Need Help: GWT 2.12 Migration + gwtrpc-spring-1.02 Compatibility Issue

We're currently migrating our legacy project from GWT 2.8.1 to GWT 2.12.0 to be compatible with JDK 17 and modern tooling. As part of this upgrade, we've updated the dependency from:

<dependency>
    <groupId>org.gwtrpcspring</groupId>
    <artifactId>gwtrpc-spring</artifactId>
    <version>1.01</version>
</dependency>

To :

<dependency>
    <groupId>org.gwtrpcspring</groupId>
    <artifactId>gwtrpc-spring</artifactId>
    <version>1.02</version>
</dependency>

We're facing the following challenges:

• Deployment fails in WildFly 33, throwing NoClassDefFoundError for javax.servlet.http.HttpServlet, which seems to originate from RemoteServiceServlet in the GWT RPC stack.

• The artifact gwtrpc-spring:1.02 isn't resolving from Maven Central, and the old configured repo http://www.mvnsearch.org/maven2/ is timing out.

• We're unsure if gwtrpc-spring 1.02 is compatible with GWT 2.12 and Jakarta EE 9+ (jakarta.servlet) changes.

📌 Has anyone successfully used gwtrpc-spring with GWT 2.12 and JDK 17?
📌 Any fork or alternative for gwtrpc-spring compatible with modern GWT and WildFly?
📌 Suggestions on resolving servlet dependencies (HttpServlet) when deploying in WildFly 33?

Any help, pointers, or even working examples would be greatly appreciated! 🙏

Thanks in advance!
— Arpan

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