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From Sathi Chowdhury <Sathi.Chowdh...@elliemae.com>
Subject Flink errors out and job fails--IOException from CollectSink.open()
Date Thu, 13 Apr 2017 23:39:19 GMT
Has some one encountered this error …as I am using DataStream api to read from a kinesis
stream .This happens intermittently and flink job dies.


reamShard{streamName='dev-ingest-kinesis-us-west-2', shard='{ShardId: shardId-000000000009,HashKeyRange:
{StartingHashKey: 306254130228844617117037146688591390310,EndingHashKey: 340282366920938463463374607431768211455},SequenceNumberRange:
{StartingSequenceNumber: 49572254078827945986407789245674345090539511066904232082,}}'}, starting
state set to the restored sequence number LATEST_SEQUENCE_NUM

2017-04-13 23:28:23,471 WARN  org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer
 - Error while closing Kinesis data fetcher

java.lang.NullPointerException

    at org.apache.flink.streaming.connectors.kinesis.internals.KinesisDataFetcher.shutdownFetcher(KinesisDataFetcher.java:472)

    at org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer.cancel(FlinkKinesisConsumer.java:246)

    at org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer.close(FlinkKinesisConsumer.java:256)

    at org.apache.flink.api.common.functions.util.FunctionUtils.closeFunction(FunctionUtils.java:43)

    at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:127)

    at org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:442)

    at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:343)

    at org.apache.flink.runtime.taskmanager.Task.run(Task.java:655)

    at java.lang.Thread.run(Thread.java:745)

2017-04-13 23:28:23,471 WARN  org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer
 - Error while closing Kinesis data fetcher

java.lang.NullPointerException

    at org.apache.flink.streaming.connectors.kinesis.internals.KinesisDataFetcher.shutdownFetcher(KinesisDataFetcher.java:472)

    at org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer.cancel(FlinkKinesisConsumer.java:246)

    at org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer.close(FlinkKinesisConsumer.java:256)

    at org.apache.flink.api.common.functions.util.FunctionUtils.closeFunction(FunctionUtils.java:43)

    at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:127)

    at org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:442)

    at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:343)

    at org.apache.flink.runtime.taskmanager.Task.run(Task.java:655)

    at java.lang.Thread.run(Thread.java:745)
Any clue?
Much appreciation!
Thanks
Sathi
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