Deployments throwing java.lang.ClassNotFoundException: java.net.http.HttpClient

Issue

After applying patch 7.2.8, the existing deployments started throwing following exceptions:

 Caused by: java.lang.ClassNotFoundException: java.net.http.HttpClient from [Module "deployment.abc.war" from Service Module Loader]
    at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:255) ~[?:?]
    at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:410) ~[?:?]
    at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398) ~[?:?]
    at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:116) ~[?:?]
    at abc.pqr.xyz.TestClass<init>(TestClass.java:80) ~[classes:?]
    at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?]
    at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:?]
    at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:490) ~[?:?]