Installing & Using Qpid (Java)

Introduction

The information below details how to install and use the main Broker and Client packages.

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• Troubleshooting Guide
• How to Use JNDI
• URL Formats for Qpid
• Example Classes

Minor apologies since these instructions are heavily linux/unix focused. If you have difficulty using our .bat script (see below) please email qpid-users for assistance.

Prerequisites

The Qpid broker requires Java 5 or later to be available. For maximum performance Java 6 is recommended. Note that JDK 5 has a bug which may cause problems, so plase use versions later than 1.5.0_15 !

The Java JMS client can be run using Java 1.4, 5 or 6. Note that the 1.4 client libraries come in a separate package.

Downloading & Installing Qpid

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If you want to use a newer version than an official release then you should check out the code from the Subversion repository and then consult the Build How To page.

Broker Install

Unpack the archive into any directory of your choice e.g c:/qpid

Once unpacked, the package will be installed in a directory with a release label (i.e. qpid-broker-1.0-incubating-M20.5) and the directories underneath should look something like this:

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qpid-server is a bash script which runs the broker on linux/unix. You should set the environment variable QPID_HOME to point at your install path e.g. C:/qpid/qpid-1.0-incubating-M2broker-0.5. This enables the startup script to find default config files in the installed etc directory.

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qpid-server.bat is a dos script which runs the broker on Windows. See note above about QPID_HOME.

create-example-ssl-stores(.sh/.bat) bash shell / dos batch script to create an example SSL keystore and truststore for use by the brokers JMX management connections, which now ship with SSL enabled by default. Either provide your own keystore by modifying the broker configuration, or run the appropriate script from the /etc directory to create example stores to allow initial broker startup. Alternatively you can modify the configuration files in /etc to turn SSL use off.

The other scripts in this directory can be safely ignored for now.

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Contains all the jars used by the broker, mainly in their own subdirectories.

The brokerqpid-launchall.jar contains a manifest file which puts the requisite jars into the classpath for broker startup.

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Contains the config files used by the broker on startup.

/client

This comes with the broker package at the moment and contains the client package. The client can also be downloaded independently. See client section below for details.

/doc

Contains javadoc for the broker.

If running on a unix or linux platform check that the appropriate permissions have been applied to the .sh scripts. If not, then update i.e. chmod 755 *.sh

Environment Variables

Qpid Locations

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QPID_HOME - specifies where your install of Qpid exists, used for broker lookups of files etc
QPID_WORK - defines location of all working files created by the broker including log and db (i.e. BDB if used)
PATH - ensure that the QPID_HOME/bin directory is added to your path so that the server scripts can run

1. First set the QPID_HOME variable to reflect the root of your installation. For example, if you have installed the broker package into a directory <homedir>/broker/qpid-xx then you should set the QPID_HOME variable to <homedir>/broker/qpid-xx.
2. You can also set the QPID_WORK variable in order to control the destination directory for the log dir into which broker logging is generated. For example, if you wish to set the working directory to be <homedir>/working you should set the QPID_WORK directory to be <homedir>/working. Note that the QPID_WORK variable defaults to the current user's home directory if not set.
3. Then set your PATH variable appropriately to include the bin dir

Setting JAVA environment

You must make the JDK available available by setting the JAVA_HOME environment variable and adding the JAVA_HOME/bin directory to your PATH.

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The Qpid scripts set the classpath and other flags required for the broker to run.

Configuration

We ship two example configuration files with the Java broker:

persistent_confgconfig.xml - when you want to use any persistent messages with the Qpid broker (currently with BDB)
transient_config.xml - for transient messaging only

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• Make sure you have set the QPID_HOME variable as specified above, and QPID_WORK if you don't want the default
• Make sure you have provided an SSL keystore for the JMX management connections, or disabled the SSL usage, as detailed above in the 'broker install' section.
• One of the config files (persistent_config.xml or transient_config.xml) supplied in the etc directory one level below your root dir probably doesn't need modification and should be passed in using -c and the path to your config file
• Then run the qpid-server script from the root dir of your install. (The qpid-server script also supports cygwin environments.)

Command Line Arguments

You can get a list of all command line arguments by using the -h argument.

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Checking the broker has started up

Wiki MarkupYou can check that the broker has started up successfully by viewing the output it sends to stdout and looking for the start up port info: 2006-07-06 09:18:24,264 INFO&nbsp; \[main\] server.Main info:

2009-07-15 14:04:49,411 WARN [main] management.JMXManagedObjectRegistry (JMXManagedObjectRegistry.java:187) - Starting JMX ConnectorServer on port '8999' (+9099) with SSL
2009-07-15 14:04:49,842 INFO [main] server.Main (Main.java:181279) - Starting Qpid .AMQP broker 2006Broker 0.5 build: xxxxxxx
2009-07-06 09:18:24,331 INFO&nbsp; \[main\] 15 14:04:49,910 INFO [main] server.Main (Main.java:251387) - Qpid.AMQP listening on non-SSL address 0.0.0.0/0.0.0.0:5672Note that you may have to edit the log4j.xml in the /etc directory to add an appender for the server.Main class to see loggeds output like this on startup.

Running the Qpid Broker on Windows

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So for example:
qpid-server.bat

Getting Help

You can view our FAQ and Troubleshooting Guide for assistance. If you can't find the information that you need there, then email our qpid users list