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From Aristedes Maniatis <>
Subject Re: Travis errors, Was: 4.0 jenkins build failures
Date Tue, 24 May 2016 11:11:26 GMT
For the purposes of running tests I think it really doesn't matter much and if Savva already
has log4j working, then let's just do that. The only goal here is to fix Travis and that's
only so we can get access to some additional databases they make available:


On 24/05/2016 8:52pm, Andrus Adamchik wrote:
> Yeah, whichever way we bridge commons-logging, we need to do it. There are two things
to consider:
> 1. logging API used in the code (Cayenne core uses common-logging). 
> 2. logging implementation that bridges #1 and writes the logs out. Choices are: Logback,
Log4J, slf4j-simple. The first two are configurable via properties.
> I have no preference as to #2. There may be some slight benefit in switching #1 to SLF,
but this is a different discussion.
> Andrus
>> On May 24, 2016, at 1:32 PM, Savva Kolbachev <> wrote:
>> I don't know a lot about loggers, but I've tried to use the old log4j
>> instead of slf4j in
>> the test scope and it works. I could handle the behavior
>> via and files.
>> So, how about to move from slf4j to log4j for test purposes?
>> 2016-04-18 9:43 GMT+03:00 Aristedes Maniatis <>:
>>> On 18/04/2016 4:27pm, Andrus Adamchik wrote:
>>>> "mvn -q" suppresses Maven's own logging.
>>> We've already got that, but it doesn't stop much.
>>>> This leaves Cayenne's logging. To control that, we need to provide
>>> proper logging dependencies in the "test" scope. E.g. add
>>> SLF4J-to-commons-loging bridge and Logback jars, and then configure Logback
>>> to use a minimal prefix for each log line.
>>> I was proceeding on the assumption that commons-logging sends to the
>>> default Java logger when nothing else is configured. Perhaps you are right
>>> and we add log4j or slf4j to the test dependencies and then try to silence
>>> that.
>>> Ari
>>> --
>>> -------------------------->
>>> Aristedes Maniatis
>>> GPG fingerprint CBFB 84B4 738D 4E87 5E5C  5EFA EF6A 7D2E 3E49 102A
>> -- 
>> Thanks and Regards
>> Savva Kolbachev

Aristedes Maniatis
GPG fingerprint CBFB 84B4 738D 4E87 5E5C  5EFA EF6A 7D2E 3E49 102A

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