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https://issues.apache.org/jira/browse/FLINK-24654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jingsong Lee closed FLINK-24654.
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Resolution: Fixed
master: 2ae9c4db0a00ab08c85f0813e473c8f1fce141ea
> NPE on RetractableTopNFunction when some records were cleared by state ttl
> ---------------------------------------------------------------------------
>
> Key: FLINK-24654
> URL: https://issues.apache.org/jira/browse/FLINK-24654
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Runtime
> Affects Versions: 1.14.0, 1.13.3
> Reporter: lincoln lee
> Assignee: lincoln lee
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.15.0
>
>
> NullPointerException will occurr when some records were cleared by the state
> ttl.
> stack:
> {quote}java.lang.NullPointerExceptionjava.lang.NullPointerException at
> org.apache.flink.table.runtime.operators.rank.RetractableTopNFunction.retractRecordWithRowNumber(RetractableTopNFunction.java:379)
> at
> org.apache.flink.table.runtime.operators.rank.RetractableTopNFunction.processElement(RetractableTopNFunction.java:175)
> at
> org.apache.flink.table.runtime.operators.rank.RetractableTopNFunction.processElement(RetractableTopNFunction.java:54)
> at
> org.apache.flink.streaming.api.operators.KeyedProcessOperator.processElement(KeyedProcessOperator.java:83)
> at
> org.apache.flink.streaming.util.OneInputStreamOperatorTestHarness.processElement(OneInputStreamOperatorTestHarness.java:209)
> at
> org.apache.flink.table.planner.runtime.harness.RankHarnessTest.testRetractRankWithRowNumber(RankHarnessTest.scala:111)
> {quote}
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