Add a redirect for /spa and lower required core version

omod/src/main/java/org/openmrs/module/spa/SpaController.java

@@ -7,6 +7,7 @@
 import org.springframework.core.io.Resource;
 import org.springframework.http.CacheControl;
 import org.springframework.http.HttpRequest;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -15,6 +16,7 @@
 
 import javax.servlet.http.HttpServletRequest;
 import java.io.IOException;
+import java.net.URI;
 import java.net.URLConnection;
 import java.nio.file.Files;
 import java.time.Instant;
@@ -105,7 +107,7 @@ public ResponseEntity<Resource> getStaticFile(HttpServletRequest request) {
      * file. Like {@link #getStaticFileWithoutCacheHeaders(String)}, this attempts to force the client to always reload
      * this resource.
      */
-    @RequestMapping({"/**/{filename:.?(?!.*\\.[^.]*$).*$}", "*.html", "*.htm"})
+    @RequestMapping({ "/", "/**/{filename:.?(?!.*\\.[^.]*$).*$}", "*.html", "*.htm"})
     public ResponseEntity<Resource> getSinglePage() {
         Resource resource = resourceLoader.getResource("/index.html");
         if (resource.exists()) {
@@ -118,4 +120,9 @@ public ResponseEntity<Resource> getSinglePage() {
             return ResponseEntity.notFound().build();
         }
     }
+
+    @RequestMapping("")
+    public ResponseEntity<Resource> index(HttpServletRequest request) {
+        return ResponseEntity.status(HttpStatus.MOVED_PERMANENTLY).location(URI.create(request.getContextPath() + "/spa/")).build();
+    }
 }

pom.xml

@@ -33,7 +33,7 @@
 	</modules>
 
 	<properties>
-		<openMRSVersion>2.6.5</openMRSVersion>
+		<openMRSVersion>2.4.1</openMRSVersion>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 	</properties>