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https://issues.apache.org/jira/browse/FLINK-6206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16308303#comment-16308303
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Dan Bress commented on FLINK-6206:
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This is definitely relevant in 1.2.0, without this is very hard to detect
situations when the system restarts due to an exception happening.
> As an Engineer, I want task state transition log to be warn/error for FAILURE
> scenarios
> ---------------------------------------------------------------------------------------
>
> Key: FLINK-6206
> URL: https://issues.apache.org/jira/browse/FLINK-6206
> Project: Flink
> Issue Type: Improvement
> Components: Core
> Affects Versions: 1.2.0
> Reporter: Dan Bress
> Priority: Critical
>
> If a task fails due to an exception, I would like that to be logged at a warn
> or an error level. currently its info
> {code}
> private boolean transitionState(ExecutionState currentState, ExecutionState
> newState, Throwable cause) {
> if (STATE_UPDATER.compareAndSet(this, currentState, newState)) {
> if (cause == null) {
> LOG.info("{} ({}) switched from {} to {}.",
> taskNameWithSubtask, executionId, currentState, newState);
> } else {
> LOG.info("{} ({}) switched from {} to {}.",
> taskNameWithSubtask, executionId, currentState, newState, cause);
> }
> return true;
> } else {
> return false;
> }
> }
> {code}
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