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https://issues.apache.org/jira/browse/FLINK-7979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hai Zhou UTC+8 updated FLINK-7979:
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    Description: 
I found some code that logging an exception by call __.getMessage()__.

I think the better way is to use the Logger method overloads which take 
__`Throwable`__ as a parameter.

  was:
I found some code that logging an exception, it converts the exception to 
string or call `.getMessage()`.

I think the better way is to use the Logger method overloads which take 
`Throwable` as a parameter.


> Use Log.*(Object, Throwable) overload to log exceptions
> -------------------------------------------------------
>
>                 Key: FLINK-7979
>                 URL: https://issues.apache.org/jira/browse/FLINK-7979
>             Project: Flink
>          Issue Type: Improvement
>    Affects Versions: 1.4.0
>            Reporter: Hai Zhou UTC+8
>            Assignee: Hai Zhou UTC+8
>            Priority: Critical
>             Fix For: 1.5.0
>
>
> I found some code that logging an exception by call __.getMessage()__.
> I think the better way is to use the Logger method overloads which take 
> __`Throwable`__ as a parameter.



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