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https://issues.apache.org/jira/browse/FLINK-2868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu resolved FLINK-2868.
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Resolution: Not A Problem
> Missing null check for operatorChain in StreamTask#invoke()
> -----------------------------------------------------------
>
> Key: FLINK-2868
> URL: https://issues.apache.org/jira/browse/FLINK-2868
> Project: Flink
> Issue Type: Bug
> Reporter: Ted Yu
>
> {code}
> // release the output resources. this method should never fail.
> if (operatorChain != null) {
> operatorChain.releaseOutputs();
> }
> ...
> if (!disposed) {
> disposeAllOperators();
> }
> {code}
> If operatorChain is null, disposeAllOperators() shouldn't be called where
> operatorChain.getAllOperators() is called.
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