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https://issues.apache.org/jira/browse/FLINK-13004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16873756#comment-16873756
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Jark Wu commented on FLINK-13004:
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I think the {{timestamp}} parameter should be primitive long. Thanks for
reporting this.
Could your elaborate more about why larger than 127L, the result would return
false?
> Correct the logic of needToCleanupState in
> KeyedProcessFunctionWithCleanupState
> -------------------------------------------------------------------------------
>
> Key: FLINK-13004
> URL: https://issues.apache.org/jira/browse/FLINK-13004
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Reporter: Yun Tang
> Assignee: Yun Tang
> Priority: Major
>
> Current implementation of needToCleanupState in
> KeyedProcessFunctionWithCleanupState actually has potention bug:
> {code:java}
> protected Boolean needToCleanupState(Long timestamp) throws IOException {
> if (stateCleaningEnabled) {
> Long cleanupTime = cleanupTimeState.value();
> // check that the triggered timer is the last registered processing
> time timer.
> return null != cleanupTime && timestamp == cleanupTime;
> } else {
> return false;
> }
> }
> {code}
> Please note that it directly use "==" to judge whether *Long* type timestamp
> and cleanupTime equals. However, if that value is larger than 127L, the
> result would actually return false instead of wanted true.
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