prog: fixed error in Creating Jar File

Author: vimalyad

pom.xml

@@ -34,15 +34,24 @@
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <version>3.2.0</version>
-                <configuration>
-                    <archive>
-                        <manifest>
-                            <mainClass>server.Main</mainClass>
-                        </manifest>
-                    </archive>
-                </configuration>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.2.4</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <transformers>
+                                <transformer
+                                        implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <mainClass>Main</mainClass>
+                                </transformer>
+                            </transformers>
+                        </configuration>
+                    </execution>
+                </executions>
             </plugin>
         </plugins>
     </build>