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https://issues.apache.org/jira/browse/LOG4J2-952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14721611#comment-14721611
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Ralph Goers edited comment on LOG4J2-952 at 8/30/15 6:12 PM:
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After writing the unit test for Configurator now I am not so sure whether that
is true. The configuration is being passed in to the LoggerContextFactory and
being used instead of going through the ConfigurationFactory - so that should
avoid the error.
I agree the message should not be an error (I guess this is a carryover from
log4j 1). If would suggest that we change it to warn and if we want it
configurable that the configuration just to be to disable the message.
was (Author: [email protected]):
After writing the unit test for Configurator now I am not so sure whether that
is true. The configuration is being passed in to the LoggerContextFactory and
being used instead of going through the ConfigurationFactory - so that should
avoid the error.
> FAQ: How do I configure log4j2 programmatically in code without a
> configuration file?
> -------------------------------------------------------------------------------------
>
> Key: LOG4J2-952
> URL: https://issues.apache.org/jira/browse/LOG4J2-952
> Project: Log4j 2
> Issue Type: Bug
> Components: API, Configurators, Documentation
> Affects Versions: 2.1
> Reporter: Joe Merten
> Attachments: LOG4J2-952-2.patch, LOG4J2-952-3.patch,
> LOG4J2-952-4.patch, LOG4J2-952.patch
>
>
> I found [this
> link|http://logging.apache.org/log4j/2.x/faq.html#config_from_code] which
> said:
> {quote}
> You could use the static method #initialize(String contextName, ClassLoader
> loader, String configLocation) in
> org.apache.logging.log4j.core.config.Configurator. (You can pass null for the
> class loader.) Be aware that this class is not part of the public API so your
> code may break with any minor release.
> {quote}
> This documentation is unclear because it points to a member function which
> needs a filename {{configLocation}} where as the topic is »without a
> configuration file«.
> It shoud rather point to the member function
> {{org.apache.logging.log4j.core.config.Configurator.initialize(ClassLoader
> loader, ConfigurationSource source)}}.
> Example:
> {code:java}
> import org.apache.logging.log4j.core.config.ConfigurationSource;
> import org.apache.logging.log4j.core.config.Configurator;
> final String hardCodedXmlConfig =
> "<?xml version='1.0' encoding='UTF-8'?>\n" +
> "<Configuration status='INFO'>\n" +
> " <Appenders>\n" +
> " <Console name='Console' target='SYSTEM_OUT'>\n" +
> " <PatternLayout pattern='%d{HH:mm:ss.SSS} [%t] %-5level
> %logger{36} - %msg%n'/>\n" +
> " </Console>\n" +
> " </Appenders>\n" +
> " <Loggers>\n" +
> " <Root level='debug'>\n" +
> " <AppenderRef ref='Console'/>\n" +
> " </Root>\n" +
> " </Loggers>\n" +
> "</Configuration>\n";
> try {
> Configurator.initialize(null, new ConfigurationSource(new
> ByteArrayInputStream(hardCodedXmlConfig.getBytes())));
> } catch (IOException e) {
> e.printStackTrace();
> }
> {code}
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