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So far we have seen two ways of defining the context path: The Confusing Case of the context.xml File See "The Confusing Case of the context.xml File" for more information. This information should be defined in files saved under conf/Catalina/localhost/. In this case we have exposed the web app under the /mydemo/version1 context.ĭefining elements in the server.xml file is not considered best practice.
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The path attribute is the one we are most interested in, as it defines the context path of the application. It is relative to the webapps directory, although an absolute path can be used. The docBase attribute is a path to the WAR file or exploded deployment directory. It is possible to configure WAR files or exploded deployment directories by adding a element to the element in the conf/server.xml file. Defining the context path from the server.xml file For example, if you deploy an exploded war to webapps/demo#v1, it will be made available under the demo/v1 context. The same pattern applies to the directories holding exploded deployments. Contexts can be multiple levels deep, so if you deploy a WAR file called demo#v1#myfeature.war it will be made available under the demo/v1/myfeature context. For example, if you deploy a WAR file called demo#v1.war, it will be made available under the demo/v1 context. These are embedded in the WAR filename after a single hash character. Likewise, if you deploy an exploded war to webapps/demo, it will also be made available under the context of demo. When an application is deployed from the webapps directory, it will be made available under a context path that matches the name of the WAR file or the name of the directory under webapps that the exploded deployment was copied to.įor example, if you deploy an WAR file called demo.war, it will be made available under the demo context. Embedding the path in the (exploded) WAR filename See the section "Defining the context in the server.xml file" for an example. If both autoDeploy and deployOnStartup are false, you can deploy applications by manually adding a element inside the element in the conf/server.xml file. In turn, the deployment of applications on startup can be disabled by setting the deployOnStartup attribute on the element to false. In this case, applications will de deployed on startup. The autodeployment of applications can be disabled by setting the autoDeploy attribute on the element to false. If Tomcat is set to autodeploy applications (and it is set to do this by default) then any WAR file or exploded deployment copied into the webapps folder will be deployed automatically while Tomcat is running. The webapps directory is the default deployment location, but this can be configured with the appBase attribute on the element. The webapps directory is where deployed applications reside in Tomcat. This behaviour can be disabled by setting the unpackWARs attribute on the element to false, which stops the WAR file from being unpacked as part of the deployment process.
#Setting up apache tomcat 8 localhost archive
In the screenshot below, you can see that the end result of deploying a file called demo.war is a directory called demo with the context of the demo.war archive extracted into it: This kind of deployment can be very useful during development, as files like HTML pages and CSS files can be edited while the application is deployed and reloaded on the fly.īy default, when you deploy a WAR file to Tomcat, it will be extracted into an exploded deployment for you. This is called an exploded deployment, or an exploded WAR. The second way is to deploy all the individual files that make up a web application. WAR files are convenient because they are a single package that is easy to copy, and the contents of the WAR file are compressed making it quite a compact package.
#Setting up apache tomcat 8 localhost zip
A WAR file is just a ZIP archive with a directory structure that is recognised by Java application servers like Tomcat. There are two ways to deploy Java web applications. We’ll explore how these attributes affect deployments in Tomcat below. The default element in Tomcat 9.01 looks like this: Many of the options available in Tomcat for deploying applications are defined in the element in the config/server.xml file. In this blog post, we’ll explore the options Tomcat provides for deploying web applications and defining their context paths. A simple context path like myapp means the web app can be accessed from a URL like A nested context path like myapp/v1 means the web app can be accessed from a URL like Tomcat provides a number of ways to define the context path of a web app, although the configuration is not quite as straight forward as you might expect. The context path of a web application defines the URL that end users will access the application from.