<!-- (And we might as well exclude DummyJavadocClass 3 times (though it would be harmless to include).) -->
                <!-- 1. Don't compile it (since that requires a *non-test* dep on gwt-user. -->
                <exclude>**/ForceGuavaCompilation*</exclude>
                <exclude>**/DummyJavadocClass*</exclude>
              </excludes>
            </configuration>
          </execution>

        handler -->> client: HTTP error response
        dep -->> dep: Raise other exception
    end
    dep ->> operation: Run dependency, e.g. DB session
    opt raise
        operation -->> dep: Raise HTTPException
        dep -->> handler: Auto forward exception
        handler -->> client: HTTP error response
        operation -->> dep: Raise other exception
        dep -->> handler: Auto forward exception
    end