Deploying applications to WildFly Server using Eclipse IDE

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Install Redhat CodeReady Studio

If you installed Redhat CodeReady Studio instead of the official Eclipse IDE, skip this step.

Follow the following steps to install Redhat CodeReady Studio plugin into the existing Eclipse IDE.

1. Open Eclipse Marketplace from Help-> Eclipse Marketplace menu.
2. Click the Redhat icon in the bottom Marketplaces area of Eclipse Marketplace dialog to switch to Redhat marketplace.
3. Select Redhat CodeReady Studio, click the Install button to install it.
4. After it is installed, restart Eclipse IDE to apply the plugin.

Next let’s create a WildFly Server instance.

Add a WildFly Server instance

Right click on the blank area in the Servers view, select New->Server in the context menu.

Expand JBoss Community node in the tree list, select WildFly 18, click Next button.

In the Create a new Server Adapter step, use the default selections, click Next button.

In the JBoss Runtime, select the WildFly server location in your system, click Finish button.

After it is done, there is a WildFly instance in the Servers view.

Start and Stop WildFly server

To start WildFly Server, right click the WildFly node in the Servers view, and click Start in the context menu.

To stop WildFly Server, right click the WildFly node in the Servers view, and click Stop in the context menu.

Deploy and undeploy applications

Ok, let’s try to run the application on WildFly server.

In the Project or Packages view, right click the project node, and click Run As…-> Run on Server.

If the Wildlfy is not started, it will start the server firstly, then build, package and deploy the application into the WildFly Server.

After it is started , open your terminal, try to access the sample endpoint api/greeting/{name} via curl command.

curl http://localhost:8080/jakartaee8-starter/api/greeting/hantsy
{"message":"Say Hello to hantsy at 2019-12-03T16:34:59.095"}

To undeploy the application, just right click the jakartaee8-starter node under the WildFly instance node in the Servers view, and click Remove in the context menu. It will start undeploying the application, you can see the progress in the Console view.

16:36:13,619 INFO  [org.wildfly.extension.undertow] (ServerService Thread Pool -- 8) WFLYUT0022: Unregistered web context: '/jakartaee8-starter' from server 'default-server'
16:36:13,670 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-5) WFLYSRV0028: Stopped deployment jakartaee8-starter.war (runtime-name: jakartaee8-starter.war) in 80ms
16:36:13,758 INFO  [org.jboss.as.server] (DeploymentScanner-threads - 1) WFLYSRV0009: Undeployed "jakartaee8-starter.war" (runtime-name: "jakartaee8-starter.war")