>> >>>>
>>>> org.apache.flink.formats.json.JsonRowDeserializationSchema.deserialize(JsonRowDeserializationSchema.java:131)
>>>> >>>> ... 7 more
>>>> >>>>
>>>> >>>> Process finished with exit code 1
>>>> >>>> ```
>>>> >>>>
>>>> >>>> reqsndtime_c with DataTypes.TIMESTAMP(3) has similar exception. I
>>>> see
>>>> >>>> the doc, DataTypes.TIME() value range is from {@code 00:00:00}
>>>> to {@code
>>>> >>>> 23:59:59} , DataTypes.TIMESTAMP value range is from {@code
>>>> 0000-01-01
>>>> >>>> 00:00:00.000000000} to
>>>> >>>> * {@code 9999-12-31 23:59:59.999999999}. And my value is in the
>>>> range,
>>>> >>>> I don’t know why. And I see this may be bug in java 8, I change
>>>> jdk to 11,
>>>> >>>>
>>>> >>>> error still occurs.
>>>> >>>>
>>>> >>>> Can someone give me some help, thanks in advance.
>>>> >>>>
>>>> >>>
>>>> >>>
>>>>
>>>
>>>
>>> --
>>> Best, Jingsong Lee
>>>
>>
>
> --
> Best, Jingsong Lee
>