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From: "Ralph Goers (JIRA)" <jira@apache.org>
To: log4j-dev@logging.apache.org
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Subject: [jira] [Commented] (LOG4J2-952) FAQ: How do I configure log4j2
 programmatically in code without a configuration file?
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    [ https://issues.apache.org/jira/browse/LOG4J2-952?page=3Dcom.atlassian=
.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D1470=
8864#comment-14708864 ]=20

Ralph Goers commented on LOG4J2-952:
------------------------------------

No, it is not in a branch. You should be able to apply the patch to master.=
 Note though that one of the unit test that was recently added is failing e=
ven before applying the patch.

> FAQ: How do I configure log4j2 programmatically in code without a configu=
ration 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.patch
>
>
> I found [this link|http://logging.apache.org/log4j/2.x/faq.html#config_fr=
om_code] which said:
> {quote}
> You could use the static method #initialize(String contextName, ClassLoad=
er loader, String configLocation) in org.apache.logging.log4j.core.config.C=
onfigurator. (You can pass null for the class loader.) Be aware that this c=
lass is not part of the public API so your code may break with any minor re=
lease.
> {quote}
> This documentation is unclear because it points to a member function whic=
h needs a filename {{configLocation}} where as the topic is =C2=BBwithout a=
 configuration file=C2=AB.
> It shoud rather point to the member function {{org.apache.logging.log4j.c=
ore.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 =3D
>         "<?xml version=3D'1.0' encoding=3D'UTF-8'?>\n" +
>         "<Configuration status=3D'INFO'>\n" +
>         "  <Appenders>\n" +
>         "    <Console name=3D'Console' target=3D'SYSTEM_OUT'>\n" +
>         "      <PatternLayout pattern=3D'%d{HH:mm:ss.SSS} [%t] %-5level %=
logger{36} - %msg%n'/>\n" +
>         "    </Console>\n" +
>         "  </Appenders>\n" +
>         "  <Loggers>\n" +
>         "    <Root level=3D'debug'>\n" +
>         "      <AppenderRef ref=3D'Console'/>\n" +
>         "    </Root>\n" +
>         "  </Loggers>\n" +
>         "</Configuration>\n";
> try {
>     Configurator.initialize(null, new ConfigurationSource(new ByteArrayIn=
putStream(hardCodedXmlConfig.getBytes())));
> } catch (IOException e) {
>     e.printStackTrace();
> }
> {code}



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