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Oracle GlassFish Server Reference Manual
Release 3.1.2

Part Number E24938-01
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unset-web-env-entry

unsets an environment entry for a deployed web application or module

Synopsis

unset-web-env-entry [--help] --name=env-entry-name application-name[/module]

Description

The unset-web-env-entry subcommand unsets an environment entry for one of the following items:

When an entry is unset, its value reverts to the value, if any, that is set in the application's deployment descriptor.

The application must already be deployed. Otherwise, an error occurs.

The entry must have previously been set by using the set-web-env-entry(1) subcommand. Otherwise, an error occurs.

Note:

Do not use the unset-web-env-entry subcommand to change the value of an environment entry that is set in an application's deployment descriptor. Instead, use the set-web-env-entry subcommand for this purpose.

This subcommand enables you to change the configuration of a deployed application without the need to modify the application's deployment descriptors and repackage and redeploy the application.

This subcommand is supported in remote mode only.

Options

--help
-?

Displays the help text for the subcommand.

--name

The name of the environment entry that is to be unset. The name is a JNDI name relative to the java:comp/env context. The name must be unique within a deployment component. This entry must have previously been set by using the set-web-env-entry subcommand. Otherwise, an error occurs.

Operands

application-name

The name of the application. This name can be obtained from the Administration Console or by using the list-applications(1) subcommand.

The application must already be deployed. Otherwise, an error occurs.

module

The relative path to the module within the application's enterprise archive (EAR) file. The path to the module is specified in the module element of the application's application.xml file.

module is required only if the environment entry applies to a web module of a Java EE application. If specified, module must follow application-name, separated by a slash (/).

For example, the application.xml file for the myApp application might specify the following web module:

<module>
    <web>
        <web-uri>myWebModule.war</web-uri>
    </web>
</module> 

The module would be specified as the operand of this command as myApp/myWebModule.war.

Examples

Example 1   Unsetting an Environment Entry for a Web Application

This example unsets the environment entry Hello User of the web application hello. The entry reverts to the value, if any, that is defined in the application's deployment descriptor.

asadmin> unset-web-env-entry --name="Hello User" hello

Command unset-web-env-entry executed successfully.

Exit Status

0

command executed successfully

1

error in executing the command

See Also

list-applications(1), list-web-env-entry(1), set-web-env-entry(1)

asadmin(1M)