Use Maven Central repository

frameworks/Java/tapestry/hello/pom.xml

@@ -133,12 +133,19 @@ of testing facilities designed for use with TestNG (http://testng.org/), so it's
 
     <repositories>
 
-        <!-- This repository is only needed when the Tapestry version is a preview release, rather
-             than a final release. -->
         <repository>
-            <id>apache-staging</id>
-            <url>https://repository.apache.org/content/groups/staging/</url>
+            <id>maven-central</id>
+            <url>https://repo1.maven.org/maven2</url>
+            <snapshots>
+              <enabled>false</enabled>
+            </snapshots>
         </repository>
+        <!-- This repository is only needed when the Tapestry version is a preview release, rather
+             than a final release. -->
+<!--         <repository> -->
+<!--             <id>apache-staging</id> -->
+<!--             <url>https://repository.apache.org/content/groups/staging/</url> -->
+<!--         </repository> -->
     </repositories>
 
     <properties>