[logback-user] Custom appender: no stack traces?

[Ceki Gülcü]

On 08/03/2011 6:36 PM, Christopher Piggott wrote:
> Hi,
> I wrote a custom appender that just writes to a circular queue:
>
> public class MemoryAppender extends AppenderBase<ILoggingEvent>  {
>     stuff
> }
>
>
> I configure it as follows:
>
>      <appender name="ringLogger" class="com.xxxxxxxx.MemoryAppender">
>          <limit>1000</limit>
>      </appender>
>
> His append NEVER receives stack traces:
>
>      public void add(ILoggingEvent loggingEntry) {
>          boolean hasStackTrace = loggingEntry.getCallerData();  /*
> always false ! */
>      }
>
> Any idea why this would be?  This appender is just about as simple as
> it can get ......
>
> --Chris

Hi Chris,

Caller data *extract* caller data from the current thread. You probably 
want getThrowableProxy() on ILoggingEvent.

Shout here if you run into further problems.

--
Ceki

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