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Oracle® Fusion Middleware Creating Domains Using the Configuration Wizard
11g Release 1 (10.3.6)

Part Number E14140-06
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3 Extending WebLogic Domains

This chapter describes how to use the Configuration Wizard to extend a WebLogic domain. It also describes how to update startup scripts on remote servers.

You can add product component functionality or additional applications and services to an existing WebLogic domain by extending it using the Configuration Wizard. For example, if you created a base WebLogic domain and you want to add the Avitek Medical Records Examples functionality, you can extend the domain by using the medrec.jar template.

The Configuration Wizard simplifies the task of extending an existing WebLogic domain by using extension templates. Oracle provides various sample extension templates, as well as extension templates for various Fusion Middleware products. You can also create your own extension templates using WLST or the unpack command.

For information about extension templates provided by Oracle, see the Domain Template Reference.

This chapter contains the following sections:

Before You Begin

Prior to running the Configuration Wizard to update a domain on a UNIX or Linux operating system, if you have not already done so, set the CONFIG_JVM_ARGS environment variable to the following value:

-Djava.security.egd=file:/dev/./urandom

This decreases the amount of time it takes for the Configuration Wizard to create or update a domain.

Domain Extension Process

To extend a WebLogic domain, select the domain to extend and then select one or more additional product components. Alternatively, you can extend an existing domain by specifying an extension template JAR file that includes additional applications and services. You can also customize the JDBC connections and change the JMS file store. The Configuration Wizard uses your input to update the configuration files, such as config.xml, and all other generated components in the domain directory, as required.

Figure 3-1 summarizes the steps for extending a WebLogic domain by using the Configuration Wizard. The steps indicated in boxes with dashed lines are relevant only when you extend domains to include specific products, such as those that use RCU and those that require JDBC data sources.

Figure 3-1 Extending a WebLogic Domain

Steps to extend a domain
Description of "Figure 3-1 Extending a WebLogic Domain"

Extending a WebLogic Domain in Graphical Mode

To extend a new WebLogic Domain by using the Configuration Wizard in graphical mode, start the Configuration Wizard as described in Starting the Configuration Wizard in Graphical Mode.

Note:

In situations where you cannot run the Configuration Wizard in GUI mode, Oracle recommends that you use a WLST script to create or extend a domain. For more information, see "Creating and Using a Domain Template (Offline)" in Oracle WebLogic Scripting Tool.

The Configuration Wizard displays a sequence of screens, in the order listed in Table 3-1. For more information on each screen, refer to the related section in Chapter 4, "Configuration Wizard Screens," or click the link in the Screen column.

Table 3-1 Configuration Screens for Extending an Existing WebLogic Domain

No. Screen When Does This Screen Appear? Perform the Following Action

1

Welcome

Always

Select Extend an existing WebLogic domain.

Click Next to continue.

2

Select a WebLogic Domain Directory

Always

Select a valid domain directory.

Click Next to continue.

3

Select Extension Source

Always

Do one of the following:

  • Select Extend domain automatically to support the following added products, and then select the check box for each new product to include in the domain.

  • Select Extend my domain using an existing extension template, and then use the Browse button to locate the template on your local drive or network.

Click Next to continue.

4-6

Schema configuration

Only if the selected products or template includes components (such as SOA) that require the use of the Oracle Fusion Middleware Repository Creation Utility (RCU) to load database schemas

See Configuring Schemas, for information about these screens.

7-10

Data source configuration

Only if the selected products or template includes components that require JDBC data sources or Oracle RAC multi data sources

See Configuring Data Sources, for information about these screens.

11

Configure Keystore Credentials

Only if the selected products or template includes a product that requires a keystore password

For each set of password fields, enter and confirm the password you want to use for the keystore.

Click Next to continue.

12

Select Optional Configuration

Always

Select the check box for each category (if any) for which you want to perform advanced configuration tasks

The available check boxes depend on the resources that are configured in the selected products or template.

Note: When extending a domain, the you cannot change the Administration Server or RDBMS security store configurations. Therefore, these options are not available.

Click Next to continue.

13

Select JMS Distributed Destination Type

Only if you selected JMS Distributed Destination on the Select Optional Configuration screen

For each JMS system resource, select the distributed destination type.

Click Next to continue.

14

Configure Managed Servers

Only if you selected Managed Servers, Clusters, and Machines on the Select Optional Configuration screen

Add, delete, or reconfigure Managed Servers as needed.

Click Next to continue.

15

Configure Clusters

Only if you selected Managed Servers, Clusters, and Machines on the Select Optional Configuration screen

Add, delete, or reconfigure clusters as needed.

Click Next to continue.

16

Assign Servers to Clusters

Only if you selected Managed Servers, Clusters, and Machines on the Select Optional Configuration screen, and your domain includes at least one cluster

Add servers to or remove servers from the clusters in your domain.

Click Next to continue.

17

Create HTTP Proxy Applications

Only if you selected Managed Servers, Clusters, and Machines on the Select Optional Configuration screen, and your domain includes at least one cluster, and at least one Managed Server that is not assigned to a cluster

For each cluster, specify whether or not you want to create an HTTP proxy application for the cluster. If you select the Create HTTP Proxy check box for a cluster, select the proxy server to use for that cluster. a

Click Next to continue.

18

Configure Machines

Only if you selected Managed Servers, Clusters, and Machines on the Select Optional Configuration screen.

Add, delete, or reconfigure machines as needed.

Click Next to continue.

19

Assign Servers to Machines

Only if you selected Managed Servers, Clusters, and Machines on the Select Optional Configuration screen, and there is at least on machine configured in the domain

Assign the Administration Server and Managed Servers to the appropriate machines.

Click Next to continue.

20

Target Deployments to Clusters or Servers

Only if you selected Deployments and Services on the Select Optional Configuration screen, and a selected product or template contains Java EE applications or libraries

Select the target server or cluster on which you want to deploy applications or libraries.

Select the check box for each application or library you want to deploy on the selected target.

Click Next to continue.

21

Target Services to Clusters or Servers

Only if you selected Deployments and Services on the Select Optional Configuration screen

Select the target server or cluster.

Select the check box for each service you want to target to it.

Click Next to continue.

22

Configure JMS File Stores

Only if you selected JMS File Store on the Select Optional Configuration screen

Change the settings for each JMS file store as needed, and select the synchronous write policy for each file store.

Click Next to continue.

24

Configuration Summary

Always

Review the configuration for your domain by selecting a Summary View, and then selecting individual items in the list for that view.

If the domain is configured as you want it, click Extend to extend the domain.

If you need to make changes to the configuration, click Previous to return to the appropriate screen for the settings you want to change.

25

Extending Domain

Always

Shows the progress of the domain creation.

When the process completes, click Done.


Updating Startup Scripts on Remote Servers

When you extend a WebLogic domain in which the Managed Servers are distributed (by using the pack and unpack commands) to remote machines, the startup scripts on the remote machines are not updated automatically.

To ensure that startup scripts on the remote machines are updated, perform the following steps after extending the domain:

  1. Delete the Managed Server directories on the remote machines.

  2. Create a Managed Server template from the extended domain, by using the pack command with the -managed=true option.

  3. Create Managed Servers on the remote machines, by using the unpack command to unpack the Managed Server template.

For more information about the pack and unpack commands, see Creating Templates and Domains Using the Pack and Unpack Commands.