2-6 Configuring and Managing JMS for Oracle WebLogic Server
The JMS module conforms to the weblogic-jms.xsd schema, as described in Section 5.2, JMS Schema.
System modules are also accessible through WebLogic Management Extension JMX utilities, as a JMSSystemResourceMBean. The naming
convention for JMS system modules is MyJMSModule-jms.xml. Figure 2–2
shows an example of a JMS system module listing in the domains config.xml file and the module that it maps to in the config\jms directory.
Figure 2–2 Reference from config.xml to a JMS System Module
For more information about configuring JMS system modules, see Section 3,
Configuring Basic JMS System Resources.
2.5.2 JMS Application Modules
JMS configuration resources can also be managed as deployable application modules, similar to standard Java EE descriptor-based modules. JMS Application modules can
be deployed either with a Java EE application as a packaged module, where the resources in the module are optionally made available to only the enclosing
application i.e., application-scoped, or as a standalone module that provides global access to the resources defined in that module.
Application developers typically create application modules in an enterprise-level IDE or another development tool that supports editing XML descriptor files, then package
the JMS modules with an application and pass the application to a WebLogic Administrator to deploy, manage, and tune.
As discussed in Section 2.2, Domain Configuration,
JMS application modules do not contain compiled Java programs as part of the package, enabling administrators or
application developers to create and manage JMS resources on demand. For more information about configuring JMS application modules, see
Chapter 5, Configuring JMS Application Modules for Deployment.
2.5.3 Comparing JMS System Modules and Application Modules
A key to understanding WebLogic JMS configuration and management is that who creates a JMS resource and how a JMS resource is created determines how a resource is
deployed and modified. Both WebLogic administrators and programmers can configure JMS modules:
Understanding JMS Resource Configuration 2-7
In contrast to system modules, deployed application modules are owned by the developer who created and packaged the module, rather than the administrator who
deploys the module, which means the administrator has more limited control over deployed resources. When deploying an application module, an administrator can
change resource properties that were specified in the module, but the administrator cannot add or delete resources. As with other Java EE modules, deployment
configuration changes for a application module are stored in a deployment plan for the module, leaving the original module untouched.
Table 2–1 lists the JMS module types and how they can be configured and modified.
For more information about preparing JMS application modules for deployment, see Chapter 5, Configuring JMS Application Modules for Deployment
and Deploying Applications and Modules with weblogic.deployer in Deploying Applications to Oracle
WebLogic Server.
2.5.4 Configurable JMS Resources in Modules
The following configuration resources are defined as part of a system module or an application module:
■
Queue and topic destinations, as described in Section 3.7, Queue and Topic
Destination Configuration.
■
Connection factories, as described in Section 3.6, Connection Factory
Configuration.
■
Templates, as described in Section 3.8, JMS Template Configuration.
■
Destination keys, as described in Section 3.9, Destination Key Configuration.
■
Quota, as described in Section 3.10, Quota Configuration.
■
Distributed destinations, as described in Section 4.5, Configuring Distributed
Destination Resources.
■
Foreign servers, as described in Section 4.4, Configuring Foreign Server Resources
to Access Third-Party JMS Providers.
■
JMS store-and-forward SAF configuration items, as described in Section 2.6.2,
JMS Store-and-Forward SAF. All other JMS environment-related resources must be configured by the administrator
as domain configuration resources. This includes:
■
JMS servers required, as described in Section 2.4, Overview of JMS Servers.
■
Store-and-Forward agents optional, as described in Section 2.6.2, JMS
Store-and-Forward SAF.
Table 2–1 JMS Module Types and Configuration and Management Options
Module Type
Created With
Dynamically AddRemove
Modules Modify
With JMX Remotely
Modify with Deployment
Tuning Plan non-remote
Modify with Admin
Console
Scoping Default
Sub-module Targeting
System Admin
Console or WLST
Yes Yes
No Yes – via
JMX Global and
local No
Application IDE or
XML editor
No – must be redeployed
No Yes – via
deployment plan
Yes – via deployment
plan Global,
local, and application
Yes
2-8 Configuring and Managing JMS for Oracle WebLogic Server
■
Path service optional, as described in Section 2.6.3, Path Service.
■
Messaging bridges optional, as described in Section 2.6.4, Messaging Bridges.
■
Persistent stores optional, as described in Section 2.6.1, Persistent Stores.
For more information about configuring JMS system modules, see Section 3,
Configuring Basic JMS System Resources.
2.5.5 JMS Schema
