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MBeans Descriptors How To

Table of Contents


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.

Adding MBean descriptions

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:

  <mbean         name="LDAPRealm"
          description="Custom LDAPRealm"

    <attribute   name="className"
          description="Fully qualified class name of the managed object"

    <attribute   name="debug"
          description="The debugging detail level for this component"