[jboss-dev] hibernate 3.3.0 upgrade, slf4j introduction into jbossas
Bill Burke
bburke at redhat.com
Mon May 5 16:00:27 EDT 2008
Cool. Let's delay JBoss 5 another year to complete this refactoring too...
David M. Lloyd wrote:
> Sure. Everyone uses whatever log framework they want. Then when they
> all go in to the appserver, it all just works. It's like magic!
>
> - DML
>
> On 05/05/2008 02:30 PM, Steve Ebersole wrote:
>> Can't you just use small words for those of us that aren't deployment
>> experts? :)
>>
>> On May 5, 2008, at 2:24 PM, David M. Lloyd wrote:
>>
>>> Yeah, this is the exact basis of my idea to make emulation APIs for
>>> AS/MC deployments. We could provide APIs for every logging framework
>>> known to mankind, including multiple versions of the same framework
>>> if they happen to be incompatible (if we do our deployments correctly
>>> anyway).
>>>
>>> Then the user just has to specify what logging API they use in their
>>> deployment somehow (it would be cool if we could just dynamically
>>> sniff out that info). As Scott pointed out, we also would need a way
>>> to parse all the different logging config formats. Which pretty much
>>> brings us up to date. :-)
>>>
>>> - DML
>>>
>>> On 05/05/2008 02:17 PM, Steve Ebersole wrote:
>>>> Another option might be dynamic replacement of the logging framework
>>>> with a different impl altogether. There is an example of this in
>>>> allowing code using commons-logging to remain unchanged, and a
>>>> different implementation of the commons-logging APIs to be
>>>> substituted with slf4j logging:
>>>> http://day-to-day-stuff.blogspot.com/2007/07/no-more-commons-logging.html
>>>> In fact I use this setup already in the hibernate testsuite to
>>>> account for other libraries (commons-collections, etc) which use
>>>> commons-logging and have them dynamically use my slf4j setup.
>>>> On May 5, 2008, at 8:11 AM, David M. Lloyd wrote:
>>>>> I'm a bit hazy on the details but I understand that some logging
>>>>> frameworks allow you to subclass a base logger class, and some
>>>>> don't - so if you do so it's really difficult to properly weave in
>>>>> the appropriate substitution. Last time I heard, Trustin still
>>>>> didn't have a solution to the problem.
>>>>>
>>>>> Have you already made the switch to JDK logging in the jbossas
>>>>> core? If so, is there a sensible LogManager yet?
>>>>>
>>>>> Also, do we need to do anything funky like support different
>>>>> configurations on a per-deployment basis? I am under the
>>>>> impression that Glassfish does this, but I haven't figured out the
>>>>> details yet.
>>>>>
>>>>> For configurations, I get what you're saying - though I imagine
>>>>> there's probably users out there who want to use their own logging
>>>>> framework and configuration in certain deployments, so I think we'd
>>>>> need a way to support that - maybe just by detecting the presence
>>>>> of a logging implementation in the deployment or something.
>>>>>
>>>>> Otherwise, based on what I know of the various logging
>>>>> configuration formats, we could probably just rewrite the logging
>>>>> configuration into a bean deployment that just uses the JDK logging
>>>>> API to acquire and configure Logger and Handler instances, rather
>>>>> than try to use the stupid properties system that the default
>>>>> LogManager uses.
>>>>>
>>>>> - DML
>>>>>
>>>>> On 05/04/2008 02:42 PM, Scott Stark wrote:
>>>>>> All that I can recall as a reasonable compromise was to simply
>>>>>> move to the jdk logging with the replacement logging handlers
>>>>>> based on the log4j type of appenders I ported over when previously
>>>>>> looking at this problem. Trustin has since introduced log2log, we
>>>>>> could always use jboss retro to map framework X onto the jbossas
>>>>>> core, but that does not cover the framwork X configuration files.
>>>>>> How I can see the mc and jbossas deployment framework fitting in
>>>>>> is by rewriting the logging system X config files onto the current
>>>>>> jbossas implementation if that is desired. The problem always is
>>>>>> whether the logging in question is part of a user application, or
>>>>>> a jbossas framework. In reality I only see jdk logging for the
>>>>>> server frameworks and other frameworks wanting to integrate with
>>>>>> the server logs having a jdk logger option, or an adaptor.
>>>>>> What are the log2log issues showing up?
>>>>>> David M. Lloyd wrote:
>>>>>>> Well, that's a good project, but bytecode weaving seems like a
>>>>>>> pretty heavy-duty solution to a simple problem.
>>>>>>>
>>>>>>> The basic problem is, people (within JBoss and without) are going
>>>>>>> to use the frameworks they're going to use. How much effort is
>>>>>>> it to adapt log2log (which has already run into some interesting
>>>>>>> technical dilemmas) to another framework, versus just adding
>>>>>>> another API facade? It seems like the microcontainer arch would
>>>>>>> be perfectly suited towards auto-wiring the appropriate logging API.
>>>>>>>
>>>>>>> Wouldn't it be nice if we could say, "deploy your app in
>>>>>>> JBossAS/JBossMC and it will *just work*, regardless of what
>>>>>>> logging frameworks are being used by what"?
>>>>>>>
>>>>>>> - DML
>>>>>>>
>>>>>>> On 05/02/2008 01:41 PM, Ales Justin wrote:
>>>>>>>> What about if we used this:
>>>>>>>> - https://svn.jboss.org/repos/log2log/trunk
>>>>>>>> with-in one of our deployers, and you could mark certain
>>>>>>>> deployments as being 'dragged' through Log2Log to 'clean-up'
>>>>>>>> logging?
>>>>>>>>
>>>>>>>> Steve Ebersole wrote:
>>>>>>>>> I apologize for the tone in my last response. The original
>>>>>>>>> thread was frustrating enough, and here it is being relived. I
>>>>>>>>> let that frustration get to me when I should not have.
>>>>>>>>>
>>>>>>>>> On May 2, 2008, at 12:12 PM, Steve Ebersole wrote:
>>>>>>>>>
>>>>>>>>>> I cannot help that AS seems to think that every piece of
>>>>>>>>>> technology needs to be complete re-written in house. Y'all
>>>>>>>>>> have you're own logging framework, great, add it to the other
>>>>>>>>>> 50 out there.
>>>>>>>>>>
>>>>>>>>>> The part that you are missing is that Hibernate is first and
>>>>>>>>>> foremost a standalone library. And in terms of integration, I
>>>>>>>>>> have to consider integration with many containers. I'm sure
>>>>>>>>>> they all want jboss-logging as the 'yet another logging api'
>>>>>>>>>> in their environments as well.
>>>>>>>>>>
>>>>>>>>>> I used to use commons-logging which had a very specific
>>>>>>>>>> problem that slf4j solves in a unique way *on any platform*...
>>>>>>>>>>
>>>>>>>>>> If you recall, I asked about experiences using jboss-logging
>>>>>>>>>> in environments other than within JBoss AS and (in keeping
>>>>>>>>>> with the general theme of that thread) got no replies to the
>>>>>>>>>> question asked:
>>>>>>>>>> http://lists.jboss.org/pipermail/jboss-development/2007-July/010398.html
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On May 2, 2008, at 11:30 AM, Scott Stark wrote:
>>>>>>>>>>
>>>>>>>>>>> And we said sure, introduce yet another logging api?
>>>>>>>>>>>
>>>>>>>>>>> Steve Ebersole wrote:
>>>>>>>>>>>> I initiated that very discussion on this very list almost a
>>>>>>>>>>>> year ago ;)
>>>>>>>>>>>>
>>>>>>>>>>>> On May 2, 2008, at 11:15 AM, Paul Gier wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> I upgraded this based on JBAS-5133 and Steve's request. I
>>>>>>>>>>>>> can switch it back to the old version if that's what is
>>>>>>>>>>>>> needed.
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> Scott Stark wrote:
>>>>>>>>>>>>>> Why was hibernate updated to 3.3.0 in jbossas trunk, and
>>>>>>>>>>>>>> why is this pulling in yet another logging framework? This
>>>>>>>>>>>>>> needs to be reverted, and why there has to be yet another
>>>>>>>>>>>>>> logging framework dependency brought in explained.
>>>>>>>>>>>>>> *** CONTEXTS IN ERROR: Name -> Error
>>>>>>>>>>>>>> vfsfile:/media/disk/workspace/tck5/jboss-5.0.0.CR1/server/cts/tmp/jsr88/ejb3_annotations_entity_vehicles.ear
>>>>>>>>>>>>>> -> java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>> jboss-development mailing list
>>>>>>>>>>>>>> jboss-development at lists.jboss.org
>>>>>>>>>>>>>> https://lists.jboss.org/mailman/listinfo/jboss-development
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> -----------------------------
>>>>>>>>>>>> Steve Ebersole
>>>>>>>>>>>>
>>>>>>>>>>>> Project Lead
>>>>>>>>>>>> http://hibernate.org
>>>>>>>>>>>> steve at hibernate.org
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>> jboss-development mailing list
>>>>>>>>>>>> jboss-development at lists.jboss.org
>>>>>>>>>>>> https://lists.jboss.org/mailman/listinfo/jboss-development
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> jboss-development mailing list
>>>>>>>>>>> jboss-development at lists.jboss.org
>>>>>>>>>>> https://lists.jboss.org/mailman/listinfo/jboss-development
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> -----------------------------
>>>>>>>>>> Steve Ebersole
>>>>>>>>>>
>>>>>>>>>> Project Lead
>>>>>>>>>> http://hibernate.org
>>>>>>>>>> steve at hibernate.org
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> -----------------------------
>>>>>>>>> Steve Ebersole
>>>>>>>>>
>>>>>>>>> Project Lead
>>>>>>>>> http://hibernate.org
>>>>>>>>> steve at hibernate.org
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> jboss-development mailing list
>>>>>>>>> jboss-development at lists.jboss.org
>>>>>>>>> https://lists.jboss.org/mailman/listinfo/jboss-development
>>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> jboss-development mailing list
>>>>>>>> jboss-development at lists.jboss.org
>>>>>>>> https://lists.jboss.org/mailman/listinfo/jboss-development
>>>>>>> _______________________________________________
>>>>>>> jboss-development mailing list
>>>>>>> jboss-development at lists.jboss.org
>>>>>>> https://lists.jboss.org/mailman/listinfo/jboss-development
>>>>>> _______________________________________________
>>>>>> jboss-development mailing list
>>>>>> jboss-development at lists.jboss.org
>>>>>> https://lists.jboss.org/mailman/listinfo/jboss-development
>>>>> _______________________________________________
>>>>> jboss-development mailing list
>>>>> jboss-development at lists.jboss.org
>>>>> https://lists.jboss.org/mailman/listinfo/jboss-development
>>>> -----------------------------
>>>> Steve Ebersole
>>>> Project Lead
>>>> http://hibernate.org
>>>> steve at hibernate.org
>>>> _______________________________________________
>>>> jboss-development mailing list
>>>> jboss-development at lists.jboss.org
>>>> https://lists.jboss.org/mailman/listinfo/jboss-development
>>> _______________________________________________
>>> jboss-development mailing list
>>> jboss-development at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/jboss-development
>>
>>
>> -----------------------------
>> Steve Ebersole
>>
>> Project Lead
>> http://hibernate.org
>> steve at hibernate.org
>>
>>
>>
>>
>> _______________________________________________
>> jboss-development mailing list
>> jboss-development at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/jboss-development
> _______________________________________________
> jboss-development mailing list
> jboss-development at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/jboss-development
--
Bill Burke
JBoss, a division of Red Hat
http://bill.burkecentral.com
More information about the jboss-development
mailing list