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Farouk Salem commented on FLINK-3343: ------------------------------------- Thanks a lot for your reply and sorry for misunderstanding the usage of JIRA. Next time I will :) > Exception while using Kafka 0.9 connector > ------------------------------------------ > > Key: FLINK-3343 > URL: https://issues.apache.org/jira/browse/FLINK-3343 > Project: Flink > Issue Type: Improvement > Components: flink-contrib, Kafka Connector > Affects Versions: 1.00 > Reporter: Farouk Salem > > While running a job, without fault tolerance, producing data to Kafka, the > job failed due to "Batch Expired exception". I tried to increase the > "request.timeout.ms" and "max.block.ms" to 60000 instead of 30000 but still > the same problem. The only way to ride on this problem is using snapshotting. > 09:58:11,036 WARN org.apache.kafka.clients.producer.internals.Sender > - Got error produce response with correlation id 48106 on topic-partition > flinkWordCountNoFaultToleranceSmall > -2, retrying (2147483646 attempts left). Error: NETWORK_EXCEPTION > 09:58:11,036 WARN org.apache.kafka.clients.producer.internals.Sender > - Got error produce response with correlation id 48105 on topic-partition > flinkWordCountNoFaultToleranceSmall > -2, retrying (2147483646 attempts left). Error: NETWORK_EXCEPTION > 09:58:11,036 WARN org.apache.kafka.clients.producer.internals.Sender > - Got error produce response with correlation id 48104 on topic-partition > flinkWordCountNoFaultToleranceSmall > -2, retrying (2147483646 attempts left). Error: NETWORK_EXCEPTION > 09:58:11,068 ERROR org.apache.flink.streaming.runtime.tasks.StreamTask > - Caught exception while processing timer. > java.lang.RuntimeException: Could not forward element to next operator > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:319) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:300) > at > org.apache.flink.streaming.runtime.io.CollectorWrapper.collect(CollectorWrapper.java:48) > at > org.apache.flink.streaming.runtime.io.CollectorWrapper.collect(CollectorWrapper.java:29) > at > org.apache.flink.streaming.api.operators.TimestampedCollector.collect(TimestampedCollector.java:51) > at > org.apache.flink.streaming.runtime.operators.windowing.AggregatingKeyedTimePanes.evaluateWindow(AggregatingKeyedTimePanes.java:59) > at > org.apache.flink.streaming.runtime.operators.windowing.AbstractAlignedProcessingTimeWindowOperator.computeWindow(AbstractAlignedProcessingTimeWindowOperator.java:242) > at > org.apache.flink.streaming.runtime.operators.windowing.AbstractAlignedProcessingTimeWindowOperator.trigger(AbstractAlignedProcessingTimeWindowOperator.java:223) > at > org.apache.flink.streaming.runtime.tasks.StreamTask$TriggerTask.run(StreamTask.java:606) > at > java.util.concurrent.Executors$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) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.lang.RuntimeException: Could not forward element to next > operator > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:319) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:300) > at > org.apache.flink.streaming.runtime.io.CollectorWrapper.collect(CollectorWrapper.java:48) > at > org.apache.flink.streaming.runtime.io.CollectorWrapper.collect(CollectorWrapper.java:29) > at > org.apache.flink.streaming.api.operators.StreamMap.processElement(StreamMap.java:37) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:316) > ... 15 more > Caused by: java.lang.Exception: Failed to send data to Kafka: Batch Expired > at > org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerBase.checkErroneous(FlinkKafkaProducerBase.java:282) > at > org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerBase.invoke(FlinkKafkaProducerBase.java:249) > at > org.apache.flink.streaming.api.operators.StreamSink.processElement(StreamSink.java:37) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:316) > ... 20 more > Caused by: org.apache.kafka.common.errors.TimeoutException: Batch Expired > 09:58:11,084 INFO org.apache.kafka.clients.producer.KafkaProducer > - Closing the Kafka producer with timeoutMillis = 9223372036854775807 ms. -- This message was sent by Atlassian JIRA (v6.3.4#6332)