[ https://issues.apache.org/jira/browse/FLINK-21278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Flink Jira Bot updated FLINK-21278: ----------------------------------- Labels: auto-deprioritized-critical auto-deprioritized-major auto-deprioritized-minor pull-request-available (was: auto-deprioritized-critical auto-deprioritized-major pull-request-available stale-minor) Priority: Not a Priority (was: Minor) This issue was labeled "stale-minor" 7 days ago and has not received any updates so it is being deprioritized. If this ticket is actually Minor, please raise the priority and ask a committer to assign you the issue or revive the public discussion. > NullpointExecption error is reported when using the evictor method to filter > the data before the window calculation > ------------------------------------------------------------------------------------------------------------------- > > Key: FLINK-21278 > URL: https://issues.apache.org/jira/browse/FLINK-21278 > Project: Flink > Issue Type: Bug > Components: API / DataStream > Affects Versions: 1.12.1 > Reporter: HunterHunter > Priority: Not a Priority > Labels: auto-deprioritized-critical, auto-deprioritized-major, > auto-deprioritized-minor, pull-request-available > > When I use evictor() method to filter the data before a window is triggered, > if there is no data that meets the conditions, a nullpointExecption error > will be reported. > This problem occurs in the ReduceApplyWindowFunction.apply method. > So I think if there is no data to calculate whether it can not trigger the > calculation, or judge whether it is null before transmitting the calculation > result -- This message was sent by Atlassian Jira (v8.20.10#820010)