Maven Update

Updated Maven Wrapper to 3.2.0
Updated Maven to 3.9.5
Minor fixes preparing for Java 21

.mvn/wrapper/maven-wrapper.properties

@@ -14,5 +14,5 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.1/apache-maven-3.8.1-bin.zip
-wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.1/maven-wrapper-3.1.1.jar
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.5/apache-maven-3.9.5-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar

src/main/java/com/l2jserver/gameserver/config/IPConfigData.java

@@ -26,10 +26,9 @@ import java.net.Inet6Address;
 import java.net.InterfaceAddress;
 import java.net.NetworkInterface;
 import java.net.SocketException;
-import java.net.URL;
+import java.net.URI;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Enumeration;
 import java.util.List;
 import java.util.stream.IntStream;
 
@@ -106,8 +105,8 @@ public class IPConfigData implements IXmlReader {
 	protected void autoIpConfig() {
 		String externalIp;
 		try {
-			URL autoIp = new URL("http://ip1.dynupdate.no-ip.com:8245/");
-			try (BufferedReader in = new BufferedReader(new InputStreamReader(autoIp.openStream()))) {
+			final var autoIp = URI.create("http://ip1.dynupdate.no-ip.com:8245/").toURL();
+			try (var in = new BufferedReader(new InputStreamReader(autoIp.openStream()))) {
 				externalIp = in.readLine();
 			}
 		} catch (IOException ex) {
@@ -116,11 +115,9 @@ public class IPConfigData implements IXmlReader {
 		}
 		
 		try {
-			Enumeration<NetworkInterface> niList = NetworkInterface.getNetworkInterfaces();
-			
+			final var niList = NetworkInterface.getNetworkInterfaces();
 			while (niList.hasMoreElements()) {
-				NetworkInterface ni = niList.nextElement();
-				
+				final var ni = niList.nextElement();
 				if (!ni.isUp() || ni.isVirtual()) {
 					continue;
 				}

src/main/java/com/l2jserver/gameserver/taskmanager/tasks/TaskCleanUp.java

@@ -35,7 +35,6 @@ public final class TaskCleanUp extends Task {
 	
 	@Override
 	public void onTimeElapsed(ExecutedTask task) {
-		System.runFinalization();
 		System.gc();
 	}
 }