# Apache Tomcat 7

Version 7.0.16, Jun 11 2011

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User Guide

- 1) Introduction
- 2) Setup
- 3) First webapp
- 4) Deployer
- 5) Manager
- 6) Realms and AAA
- 7) Security Manager
- 8) JNDI Resources
- 9) JDBC DataSources
- 10) Classloading
- 11) JSPs
- 12) SSL
- 13) SSI
- 14) CGI
- 15) Proxy Support
- 16) MBean Descriptor
- 17) Default Servlet
- 18) Clustering
- 19) Load Balancer
- 20) Connectors
- 21) Monitoring and Management
- 22) Logging
- 23) APR/Native
- 24) Virtual Hosting
- 25) Advanced IO
- 26) Additional Components
- 27) Mavenized
- 28) Security Considerations
- 29) Windows Service
- 30) Windows Authentication

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# MBean Descriptor How To

Table of Contents

> - Introduction
> - Adding MBean descriptions

Introduction

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

> The descriptions of JMX MBeans for Catalina are in the mbeans-descriptor.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 a mbeans-descriptor.xml file, located in the same package as the class files it describes.

>       <mbean         name="LDAPRealm"
>                 className="org.apache.catalina.mbeans.ClassNameMBean"
>               description="Custom LDAPRealm"
>                    domain="Catalina"
>                     group="Realm"
>                      type="com.myfirm.mypackage.LDAPRealm">

>         <attribute   name="className"
>               description="Fully qualified class name of the managed object"
>                      type="java.lang.String"
>                 writeable="false"/>

>         <attribute   name="debug"
>               description="The debugging detail level for this component"
>                      type="int"/>
>         .
>         .
>         .

>       </mbean>

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