Stack trace logged on invalid submission

>
> We're reviewing the content of our logs, and finding them cluttered  
> with
> exceptions. When a user submits invalid data (with a large user base,
> often!) Orbeon still prints a full stack trace at the ERROR level,  
> despite
> this not actually being an error.
>
> This can't be fixed by fiddling with log4j, because a single Log4j  
> logger
> (from XFormsServer) is used everywhere - setting it to FATAL will  
> hide all
> sorts of real errors.
>
> I recall reporting this error some time ago, I think with a patch  
> even.
> Orbeon needs to distinguish between validation errors and actual  
> errors (as
> XForms should have in the first place!) and only log the former to  
> DEBUG -
> probably to a separate logger.
>
> In general Orbeon has very 'chatty' logging.. for example in  
> production
> XFormsServer has to be set to WARN or higher, otherwise you get two  
> lines
> logged for every user request and interaction with a form. With a  
> large user
> base this makes the log extremely difficult to use. I'd suggest  
> logging this
> sort of information at the TRACE level.
> --
> View this message in context: http://www.nabble.com/Stack-trace-logged-on-invalid-submission-tp18970934p18970934.html
> Sent from the ObjectWeb OPS - Users mailing list archive at  
> Nabble.com.
>
>
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>
> Hi Erik - great!
>
> Sorry I actually meant DEBUG instead of TRACE. I agree, fairly fine
> distinction between the two - usually easier to control things with
> different Loggers rather than the two levels.
>
> Request logs, yes I would suggest at DEBUG. Could default DEBUG on  
> for this
> logger for the default distribution since it's obviously helpful +  
> important
> when developing.
>
> Adrian
>
>
> Erik Bruchez wrote:
>>
>> Hi Adrian,
>>
>> Sorry if we broke this: a lot of changes have been going on since  
>> your
>> patch I believe.
>>
>> Re. validation errors, I committed a change so that those should now
>> show at the debug level.
>>
>> We usually use the debug level for most of the logging. We could use
>> trace instead. The boundary between trace and debug is not very  
>> clear.
>> In either case it is meant for developers.
>>
>> Regarding the request logs, would that make sense to you as debug
>> level as well?
>>
>> -Erik
>>
>> On Aug 13, 2008, at 1:47 PM, Adrian Baker wrote:
>>
>>>
>>> We're reviewing the content of our logs, and finding them cluttered
>>> with
>>> exceptions. When a user submits invalid data (with a large user  
>>> base,
>>> often!) Orbeon still prints a full stack trace at the ERROR level,
>>> despite
>>> this not actually being an error.
>>>
>>> This can't be fixed by fiddling with log4j, because a single Log4j
>>> logger
>>> (from XFormsServer) is used everywhere - setting it to FATAL will
>>> hide all
>>> sorts of real errors.
>>>
>>> I recall reporting this error some time ago, I think with a patch
>>> even.
>>> Orbeon needs to distinguish between validation errors and actual
>>> errors (as
>>> XForms should have in the first place!) and only log the former to
>>> DEBUG -
>>> probably to a separate logger.
>>>
>>> In general Orbeon has very 'chatty' logging.. for example in
>>> production
>>> XFormsServer has to be set to WARN or higher, otherwise you get two
>>> lines
>>> logged for every user request and interaction with a form. With a
>>> large user
>>> base this makes the log extremely difficult to use. I'd suggest
>>> logging this
>>> sort of information at the TRACE level.
>>> --
>>> View this message in context:
>>> http://www.nabble.com/Stack-trace-logged-on-invalid-submission-tp18970934p18970934.html
>>> Sent from the ObjectWeb OPS - Users mailing list archive at
>>> Nabble.com.
>>>
>>>
>>> --
>>> You receive this message as a subscriber of the [hidden email]
>>> mailing list.
>>> To unsubscribe: mailto:[hidden email]
>>> For general help: mailto:[hidden email]?subject=help
>>> OW2 mailing lists service home page: http://www.ow2.org/wws
>>
>> --
>> Orbeon Forms - Web Forms for the Enterprise Done the Right Way
>> http://www.orbeon.com/
>>
>>
>>
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>>
>>
>
> --
> View this message in context: http://www.nabble.com/Stack-trace-logged-on-invalid-submission-tp18970934p19191407.html
> Sent from the ObjectWeb OPS - Users mailing list archive at  
> Nabble.com.
>
>
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