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karaf-log-appender-example-core
karaf-log-appender-example-features
README.md
pom.xml

README.md

Apache Karaf Pax Logging Appender example

Abstract

This example shows how to register a custom Pax Logging appender. It allows you to receive any log events happening internally in Karaf, and push the content wherever you want. As usual in Apache Karaf, all is dynamic, meaning that you can add or remove Pax Logging appender on the fly.

Artifacts

  • karaf-log-appender-example-core is a bundle registering a PaxAppender service. This service is simple: just display the log message in stdout.
  • karaf-log-appender-example-features contains Karaf features used for deployment

Build

The build uses Apache Maven. Simply use:

mvn clean install

Features and Deployment

On a running Karaf instance, register the features repository:

karaf@root()> feature:repo-add mvn:org.apache.karaf.examples/karaf-log-appender-example-features/4.2.1-SNAPSHOT/xml

Then you can install the log appender feature:

karaf@root()> feature:install karaf-log-appender-example

Usage

Once you have installed the karaf-log-appender-example feature, all log messages will be displayed in stdout (the Apache Karaf shell console).

You can test this behavior by creating a log message using the log:log command:

karaf@root()> log:log Test
INFO - Test