Application server settings

Use this page to view or change the settings of an application server instance. An application server is a server which provides services required to run enterprise applications.

To view this administrative console page, click Servers > Application servers > server_name.

On the Configuration tab, you can edit fields. On the Runtime tab, you can look at read-only information. The Runtime tab is available only when the server is running.

Access to internal server classes

Specifies whether the server can run in Restrict or Allow mode.

The Restrict mode is a diagnostic mode that you can use to help determine the suitability of applications for migration. This mode determines whether internal application server classes are accessed. The use of these internal classes might preclude the successful operation of these applications in future releases. However, the Restrict mode is not intended to exclude all classes that might change from general use as certain classes cannot be restricted to enable the proper operation of the application server. The Restrict mode is not intended to provide complete isolation between an application and application server internal classes. Do not use the Restrict mode in a production runtime environment; use the results for guidance only.

The default value for this property is Allow.

Configuration tab

Name

Specifies a logical name for the server. Server names must be unique within a node. However, for multiple nodes within a cluster, you may have different servers with the same server name as long as the server and node pair are unique. You cannot change the value that displays in this field.

For example, a server named server1 in a node named node1 in the same cluster with a server named server1 in a node named node2 is allowed. Configuring two servers named server1 in the same node is not allowed. WebSphere Application Server uses the server name for administrative actions, such as referencing the server in scripting.

Data type String
Default server1

Parallel start

Select this field to start the server on multiple threads. This might shorten the startup time.

Specifies that you want the server components, services, and applications to start in parallel rather than sequentially.

The default setting for this option is true, which indicates that the server be started using multiple threads. Setting this option to false specifies that the server will not be started in using multiple threads (which may lengthen startup time).

Note that the order in which the applications start depends on the weights you assigned to them. Applications that have the same weight start in parallel.

To set an application's weight, in the administrative console, click Applications > Enterprise Applications > application_name > Startup behavior, and then specify an appropriate value in the Startup order field. The more important an application is, the lower the startup order value should be. For example, you might specify a startup order value of 1 for your most important application, and a value of 2 for the next most important application. You might then specify a startup order of 3 for the next four applications because you want all four of those applications to start in parallel.

Data type Integer
Default 1
Range 0 - 2147483647

Class loader policy

Select whether there is a single class loader to load all applications or a different class loader for each application.

Class loading mode

Specifies whether the class loader should search in the parent class loader or in the application class loader first to load a class. The standard for Developer Kit class loaders and WebSphere Application Server class loaders is Parent first.

This field only applies if you set the Class loader policy field to single.

If you select Parent last, your application can override classes contained in the parent class loader, but this action can potentially result in ClassCastException or linkage errors if you have mixed use of overridden classes and non-overridden classes.

Initial State

Specifies the initial state of the application server.

The default setting for this option is Started.
Important: Don't set the initial state to Stopped. Application server services may not operate correctly.

Runtime tab

Process ID

The native operating system's process ID for this server.

The process ID property is read only. The system automatically generates the value.

Cell name

The name of the cell in which this server is running.

The Cell name property is read only.

Node name

The name of the node in which this server is running.

The Node name property is read only.

State

The run-time execution state for this server.

The State property is read only.

Product information

This link under Additional properties, displays the product information for your installation of the product. This information includes the product name, ID, version, build date, and build level.

From the Product Information page, you can click on the following links for additional product information:
  • Components, for a list of all of the components that are installed.
  • e-Fixes, for a list of all of the service updates that are installed.
  • Extensions, for a list of the extensions that are installed.
  • History report, for a detailed report of all installation events that have occurred since the product was installed, such as the installation of a specific service level.
  • Product report, for a detailed report of the versions of the product that are installed.
  • PTFs, for a list of all of PTFs that are installed.



Subtopics
Thread pool collection
Related concepts
Class loaders
Related tasks
Administering application servers
Related reference
Object names: What the name string cannot contain
Administration service settings
Class loader collection
Enterprise application collection
Enterprise application settings
Custom service collection
Debugging Service details
EJB container settings
IBM service log settings
Log and trace settings
Message listener port collection
Object Request Broker service settings
Performance Monitoring Infrastructure settings
Process definition settings
Java virtual machine settings
Diagnostic trace service settings
Transaction service settings
Web container settings
Administrative console buttons
Startup behavior settings
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