| Name | Description | Type | Package | Framework |
| ApplicationLog4jConfigurationGBean | Class | org.apache.geronimo.system.logging.log4j | Apache Geronimo | |
| CachingLog4jLog | This log wrapper caches the trace, debug and info enabled flags. | Class | org.apache.geronimo.system.logging.log4j | Apache Geronimo |
| Log4jService | A Log4j logging service. | Class | org.apache.geronimo.system.logging.log4j | Apache Geronimo |
| NamedNDC | Provides named nested diagnotic contexts. | Class | org.apache.geronimo.system.logging.log4j | Apache Geronimo |
| NamedNDCConverter | Fields inherited from class org. | Class | org.apache.geronimo.system.logging.log4j | Apache Geronimo |
| NamedNDCFilter | Fields inherited from class org. | Class | org.apache.geronimo.system.logging.log4j | Apache Geronimo |
| PatternLayout | An extension to the standard log4j PatternLayout for printing a NamedNDC. | Class | org.apache.geronimo.system.logging.log4j | Apache Geronimo |
| PatternParser | A simple extension of the log4j pattern parser which adds support for the 'a' letter for a NamedNDC. | Class | org.apache.geronimo.system.logging.log4j | Apache Geronimo |
| SystemLog | Interface | org.apache.geronimo.system.logging | Apache Geronimo | |
| SystemLog .LogMessage | See Also:Serialized FormConstructor SummarySystemLog. | Class | org.apache.geronimo.system.logging.SystemLog | Apache Geronimo |
| SystemLog .SearchResults | See Also:Serialized FormConstructor SummarySystemLog. | Class | org.apache.geronimo.system.logging.SystemLog | Apache Geronimo |
| URLConfigurator | Handles the details of configuring Log4j from a URL. | Class | org.apache.geronimo.system.logging.log4j | Apache Geronimo |
| XLevel | Extention levels for Log4jSee Also:Serialized Form | Class | org.apache.geronimo.system.logging.log4j | Apache Geronimo |