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Editing the WAR Context Root
Properties 
Before you start the deployment process for a WAR component, it is obligatory that you set its context root property. After the WAR component is deployed, you can no longer modify its context root property.
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1. On the Deployer tab, choose the EAR the Web component belongs to.
2. Specify the context root in the Descriptor ® Context tab. For more information, see Application Deployment Properties Management.
3. Save your entries.
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1. On the Deployer tab, choose the Web module loaded as a J2EE component archive. For more information, see Loading a J2EE Application Component.
2. Choose Deploy ® Properties ® Deployment Properties tab.
3. As the Key enter WEB:<name_of_the_WAR>.
4. As the Value enter the WAR context root, which must be part of the URL in order to access the Web application.
5. Choose Add and then OK.
6. Save your entries.
