Tomcat uses JMX MBeans as the technology for implementing manageability of Tomcat.

The descriptions of JMX MBeans for Catalina are in the mbeans-descriptors.xml file in each package.

You will need to add MBean descriptions for your custom components in order to avoid a "ManagedBean is not found" exception.

You may also add MBean descriptions for custom components in an mbeans-descriptors.xml file, located in the same package as the class files it describes.

The permitted syntax for the mbeans-descriptors.xml is defined by the DTD file.

The entries for a custom LDAP authentication Realm may look like this: