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.
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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> >>> For additional commands, e-mail: log4j-user-h...@logging.apache.org
> >>>
> >>
> >>
> >>
> >> --
> >> 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/>
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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/>
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