On Fri, Aug 2, 2013 at 5:56 PM, Gary Gregory <garydgreg...@gmail.com> wrote:
> On Fri, Aug 2, 2013 at 5:51 PM, Ralph Goers <ralph.go...@dslextreme.com>wrote:
>
>> We definitely need more examples. Creating some sample code might also
>> spur us to simplify APIs where we can.
>>
>
> I bet! That's a great idea.
>
It should also help us make sure what we want to be public since we'll be
bound to supporting all public APIs.
Gary
>
> Gary
>
>
>>
>> Ralph
>>
>>
>> On Aug 2, 2013, at 2:38 PM, Gary Gregory wrote:
>>
>> > Does any of this belong in the 'extending log4j' section of the manual?
>> The
>> > Javadoc?
>> >
>> > Gary
>> >
>> >
>> > On Fri, Aug 2, 2013 at 8:30 AM, Christian Grobmeier <
>> grobme...@gmail.com>wrote:
>> >
>> >> Hi,
>> >>
>> >> I looked at it (Simone provided me a patch with the current state of
>> work).
>> >>
>> >> You need to override this in the OnamiConfigurationFactory:
>> >>
>> >> @Override
>> >> public Configuration getConfiguration(final String name, final URI
>> >> configLocation) {
>> >> return getConfiguration(null);
>> >> }
>> >>
>> >> The problem is that you need a configLocation otherwise you will be
>> >> returned null which causes the NPE:
>> >>
>> >> LoggerContext line 369 in beta-8:
>> >> final Configuration instance =
>> >> ConfigurationFactory.getInstance().getConfiguration(name,
>> >> configLocation)
>> >>
>> >> This is of course unfortunate. I have debugged the whole configuration
>> >> and think its very difficult
>> >> to programmatically configure log4j without using a xml/json file. If
>> >> we have a chance to make configuration easier,
>> >> we should do it.
>> >>
>> >> Others: are there any plans / ideas for it already?
>> >>
>> >> Cheers
>> >> Christian
>> >>
>> >>
>> >> On Fri, Aug 2, 2013 at 10:52 AM, Simone Tripodi
>> >> <simonetrip...@apache.org> wrote:
>> >>> Hi all mates,
>> >>>
>> >>> I am trying to setup log4j2 configuration programmatically, I defined
>> >>> my version of Configuration:
>> >>>
>> >>>
>> >>
>> +------------------------------------------------------------------------------------------------------------------------------------+
>> >>> class MyLoggingConfiguration
>> >>> extends BaseConfiguration
>> >>> {
>> >>>
>> >>> private final String levelName;
>> >>>
>> >>> private final String pattern;
>> >>>
>> >>> public MyLoggingConfiguration( String levelName, String pattern )
>> >>> {
>> >>> this.levelName = levelName;
>> >>> this.pattern = pattern;
>> >>> }
>> >>>
>> >>> @Override
>> >>> protected void doConfigure()
>> >>> {
>> >>> setName( "my" );
>> >>>
>> >>> Layout<? extends Serializable> layout = createLayout( pattern,
>> >>> null, null, null, null );
>> >>> Appender<? extends Serializable> appender = createAppender(
>> >>> layout, null, "SYSTEM_OUT", "Console", "false", "true" );
>> >>> appender.start();
>> >>> addAppender( appender );
>> >>> getRootLogger().addAppender( appender, null, null );
>> >>>
>> >>> Level level = Level.valueOf( levelName );
>> >>> getRootLogger().setLevel( level );
>> >>> }
>> >>>
>> >>> }
>> >>>
>> >>
>> +------------------------------------------------------------------------------------------------------------------------------------+
>> >>>
>> >>> and ConfigurationFactory:
>> >>>
>> >>>
>> >>
>> +------------------------------------------------------------------------------------------------------------------------------------+
>> >>> class MyConfigurationFactory
>> >>> extends ConfigurationFactory
>> >>> {
>> >>>
>> >>> private final String levelName;
>> >>>
>> >>> private final String pattern;
>> >>>
>> >>> public MyConfigurationFactory( String levelName, String pattern )
>> >>> {
>> >>> this.levelName = levelName;
>> >>> this.pattern = pattern;
>> >>> }
>> >>>
>> >>> @Override
>> >>> protected String[] getSupportedTypes()
>> >>> {
>> >>> return new String[] { "*" };
>> >>> }
>> >>>
>> >>> @Override
>> >>> public Configuration getConfiguration( ConfigurationSource source )
>> >>> {
>> >>> return new MyLoggingConfiguration( levelName, pattern );
>> >>> }
>> >>>
>> >>> }
>> >>>
>> >>
>> +------------------------------------------------------------------------------------------------------------------------------------+
>> >>>
>> >>> then, as specified in the Javadoc, invoke
>> >>> ConfigurationFactory#setConfigurationFactory(new
>> >>> MyConfigurationFactory("INFO", "[%level] %message%n")) before any
>> >>> other calls to Log4j, but when my application starts, an exception is
>> >>> thrown:
>> >>>
>> >>>
>> >>
>> +------------------------------------------------------------------------------------------------------------------------------------+
>> >>> Exception in thread "main" java.lang.NullPointerException: No
>> >>> Configuration was provided
>> >>> at
>> >>
>> org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:323)
>> >>> at
>> >>
>> org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:370)
>> >>> at
>> >>
>> org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:149)
>> >>> at
>> >>
>> org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:85)
>> >>> at
>> >>
>> org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:34)
>> >>> at
>> >> org.apache.logging.log4j.LogManager.getLogger(LogManager.java:364)
>> >>> at
>> >> org.apache.logging.log4j.LogManager.getLogger(LogManager.java:319)
>> >>> ...
>> >>>
>> >>
>> +------------------------------------------------------------------------------------------------------------------------------------+
>> >>>
>> >>> What am I doing wrong?
>> >>> Many thanks in advance, all the best!
>> >>> -Simo
>> >>>
>> >>> http://people.apache.org/~simonetripodi/
>> >>> http://twitter.com/simonetripodi
>> >>>
>> >>> ---------------------------------------------------------------------
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>> >>>
>> >>
>> >>
>> >>
>> >> --
>> >> http://www.grobmeier.de
>> >> https://www.timeandbill.de
>> >>
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>> >>
>> >>
>> >
>> >
>> > --
>> > E-Mail: garydgreg...@gmail.com | ggreg...@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
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>>
>>
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>>
>
>
> --
> E-Mail: garydgreg...@gmail.com | ggreg...@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: garydgreg...@gmail.com | ggreg...@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/
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