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From Veit Guna <veit.g...@gmx.de>
Subject Re: Placeholder substitution in config xml
Date Mon, 04 Jan 2016 22:27:37 GMT
Thanks for the feedback!

Tracking it here: https://issues.apache.org/jira/browse/LOG4J2-1243

Cheers
Veit

Am 04.01.2016 um 22:27 schrieb Remko Popma:
> Looks like the properties lookup does not account fully for default values that are themselves
lookups. Can you create a Jira ticket for this?
>
> Thanks!
> Remko
>
> Sent from my iPhone
>
>> On 2016/01/04, at 23:56, Veit Guna <Veit.Guna@gmx.de> wrote:
>>
>> Small correction: the system property is set via "-Dmyapp.logs=foobar", of course.
>> Just a typo during posting...
>>  
>>
>>
>>
>> Gesendet: Montag, 04. Januar 2016 um 14:45 Uhr
>> Von: "Veit Guna" <Veit.Guna@gmx.de>
>> An: log4j-user@logging.apache.org
>> Betreff: Placeholder substitution in config xml
>> Hi.
>>
>> I'm using log4j 2.5 in a REST service.
>> There I would like to use the placeholder substitution to allow configuration of
the log location.
>>
>> I tried this:
>>
>> <Properties>
>> <!-- sets the path for log4j logs:
>> 1. check whether java system property myapp.logs is set. If not:
>> 2. check whether the OS environment variable MYAPP_LOGS is set. If not:
>> 3. use logs dir in the current directory
>> -->
>> <Property name="logsPath">${sys:mypapp.logs:-${env:MYAPP_LOGS:-logs}}</Property>
>> </Properties>
>>
>> This seems to work quite well with the exception, if myapp.logs is set, the path
>> ends with "}". So if I set the system property "-Depss.logs=foobar" it creates
>> the directory "foobar}" and puts the logs into that. For the ENV substitution
>> it works. It also works when NO placeholder nesting is performed. So I guess
>> the problem has something todo with that.
>>
>> Can somebody confirm seeing the same?
>>
>> Thanks
>> Veit
>>
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