Using The ActiveMQ List Command | Apache Karaf Cookbook

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APACHE KARAF COOKBOOK

By : Nierbeck, Jamie Goodyear

3.8 (4) Buy this Book

APACHE KARAF COOKBOOK

3.8 (4)

By: Nierbeck, Jamie Goodyear

Buy this Book

Overview of this book

This book is intended for developers who have some familiarity with Apache Karaf and who want a quick reference for practical, proven tips on how to perform common tasks such as configuring Pax modules deployed in Apache Karaf, Extending HttpService with Apache Karaf. You should have working knowledge of Apache karaf, as the book provides a deeper understanding of the capabilities of Apache Karaf. Table of Contents (12 chapters) Preface Preface What this book covers What you need for this book Who this book is for Conventions Reader feedback Customer support Free Chapter 1 1. Apache Karaf for System Builders 1. Apache Karaf for System Builders Introduction Configuring production-ready logging in Apache Karaf Creating our own custom Karaf command using a Maven archetype Branding the Apache Karaf console Deploying applications as a feature Using JMX to monitor and administer Apache Karaf Reconfiguring SSH access to Apache Karaf Installing Apache Karaf as a service Setting up Apache Karaf for high availability 2 2. Making Smart Routers with Apache Camel 2. Making Smart Routers with Apache Camel Introduction Installing Apache Camel modules into Apache Karaf Listing Camel Contexts in Karaf Displaying Camel Context information in Karaf Starting and stopping Camel Contexts in Karaf Listing routes in Karaf Displaying route information in Karaf Starting, stopping, suspending, and resuming routes in Karaf Listing endpoints in Karaf Making a pure Java-based Camel Router for deployment in Karaf Creating a Blueprint-based Camel Router for deployment in Karaf Adding Configuration Admin to a Blueprint-based Camel Router Creating a managed service factory implementation of a Camel Router 3 3. Deploying a Message Broker with Apache ActiveMQ 3. Deploying a Message Broker with Apache ActiveMQ Introduction Installing Apache ActiveMQ modules into Apache Karaf Using the ActiveMQ query command Using the ActiveMQ list command Using the ActiveMQ dstat command Using the ActiveMQ purge command Using the JMS connection factory commands Using the JMS send command Using the JMS browse command Configuring and deploying a master/slave broker with Apache Karaf Configuring and deploying a Network of Brokers with Apache Karaf 4 4. Hosting a Web Server with Pax Web 4. Hosting a Web Server with Pax Web Introduction Installing Pax modules in Apache Karaf Installing extended Http Service in Apache Karaf Configuring Pax Web modules deployed in Apache Karaf Building a Http Service project to host in Apache Karaf Building a Http Service with the Whiteboard pattern in Apache Karaf Building an application with custom HttpContext with Apache Karaf Building a standard web project to host in Apache Karaf Configuring security for a web application in Apache Karaf Binding a web project to a specific host in Apache Karaf Building a Servlet 3.0 annotated web application with Apache Karaf Creating a CDI web application with Apache Karaf 5 5. Hosting Web Services with Apache CXF 5. Hosting Web Services with Apache CXF Introduction Installing Apache CXF modules in Apache Karaf Using the CXF list-endpoints command Using the CXF stop and start commands Building and deploying a RESTful service in Karaf Building and deploying a Camel CXF web service in Karaf 6 6. Distributing a Clustered Container with Apache Karaf Cellar 6. Distributing a Clustered Container with Apache Karaf Cellar Introduction Installing Apache Karaf Cellar modules in Apache Karaf Using Apache Karaf Cellar commands Building and deploying a distributed architecture with Cellar 7 7. Providing a Persistence Layer with Apache Aries and OpenJPA 7. Providing a Persistence Layer with Apache Aries and OpenJPA Introduction Installing OpenJPA modules in Apache Karaf Installing Apache Aries JTA modules in Apache Karaf Building a project with a persistence layer for deployment in Karaf Building a project with a persistence layer and transaction support for deployment in Karaf 8 8. Providing a Big Data Integration Layer with Apache Cassandra 8. Providing a Big Data Integration Layer with Apache Cassandra Introduction Installing Cassandra client bundles in Apache Karaf Modeling data with Apache Cassandra Building a project with a persistence layer for deployment in Karaf 9 9. Providing a Big Data Integration Layer with Apache Hadoop 9. Providing a Big Data Integration Layer with Apache Hadoop Introduction Starting a standalone Hadoop cluster Installing Hadoop client bundles in Apache Karaf Accessing Apache Hadoop from Karaf Adding commands that talk to HDFS for deployment in Karaf 10 10. Testing Apache Karaf with Pax Exam 10. Testing Apache Karaf with Pax Exam Introduction Setting up a Pax Exam test environment Testing Apache Karaf features Testing commands with Apache Karaf Coverage with Apache Karaf Pax Exam tests Testing Apache Camel with Blueprint and Apache Karaf 11 Index Index

Using the ActiveMQ list command

The list command can be used to list out the brokers currently running inside the Karaf container.

Getting ready

In order to get started, we need to get the activemq-broker feature installed. Reference the activemq:query command, as shown in the following screenshot:

How to do it…

To list out all brokers currently running embedded inside this instance of Karaf, we can simply run the following command:

karaf@root()> activemq:list

This will list out the embedded broker names as follows:

brokerName = amq-broker

How it works…

This activemq command will invoke the JmxMBeansUtil.getAllBrokers class on the JMX connection and retrieve the name of any broker currently running.

See also

• The Using the ActiveMQ query command recipe

• The Using the ActiveMQ dstat command recipe

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