### The Logger Namespace Hierarchy

The Application Server provides a logger for each of its modules. The following table lists the names of the modules and the namespace for each logger in alphabetical order, as they appear on the Log Levels page. (see To configure log levels). The last three modules in the table do not appear on the Log Levels page.

Table 2 Application Server Logger Namespaces

Module Name | Namespace
--- | ---
Admin | `javax.enterprise.system.tools.admin`
Classloader | `javax.enterprise.system.core.classloading`
Configuration | `javax.enterprise.system.core.config`
Connector | `javax.enterprise.resource.resourceadapter`
CORBA | `javax.enterprise.resource.corba`
Deployment | `javax.enterprise.system.tools.deployment`
EJB Container | `javax.enterprise.system.container.ejb`
JavaMail | `javax.enterprise.resource.javamail`
JAXR | `javax.enterprise.resource.webservices.registry`
JAXRPC | `javax.enterprise.resource.webservices.rpc`
JMS | `javax.enterprise.resource.jms`
JTA | `javax.enterprise.resource.jta`
JTS | `javax.enterprise.system.core.transaction`
MDB Container | `javax.enterprise.system.container.ejb.mdb`
Naming | `javax.enterprise.system.core.naming`
Persistence | `oracle.toplink.essentials`, `javax.enterprise.resource.jdo`, `javax.enterprise.system.container.cmp`
Node Agent (Enterprise Edition only) | `javax.ee.enterprise.system.nodeagent`
Root | `javax.enterprise`
SAAJ | `javax.enterprise.resource.webservices.saaj`
Security | `javax.enterprise.system.core.security`
Self Management | `javax.enterprise.system.core.selfmanagement`
Server | `javax.enterprise.system`
Synchronization (Enterprise Edition only) | `javax.ee.enterprise.system.tools.synchronization`
Util | `javax.enterprise.system.util`
Verifier | `javax.enterprise.system.tools.verifier`
Web Container | `javax.enterprise.system.container.web`
Core | `javax.enterprise.system.core`
System Output (`System.out.println`) | `javax.enterprise.system.stream.out`
System Error (`System.err.println`) | `javax.enterprise.system.stream.err`

See Also:

- To configure log levels

- To view the server log