[logback-user] Some questions about DBAppender of the logback

Ceki Gulcu ceki at qos.ch
Mon Mar 14 12:29:02 UTC 2016

Hello Yun,

DBAppender sends the value returned by System.currentMillis(), a value 
of type long, as the timestamp value to MySql. There is no pattern to be 
specified for DBAppender. The output format for the date should be 
specified at query-time, i.e. in select from...

I hope this helps,


On 3/14/2016 7:35, Yun He wrote:
> Hi,everyone,
> Following is my logback.xml about implement DBAppender just to storage
> the log message to mysql database.
>   <appender name="DB" class="ch.qos.logback.classic.db.DBAppender">
>        <connectionSource
> class="ch.qos.logback.core.db.DriverManagerConnectionSource">
>            <driverClass>com.mysql.jdbc.Driver</driverClass>
>            <url>jdbc:MySQL://
> <></url>
>            <user>root</user>
>            <password>root</password>
>        </connectionSource>
>    </appender>
> then: The following is the result ,the log message was storage in the
> mysql database,but the "timestmp" filed in the table named logging_event
> ,the timestmp's pattern is not as{HH:mm:ss.SSS} just as the
> consoleAppender,can I transform it's pattern to {HH:mm:ss:SSS} ? Could
> you please give me some help?I have tried add <encoder>
> <pattern>%d{HH:mm:ss.SSS}</pattern></encoder> as the ConsoleAppender's
> logback.xml,but I failed.

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