Using Environment Variables in Standalone.xml in WildFly application

[Stan Smith]

Hello!

I am having trouble getting environment variables to resolve On a Linux VM when I start up a WildFly java application.

<system-properties>

        <property name="java.util.logging.manager" value="org.jboss.logmanager.LogManager"/>

        <property name="appname.url" value="https://${env.Environment}/appname"/>

</system-properties>

When I echo that environment variable (defined in /etc/environment) I get the following:

[ ~ ]$ echo $Environment

tst

Starting the application using it's service (i.e., systemctl restart appname) throws errors in the logs like this:

ESC[0mESC[31m09:11:37,203 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) WFLYCTL0013: Operation ("add") failed - address: ([("system-property" => "appname.url")]) - failure description: "WFLYCTL0211: Cannot resolve expression 'https://${env.Environment}/appname'"

I've tried updating the standalone.xml to have this these two properties set to true:

<subsystem xmlns="urn:jboss:domain:ee:4.0">

            <spec-descriptor-property-replacement>true</spec-descriptor-property-replacement>

            <jboss-descriptor-property-replacement>true</jboss-descriptor-property-replacement>

Also tried updating bin/jboss-cli.xml with this setting set to true:

<resolve-parameter-values>true</resolve-parameter-values>

Unfortunately, this does not resolve my issue. Any ideas?

Thanks!

[Stan Smith]

Was able to sort this out! Answer is on stackoverflow - https://stackoverflow.com/a/73989867/2600073.