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https://issues.apache.org/jira/browse/FLINK-9982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Till Rohrmann closed FLINK-9982.
--------------------------------
Resolution: Not A Problem
Issue seems to be no longer a problem. Please re-open this issue if the it
still exists.
> NPE in EnumValueSerializer#copy
> -------------------------------
>
> Key: FLINK-9982
> URL: https://issues.apache.org/jira/browse/FLINK-9982
> Project: Flink
> Issue Type: Bug
> Components: API / Type Serialization System
> Affects Versions: 1.3.3, 1.4.1, 1.4.2, 1.5.1
> Reporter: zhangminglei
> Assignee: dalongliu
> Priority: Major
> Labels: stale-assigned
>
> When execute the flink job in flink 1.3.2 version. We met the below error.
> {code:java}
> java.lang.NullPointerException
> at
> org.apache.flink.api.scala.typeutils.EnumValueSerializer.copy(EnumValueSerializer.scala:50)
> at
> org.apache.flink.api.scala.typeutils.EnumValueSerializer.copy(EnumValueSerializer.scala:36)
> at
> org.apache.flink.api.scala.typeutils.CaseClassSerializer.copy(CaseClassSerializer.scala:101)
> at
> org.apache.flink.api.scala.typeutils.CaseClassSerializer.copy(CaseClassSerializer.scala:32)
> at
> org.apache.flink.api.common.typeutils.base.GenericArraySerializer.copy(GenericArraySerializer.java:92)
> at
> org.apache.flink.api.common.typeutils.base.GenericArraySerializer.copy(GenericArraySerializer.java:42)
> at
> org.apache.flink.api.scala.typeutils.CaseClassSerializer.copy(CaseClassSerializer.scala:101)
> at
> org.apache.flink.api.scala.typeutils.CaseClassSerializer.copy(CaseClassSerializer.scala:32)
> at
> org.apache.flink.api.scala.typeutils.CaseClassSerializer.copy(CaseClassSerializer.scala:101)
> at
> org.apache.flink.api.scala.typeutils.CaseClassSerializer.copy(CaseClassSerializer.scala:32)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:526)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:503)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:483)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:891)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:869)
> at
> org.apache.flink.streaming.api.operators.StreamSourceContexts$ManualWatermarkContext.processAndCollect(StreamSourceContexts.java:304)
> at
> org.apache.flink.streaming.api.operators.StreamSourceContexts$WatermarkContext.collect(StreamSourceContexts.java:393)
> at
> org.apache.flink.streaming.connectors.kafka.internals.AbstractFetcher.emitRecord(AbstractFetcher.java:233)
> at
> org.apache.flink.streaming.connectors.kafka.internals.SimpleConsumerThread.run(SimpleConsumerThread.java:385)
> {code}
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