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Chapter 17. Apache CXF Logging


This chapter describes how to configure logging in the Apache CXF runtime.

17.1. Overview of Apache CXF Logging


Apache CXF uses the Java logging utility, java.util.logging. Logging is configured in a logging configuration file that is written using the standard java.util.Properties format. To run logging on an application, you can specify logging programmatically or by defining a property at the command that points to the logging configuration file when you start the application.

Default properties file

Apache CXF comes with a default file, which is located in your InstallDir/etc directory. This file configures both the output destination for the log messages and the message level that is published. The default configuration sets the loggers to print message flagged with the WARNING level to the console. You can either use the default file without changing any of the configuration settings or you can change the configuration settings to suit your specific application.

Logging feature

Apache CXF includes a logging feature that can be plugged into your client or your service to enable logging. Example 17.1, “Configuration for Enabling Logging” shows the configuration to enable the logging feature.

Example 17.1. Configuration for Enabling Logging

    <bean class="org.apache.cxf.feature.LoggingFeature"/>

Where to begin?

To run a simple example of logging follow the instructions outlined in a Section 17.2, “Simple Example of Using Logging”.
For more information on how logging works in Apache CXF, read this entire chapter.

More information on java.util.logging

The java.util.logging utility is one of the most widely used Java logging frameworks. There is a lot of information available online that describes how to use and extend this framework. As a starting point, however, the following documents gives a good overview of java.util.logging: