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https://issues.apache.org/jira/browse/SPARK-18400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-18400:
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Assignee: Apache Spark
> NPE when resharding Kinesis Stream
> ----------------------------------
>
> Key: SPARK-18400
> URL: https://issues.apache.org/jira/browse/SPARK-18400
> Project: Spark
> Issue Type: Bug
> Components: DStreams
> Affects Versions: 1.6.2
> Environment: Spark 1.6 streaming from AWS Kinesis
> Reporter: Brian ONeill
> Assignee: Apache Spark
> Priority: Minor
>
> Occasionally, we see an NPE when we reshard our streams:
> {code}
> java.lang.NullPointerException
> at
> java.util.concurrent.ConcurrentHashMap.replaceNode(ConcurrentHashMap.java:1106)
> ~[?:1.8.0_60]
> at
> java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1097)
> ~[?:1.8.0_60]
> at
> org.apache.spark.streaming.kinesis.KinesisCheckpointer.removeCheckpointer(KinesisCheckpointer.scala:66)
> ~[spark-streaming-kinesis-asl_2.11-1.6.4-SNAPSHOT.jar:1.6.4-SNAPSHOT]
> at
> org.apache.spark.streaming.kinesis.KinesisReceiver.removeCheckpointer(KinesisReceiver.scala:245)
> ~[spark-streaming-kinesis-asl_2.11-1.6.4-SNAPSHOT.jar:1.6.4-SNAPSHOT]
> at
> org.apache.spark.streaming.kinesis.KinesisRecordProcessor.shutdown(KinesisRecordProcessor.scala:124)
> ~[spark-streaming-kinesis-asl_2.11-1.6.4-SNAPSHOT.jar:1.6.4-SNAPSHOT]
> at
> com.amazonaws.services.kinesis.clientlibrary.lib.worker.V1ToV2RecordProcessorAdapter.shutdown(V1ToV2RecordProcessorAdapter.java:48)
> ~[amazon-kinesis-client-1.6.2.jar:?]
> at
> com.amazonaws.services.kinesis.clientlibrary.lib.worker.ShutdownTask.call(ShutdownTask.java:100)
> [amazon-kinesis-client-1.6.2.jar:?]
> at
> com.amazonaws.services.kinesis.clientlibrary.lib.worker.MetricsCollectingTaskDecorator.call(MetricsCollectingTaskDecorator.java:49)
> [amazon-kinesis-client-1.6.2.jar:?]
> at
> com.amazonaws.services.kinesis.clientlibrary.lib.worker.MetricsCollectingTaskDecorator.call(MetricsCollectingTaskDecorator.java:24)
> [amazon-kinesis-client-1.6.2.jar:?]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_60]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [?:1.8.0_60]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [?:1.8.0_60]
> at java.lang.Thread.run(Thread.java:745) [?:1.8.0_60]
> {code}
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