On Fri, May 8, 2015 at 12:39 AM, Remko Popma <[email protected]> wrote:
> Ok that's a good idea. The current migration guide does not mention that > log4j-1.x MDC and NDC ( > https://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/MDC.html) > have been replaced by log4j2's ThreadContext. > Remko: Are you planning on updating the docs? Gary > > > Sent from my iPhone > > On 2015/05/08, at 14:43, Chathura Priyankara <[email protected]> > wrote: > > Hi Remko, > > Thank you very much for the explanation. > That was exactly what I needed. > I think it is better if those information can be included the log4j2 > documentation in the migrating from log4j 1.2 section because most of the > applications are still using log4j 1.2.x and need to convert to log4j2. > No need to add long descriptions but just adding feature mappings between > log4j 1.2 and log4j2 is enough I think. > > Regards, > Chathura. > > On Fri, May 8, 2015 at 10:55 AM, Remko Popma <[email protected]> > wrote: > >> Thanks for the additional detail. >> With log4j-1.x, a custom appender may have been the best solution, but it >> sounds like log4j2's built-in features provide all you need. >> >> If your application calls >> ThreadContext.put("serviceId", getServiceId()); >> ThreadContext.put("serviceName", getServiceName()); >> // etc >> >> ...then if you configure this pattern in the ConsoleAppender layout: >> <PatternLayout pattern="%d %p %m %X{serviceId} %X{serviceName}" /> >> >> ...you will see the values that your application put in the ThreadContext >> map appear in the logs. >> >> This does not require a custom appender or custom log events. >> >> Sent from my iPhone >> >> On 2015/05/08, at 14:00, Chathura Priyankara <[email protected]> >> wrote: >> >> Hi All, >> >> Thank you for the replies. >> Currently I'm migrating a large application from log4j 1.2.17 to log4j >> 2.2. >> That application has custom console appender which takes logging event >> and create custom logging events with some additional application specific >> data such as service id, service name etc. >> Then it uses custom pattern layout to log those information. >> Now I want to migrate this scenario to log4j2. >> >> Can you please provide a brief guidance on this ? >> >> Thanks! >> Chathura. >> >> On Fri, May 8, 2015 at 4:00 AM, Remko Popma <[email protected]> >> wrote: >> >>> You may not need to write a custom appender. Have you looked at the >>> ThreadContext map? Your application threads can put key-value pairs in that >>> map, and following that, all log events generated by that thread will carry >>> those key-value pairs. You can output the values with the %X pattern in >>> your pattern layout. >>> >>> Remko >>> >>> Sent from my iPhone >>> >>> On 2015/05/07, at 22:14, Chathura Priyankara <[email protected]> >>> wrote: >>> >>> Hi Beharooz, >>> >>> I want to log some application specific data such as domain, userid etc >>> using custom console appender. >>> Is this possible ? >>> >>> Thanks! >>> >>> On Thu, May 7, 2015 at 5:20 PM, Behrooz Nobakht <[email protected]> >>> wrote: >>> >>>> Hi, >>>> >>>> What is the customization that you wanna apply? >>>> >>>> Cheers, >>>> Behrooz >>>> >>>> >>>> On Thu, May 7, 2015 at 1:26 PM, Chathura Priyankara < >>>> [email protected]> wrote: >>>> >>>>> Hi devs, >>>>> >>>>> I want to create a custom console appender for log4j2 but I cannot >>>>> find any resource or sample about this. The only resource [1] is not >>>>> enough >>>>> for this. >>>>> >>>>> [1] >>>>> https://logging.apache.org/log4j/2.x/manual/extending.html#Appenders >>>>> >>>>> Can anyone provide me a sample for this ? (both configuration and >>>>> custom appender) >>>>> >>>>> Any help is appreciated. >>>>> >>>>> Thanks! >>>>> >>>>> -- >>>>> Chathura Priyankara, >>>>> Faculty of Information Technology, >>>>> University of Moratuwa. >>>>> Blog : www.codeoncloud.blogspot.com >>>>> >>>> >>>> >>>> >>>> -- >>>> -- Behrooz Nobakht >>>> >>> >>> >>> >>> -- >>> Chathura Priyankara, >>> Faculty of Information Technology, >>> University of Moratuwa. >>> Blog : www.codeoncloud.blogspot.com >>> >>> >> >> >> -- >> Chathura Priyankara, >> Faculty of Information Technology, >> University of Moratuwa. >> Blog : www.codeoncloud.blogspot.com >> >> > > > -- > Chathura Priyankara, > Faculty of Information Technology, > University of Moratuwa. > Blog : www.codeoncloud.blogspot.com > > -- E-Mail: [email protected] | [email protected] Java Persistence with Hibernate, Second Edition <http://www.manning.com/bauer3/> JUnit in Action, Second Edition <http://www.manning.com/tahchiev/> Spring Batch in Action <http://www.manning.com/templier/> Blog: http://garygregory.wordpress.com Home: http://garygregory.com/ Tweet! http://twitter.com/GaryGregory
