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When you package your application, you might include the deployment plan within the package or not. At deployment time, Geronimo looks for the deployment plan (for example, geronimo-web.xml and deployment descriptor (for example,web.xml, geronimo-application.xml or geronimo-application-client.xml depending on the type of application) in the WEB-INF directory within your packaged application. If Geronimo can not cannot find those information, it will attempt attempts to deploy the application using defaults. If using defaults fails, you will have to either provide a deployment plan repackaged in the application or provide an external deployment plan, in . In the following sections, we will discuss further these alternatives.
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To install a new application via by using the Geronimo Administration Console, the Install New Applications portlet is available by selecting Deployer on the Console Navigation menu on the left hand side. This portlet also allows you to start automatically the application right after it was is deployed.
For this example we will be using the simple JSP HelloWorld sample created in the Quick start - Apache Geronimo for the impatient section. In that section however we used the --inPlace deployment option, in other words we did not need to package the application into a WAR file. To create the WAR file type the following command from the <app_home> directory
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