logging-log4j-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Matt Sicker <boa...@gmail.com>
Subject Re: Debugging JDBC
Date Sun, 20 Jul 2014 05:14:50 GMT
That is correct in regards to the toPrintWriter(). There's a bit of
generated delegate code to create a usable call stack to get a readable
calling class from.


On 19 July 2014 23:21, Gary Gregory <garydgregory@gmail.com> wrote:

> On Sun, Jul 20, 2014 at 12:18 AM, Gary Gregory <garydgregory@gmail.com>
> wrote:
>
>> So I would expect to be able to do this:
>>
>>
>> java.sql.DriverManager.setLogWriter(LogManger.getLogger("com.foo").toPrintWriter());
>>
>> or, if Logger implments PrintWriter (a bit heavy IMO):
>>
>> java.sql.DriverManager.setLogWriter(LogManger.getLogger("com.foo"));
>>
>
> Forget this last point since PrintWriter is a class, not an interface.
>
> Adding toPrintWriter() to the public API seems OK, but it might need to be
> backed up by a bunch of code I suppose.
>
> Gary
>
>
>> ?
>>
>> Gary
>>
>>
>> On Sat, Jul 19, 2014 at 5:53 PM, Matt Sicker <boards@gmail.com> wrote:
>>
>>> Basically, you can get a PrintStream and a PrintWriter instance that
>>> uses a Logger to write to instead of an actual OutputStream or Writer. It's
>>> an additional jar, so it can be added on top of Log4j 2.
>>>
>>>
>>> On 19 July 2014 16:44, Gary Gregory <garydgregory@gmail.com> wrote:
>>>
>>>> Ah, right!
>>>>
>>>> Can't dig in now, but can that be added on top of Log4j 2 or does it
>>>> have to be integrated _in_ log4j 2?
>>>>
>>>> Gary
>>>>
>>>>
>>>> On Sat, Jul 19, 2014 at 5:12 PM, Matt Sicker <boards@gmail.com> wrote:
>>>>
>>>>> See branches/experimental/log4j-streams
>>>>>
>>>>> It's what Bruce and I worked on back when we were both newbies to
>>>>> development here.
>>>>>
>>>>>
>>>>> On 19 July 2014 16:01, Gary Gregory <garydgregory@gmail.com> wrote:
>>>>>
>>>>>> JDBC has this API:
>>>>>>
>>>>>> java.sql.DriverManager.setLogWriter(PrintWriter)
>>>>>>
>>>>>> How can we use that to log to Log4j 2?
>>>>>>
>>>>>> Gary
>>>>>>
>>>>>> --
>>>>>> E-Mail: garydgregory@gmail.com | ggregory@apache.org
>>>>>> Java Persistence with Hibernate, Second Edition
>>>>>> <http://www.manning.com/bauer3/>
>>>>>> JUnit in Action, Second Edition <http://www.manning.com/tahchiev/>
>>>>>> Spring Batch in Action <http://www.manning.com/templier/>
>>>>>> Blog: http://garygregory.wordpress.com
>>>>>> Home: http://garygregory.com/
>>>>>> Tweet! http://twitter.com/GaryGregory
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Matt Sicker <boards@gmail.com>
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> E-Mail: garydgregory@gmail.com | ggregory@apache.org
>>>> Java Persistence with Hibernate, Second Edition
>>>> <http://www.manning.com/bauer3/>
>>>> JUnit in Action, Second Edition <http://www.manning.com/tahchiev/>
>>>> Spring Batch in Action <http://www.manning.com/templier/>
>>>> Blog: http://garygregory.wordpress.com
>>>> Home: http://garygregory.com/
>>>> Tweet! http://twitter.com/GaryGregory
>>>>
>>>
>>>
>>>
>>> --
>>> Matt Sicker <boards@gmail.com>
>>>
>>
>>
>>
>> --
>> E-Mail: garydgregory@gmail.com | ggregory@apache.org
>> Java Persistence with Hibernate, Second Edition
>> <http://www.manning.com/bauer3/>
>> JUnit in Action, Second Edition <http://www.manning.com/tahchiev/>
>> Spring Batch in Action <http://www.manning.com/templier/>
>> Blog: http://garygregory.wordpress.com
>> Home: http://garygregory.com/
>> Tweet! http://twitter.com/GaryGregory
>>
>
>
>
> --
> E-Mail: garydgregory@gmail.com | ggregory@apache.org
> Java Persistence with Hibernate, Second Edition
> <http://www.manning.com/bauer3/>
> JUnit in Action, Second Edition <http://www.manning.com/tahchiev/>
> Spring Batch in Action <http://www.manning.com/templier/>
> Blog: http://garygregory.wordpress.com
> Home: http://garygregory.com/
> Tweet! http://twitter.com/GaryGregory
>



-- 
Matt Sicker <boards@gmail.com>

Mime
View raw message