[jira] [Closed] (JAMES-2199) Improve usage of SLF4J

["Antoine Duprat (JIRA)" <se...@james.apache.org>]

     [ https://issues.apache.org/jira/browse/JAMES-2199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Duprat closed JAMES-2199.
---------------------------------

> Improve usage of SLF4J
> ----------------------
>
>                 Key: JAMES-2199
>                 URL: https://issues.apache.org/jira/browse/JAMES-2199
>             Project: James Server
>          Issue Type: Improvement
>            Reporter: Daniel Trebbien
>            Priority: Minor
>
> As suggested in the SLF4J FAQ (see [https://www.slf4j.org/faq.html#logging_performance]) parameterized logging can improve the efficiency of logger calls when logging at the specified level is disabled.
> When a value is formatted, toString() is called automatically: [https://www.slf4j.org/faq.html#string_contents]
> In addition, there are some cases where a format string has incorrect syntax, or not enough format args are passed. This can lead to loss of data in the logs.
> There are some other cases where the result of String.format() or a string buffer/builder are passed to a logger call. Parameterized logging can be used even when an extra exception/throwable should be logged: [https://www.slf4j.org/faq.html#paramException]
> James Project uses SLF4J 1.7.25, which is affected by a regression introduced in SLF4J 1.7.15. See: [http://mailman.qos.ch/pipermail/slf4j-user/2017-August/001639.html]



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