I believe he's referencing this:
https://logging.apache.org/log4j/2.x/manual/extending.html#Custom_ContextDataInjector
On 22 March 2017 at 14:48, Christian <christ...@myvm.de> wrote:
> Thanks Matt and Ralph!
>
> I also thought if it is possible to use the %replace pattern for this
> purpose. I think I will give this a try.
>
>
> @Ralph: What do you mean with "Data Injection stuff"? Do you have any link
> a documentation with information about this?
>
>
> Best regards,
>
> Christian
>
>
>
> Am 22.03.2017 um 19:55 schrieb Ralph Goers:
>
>> If userNumber does not exist in the ThreadContext then nothing will be
>> included in the display. I am not aware that we have implemented any way
>> to specify a default value for this, but with the Data Injection stuff that
>> was added a few releases ago it might be possible.
>>
>> Ralph
>>
>> On Mar 22, 2017, at 11:33 AM, Christian <christ...@myvm.de> wrote:
>>>
>>> Hi all,
>>>
>>> with the pattern /%X{userNumber}/ I am able to display a value I stored
>>> in the thread context.
>>>
>>> Is there any possibilty to display an alternative value if nothing was
>>> found and/or an empty value was stored under the key I'm suing (in this
>>> case /userNumber/).
>>>
>>>
>>> Thanks and best regards,
>>>
>>> Christian
>>>
>>>
>>
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--
Matt Sicker <boa...@gmail.com>
