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[jira] [Created] (FLINK-10299) RowSerializer.copy data value cast exception


ambition created FLINK-10299:
--------------------------------

             Summary: RowSerializer.copy data value cast exception
                 Key: FLINK-10299
                 URL: https://issues.apache.org/jira/browse/FLINK-10299
             Project: Flink
          Issue Type: Bug
          Components: Core
    Affects Versions: 1.6.0
            Reporter: ambition
         Attachments: image-2018-09-07-17-47-04-343.png

Flink sql deal with User behavior data collection, such as:
{code:java}
{
    "event_id": "session_start",
    "timestamp": "-",    // error data,
    "viewport_height": "667",
     "viewport_width": "-"    //error data
}
{code}
Causing exception info :
{code:java}
2018-09-07 10:47:01,834 [flink-akka.actor.default-dispatcher-2] INFO executiongraph.ExecutionGraph (ExecutionGraph.java:tryRestartOrFail(1511)) - Could not restart the job Flink Streaming Job (6f0248219c631158f6e38f2dca0beb91) because the restart strategy prevented it.
java.lang.ClassCastException: java.lang.String cannot be cast to java.sql.Timestamp
at org.apache.flink.api.common.typeutils.base.SqlTimestampSerializer.copy(SqlTimestampSerializer.java:27)
at org.apache.flink.api.java.typeutils.runtime.RowSerializer.copy(RowSerializer.java:95)
at org.apache.flink.api.java.typeutils.runtime.RowSerializer.copy(RowSerializer.java:46)
at org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:577)
at org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:554)
at org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:534)
at org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:689)
at org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:667)
at org.apache.flink.streaming.api.operators.StreamSourceContexts$NonTimestampContext.collect(StreamSourceContexts.java:104)
at org.apache.flink.streaming.api.operators.StreamSourceContexts$NonTimestampContext.collectWithTimestamp(StreamSourceContexts.java:111)
at org.apache.flink.streaming.connectors.kafka.internals.AbstractFetcher.emitRecordWithTimestamp(AbstractFetcher.java:398)
at org.apache.flink.streaming.connectors.kafka.internal.Kafka010Fetcher.emitRecord(Kafka010Fetcher.java:89)
at org.apache.flink.streaming.connectors.kafka.internal.Kafka09Fetcher.runFetchLoop(Kafka09Fetcher.java:154)
at org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.run(FlinkKafkaConsumerBase.java:738)
at org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:87)
at org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:56)
at org.apache.flink.streaming.runtime.tasks.SourceStreamTask.run(SourceStreamTask.java:99)
at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:300)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:711)
at java.lang.Thread.run(Thread.java:748)
2018-09-07 10:47:01,834 [flink-akka.actor.default-dispatcher-2] INFO checkpoint.CheckpointCoordinator (CheckpointCoordinator.java:shutdown(320)) - Stopping checkpoint coordinator for job 6f0248219c631158f6e38f2dca0beb91.
2018-09-07 10:47:01,834 [flink-akka.actor.default-dispatcher-2] INFO checkpoint.StandaloneCompletedCheckpointStore (StandaloneCompletedCheckpointStore.java:shutdown(102)) - Shutting down
{code}
we use Flink  checkpoint function and Uncatch exception lead to  Could not restart this job,  so we just simple ,hope flink commiter provide better solution。

!image-2018-09-07-17-47-04-343.png!

 



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