Hi Mason, Definitely! Feel free to open a PR and ping me for a review.
Cheers, Martijn On Tue, Oct 4, 2022 at 3:51 PM Mason Chen <mas.chen6...@gmail.com> wrote: > Hi Martjin, > > I notice that this question comes up quite often. Would this be a good > addition to the KafkaSource documentation? I'd be happy to contribute to > the documentation. > > Best, > Mason > > On Tue, Oct 4, 2022 at 11:23 AM Martijn Visser <martijnvis...@apache.org> > wrote: > >> Hi Robert, >> >> Based on >> https://stackoverflow.com/questions/72870074/apache-flink-restoring-state-from-checkpoint-with-changes-kafka-topic >> I think you'll need to change the UID for your KafkaSource and restart your >> job with allowNonRestoredState enabled. >> >> Best regards, >> >> Martijn >> >> On Tue, Oct 4, 2022 at 12:40 PM Robert Cullen <cinquate...@gmail.com> >> wrote: >> >>> We've changed the KafkaSource to ingest from a new topic but the old >>> name is still being referenced: >>> >>> 2022-10-04 07:03:41org.apache.flink.util.FlinkException: Global failure >>> triggered by OperatorCoordinator for 'Source: Grokfailures' (operator >>> feca28aff5a3958840bee985ee7de4d3). at >>> org.apache.flink.runtime.operators.coordination.OperatorCoordinatorHolder$LazyInitializedCoordinatorContext.failJob(OperatorCoordinatorHolder.java:553) >>> at >>> org.apache.flink.runtime.operators.coordination.RecreateOnResetOperatorCoordinator$QuiesceableContext.failJob(RecreateOnResetOperatorCoordinator.java:223) >>> at >>> org.apache.flink.runtime.source.coordinator.SourceCoordinatorContext.failJob(SourceCoordinatorContext.java:285) >>> at >>> org.apache.flink.runtime.source.coordinator.SourceCoordinatorContext.handleUncaughtExceptionFromAsyncCall(SourceCoordinatorContext.java:298) >>> at >>> org.apache.flink.util.ThrowableCatchingRunnable.run(ThrowableCatchingRunnable.java:42) >>> at >>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) >>> at java.lang.Thread.run(Thread.java:748)Caused by: >>> org.apache.flink.util.FlinkRuntimeException: Failed to handle partition >>> splits change due to at >>> org.apache.flink.connector.kafka.source.enumerator.KafkaSourceEnumerator.handlePartitionSplitChanges(KafkaSourceEnumerator.java:239) >>> at >>> org.apache.flink.runtime.source.coordinator.ExecutorNotifier.lambda$null$1(ExecutorNotifier.java:86) >>> at >>> org.apache.flink.util.ThrowableCatchingRunnable.run(ThrowableCatchingRunnable.java:40) >>> ... 3 moreCaused by: java.lang.RuntimeException: Failed to get topic >>> metadata. at >>> org.apache.flink.connector.kafka.source.enumerator.subscriber.TopicListSubscriber.getPartitionChanges(TopicListSubscriber.java:59) >>> at >>> org.apache.flink.connector.kafka.source.enumerator.KafkaSourceEnumerator.discoverAndInitializePartitionSplit(KafkaSourceEnumerator.java:212) >>> at >>> org.apache.flink.connector.kafka.source.enumerator.KafkaSourceEnumerator.lambda$start$0(KafkaSourceEnumerator.java:158) >>> at >>> org.apache.flink.runtime.source.coordinator.ExecutorNotifier.lambda$notifyReadyAsync$2(ExecutorNotifier.java:83) >>> at >>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) >>> at java.util.concurrent.FutureTask.run(FutureTask.java:266) at >>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) >>> at >>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) >>> ... 3 moreCaused by: java.util.concurrent.ExecutionException: >>> org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This >>> server does not host this topic-partition. at >>> org.apache.kafka.common.internals.KafkaFutureImpl.wrapAndThrow(KafkaFutureImpl.java:45) >>> at >>> org.apache.kafka.common.internals.KafkaFutureImpl.access$000(KafkaFutureImpl.java:32) >>> at >>> org.apache.kafka.common.internals.KafkaFutureImpl$SingleWaiter.await(KafkaFutureImpl.java:89) >>> at >>> org.apache.kafka.common.internals.KafkaFutureImpl.get(KafkaFutureImpl.java:260) >>> at >>> org.apache.flink.connector.kafka.source.enumerator.subscriber.TopicListSubscriber.getPartitionChanges(TopicListSubscriber.java:57) >>> ... 10 moreCaused by: >>> org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This >>> server does not host this topic-partition. >>> >>> >>> -- >>> Robert Cullen >>> 240-475-4490 >>> >>
