[jira] [Created] (FLINK-15744) Some TaskManager Task exception are logged as info

["Jason Kania (Jira)" <ji...@apache.org>]

Jason Kania created FLINK-15744:
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             Summary: Some TaskManager Task exception are logged as info
                 Key: FLINK-15744
                 URL: https://issues.apache.org/jira/browse/FLINK-15744
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Configuration
    Affects Versions: 1.9.1
         Environment: 1.9.1 on a recent ubuntu release
            Reporter: Jason Kania


After investigating to find the cause for a submitted job alternating between the deploying and running states, I tried setting the logging to info level and realized that some deployment exceptions were being logged as info when they really should be a warning or error level.

In particular, the following line (at line 960) of the 1.9.1 branch of the Task class logs as info:

LOG.info("{} ({}) switched from {} to {}.", taskNameWithSubtask, executionId, currentState, newState, cause);

This log line always has a non null exception cause so it would make sense to log at warning or error level for this state transition so it is more easily found.



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